Tetsuji Okuda

J-GLOBAL         Last updated: Aug 12, 2019 at 14:50
 
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Name
Tetsuji Okuda
E-mail
okudarins.ryukoku.ac.jp
Affiliation
Ryukoku University
Section
Faculty of Science and Technology,Department of Environmental Solution Technology
Job title
Associate Professor

Research Areas

 
 

Academic & Professional Experience

 
 
   
 
Ryukoku University Faculty of Science and Technology
 
Apr 2004
 - 
Mar 2016
Assistant professor, ERMC, Hiroshima university
 
Oct 2001
 - 
Mar 2004
Assistant professor, Engineering, Hirohima university
 
Dec 2000
 - 
Sep 2001
Researcher, KIST
 

Education

 
Apr 1998
 - 
Oct 2000
Doctral cource, Engineering, Hiroshima university
 

Awards & Honors

 
Nov 2015
Phoenix Outstanding Researcher Award, 広島大学
 
Oct 2015
研究奨励賞, 日本水環境学会 中国・四国支部
 
Sep 2015
第26回廃棄物資源循環学会研究発表会 優秀ポスター賞, 廃棄物資源循環学会
 
Apr 2015
奨励賞, 廃棄物資源循環学会
 
Dec 2014
教育顕彰, 広島大学大学院工学研究科
 
Oct 2013
優秀賞, 瀬戸内海研究フォーラムin山口
 
May 2012
論文奨励賞, 日本オゾン協会
 
Oct 2010
リサイクル技術開発本多賞, クリーン・ジャパン・センター
 
May 2008
論文賞, 日本オゾン協会
 
May 2007
論文奨励賞, 日本オゾン協会
 

Published Papers

 
Long-term pilot plant study using direct chlorination for biofouling control of a chlorine-resistant polyamide reverse osmosis membrane
Cervinia Manalo, Masaki Ohno, Sunao Nishimoto, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
Desalination and water treatment   138 57-67   Jan 2019   [Refereed]
Akira Umehara, Satoshi Asaoka, Naoki Fujii, Sosuke Otani, Hironori Yamamoto, Satoshi Nakai, Tetsuji Okuda, Wataru Nishijima
Aquaculture   495 311-319   Oct 2018   [Refereed]
© 2018 Elsevier B.V. Enclosed seas are suitable for bivalve farming due to high primary production, which provides food sources. The impact of oyster farming on the biological productivity of lower trophic levels was evaluated in Hiroshima Bay. Th...
Nishikiori Ryo, Sawajiri Masahiko, Okuda Tetsuji, Otoshi Atsunori, Watanabe Kotaro, Hirata Isao, Nishijima Wataru, Okazaki Masayuki
DENTAL MATERIALS JOURNAL   37(5) 740-745   Oct 2018   [Refereed]
Ronald Katalo, Tetsuji Okuda, Long D. Nghiem, Takahiro Fujioka
Environmental Science: Water Research and Technology   4 1604-1611   Oct 2018
© The Royal Society of Chemistry. Coagulation using Moringa oleifera (MO), a natural coagulant, is an attractive approach in drinking water treatment to break away from conventional chemical coagulation using aluminium or iron salts. This study ai...
Satoshi Nakai, Youhei Soga, Satoshi Sekito, Akira Umehara, Tetsuji Okuda, Masaki Ohno, Wataru Nishijima, Satoshi Asaoka
Water Policy   20(4) 855-870   Aug 2018   [Refereed]
Satoshi Asaoka, Akira Umehara, Sosuke Otani, Naoki Fujii, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima, Koji Takeuchi, Hiroshi Shibata, Waqar Azeem Jadoon, Shinjiro Hayakawa
Marine Pollution Bulletin   133 891-899   Aug 2018   [Refereed]
© 2018 Elsevier Ltd This study aims to reveal spatial distribution of hydrogen sulfide and sulfur species in marine sediments in Hiroshima Bay, Japan, by direct analyses using a combination of detection tubes and X-ray absorption fine structure sp...
Takahiro Fujioka, Anh T. Hoang, Tetsuji Okuda, Haruka Takeuchi, Hiroaki Tanaka, Long D. Nghiem
International Journal of Environmental Research and Public Health   15(4) 799   Apr 2018   [Refereed]
© 2018 by the authors. Licensee MDPI, Basel, Switzerland. A new membrane fouling control technique using ozonated water flushing was evaluated for direct nanofiltration (NF) of secondary wastewater effluent using a ceramic NF membrane. Experiments...
奥田哲士、松井知士、橋本くるみ、上田義勝、中井智司、西嶋渉
混相流   31(1) 11-18   Apr 2018   [Refereed][Invited]
Satoshi Nakai, Jun-ya Shibata, Akira Umehara, Tetsuji Okuda, and Wataru Nishijima
International Journal of Marine Sciences   1-7   Jan 2018   [Refereed]
Wataru Nishijima, Akira Umehara, Satoshi Sekito, Feng Wang, Tetsuji Okuda, Satoshi Nakai
Ecological Indicators   84 583-589   Jan 2018   [Refereed]
Shibata Jun-ya, Tomano Satoshi, Umino Tetsuya, Tomiyama Takeshi, Sakai Yoichi, Nakai Satoshi, Okuda Tetsuji, Nishijima Wataru
JARQ-JAPAN AGRICULTURAL RESEARCH QUARTERLY   52(4) 307-313   2018   [Refereed]
Fujii et.al
Journal of Japan Society on Water Environment   40(5) 215-222   Sep 2017   [Refereed]
Takatoshi Fujii, Yoshihiro Akiyama, Yoichi Nakano, Kaoru Aoki, Yusuke Date, Ryoma Miyakawa, Hitomi Yano, Eiichi Hino, Yuzo Fujii, Tetsuji Okuda, Wataru Nishijima
Journal of Water and Environment Technology   14(4) 273-281   Aug 2017   [Refereed]
Nakai Satoshi, Mino Esteban R., Ohno Masaki, Kose Tomohiro, Okuda Tetsuji, Nishijima Wataru
KAGAKU KOGAKU RONBUNSHU   43(4) 252-257   Jul 2017   [Refereed]
Yamanouchi Shun, Nasuno Eri, Ohno Masaki, Okano Chigusa, Iimura Ken-ichi, Okuda Tetsuji, Nishijima Wataru, Kato Norihiro
BIOTECHNOLOGY AND BIOPROCESS ENGINEERING   22(3) 281-286   Jun 2017   [Refereed]
Kenji Sugimoto, Yoichi Nakano, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima, Mitsumasa Okada
Journal of Ecology and Environment   41    Mar 2017   [Refereed]
© The Author(s). 2017. Background: There have been many studies on the growth conditions of Zostera marina and Zostera japonica, but few studies have examined how spatial and temporal factors affect growth in established seagrass beds or the distr...
Asaoka S., Okamura H., Kim K., Hatanaka Y., Nakamoto K., Hino K., Oikawa T., Hayakawa S., Okuda T.
Chemosphere   168 384-389   Feb 2017   [Refereed]
Nishijima Wataru, Umehara Akira, Sekito Satoshi, Okuda Tetsuji, Nakai Satoshi
SCIENCE OF THE TOTAL ENVIRONMENT   571 543-550   Nov 2016   [Refereed]
Cervinia V. Manalo, Masaki Ohno, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
Journal of Water Environmental Technology   14(5) 308-318   Oct 2016   [Refereed]
Mayumi Suzuki, Emiko Ishii, Tomohiro Kose, Masaki Ohno, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima, Kuniaki Kawata
Journal of Water and Environment Technology   14(5) 350-361   Oct 2016   [Refereed]
Takatoshi Fujii, Yoshihiro Akiyama, Yoichi Nakano, Kaoru Aoki, Yusuke Date, Ryoma Miyakawa, Hitomi Yano, Eiichi Hino, Yuzo Fujii, Tetsuji Okuda, Wataru Nishijima
Journal of Water and Environment Technology   14(4) 273-281   Aug 2016   [Refereed]
Cervinia V. Manalo, Masaki Ohno, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
Water Science and Technology   73(12) 2978-2985   Jun 2016   [Refereed]
Effect of changes in the physicochemical properties of sand-alternatives on bacterial community structure in coastal sediments
Cervinia V. Manalo, Masaki Ohno, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
Journal of Water Environmental Technology   14(5) 308-318   May 2016   [Refereed]
Ohno Masaki, Manalo Cervinia, Rossetto Laura, Okuda Tetsuji, Nakai Satoshi, Nishijima Wataru
DESALINATION   381 126-134   Mar 2016   [Refereed]
Hitomi Yano, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima, Terumi Tanimoto, Satoshi Asaoka, Shinjiro Hayakawa, Satoru Nakashima
Clean Technologies and Environmental Policy   88(4) 177-185   Mar 2016   [Refereed]
Hitomi Yano, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima, Terumi Tanimoto, Satoshi Asaoka, Shinjiro Hayakawa, Satoru Nakashima
Clean Technologies and Environmental Policy   18(4) 1167-1176   Feb 2016   [Refereed]
Tetsuji Okuda, Fengyu Lin, Satoshi Nakai, Wataru Nishijima, Yoko Katayama, Mitsumasa Okada
Ecological Engineering   88 177-185   Jan 2016   [Refereed]
Masaki Ohno, Cervinia Manalo, Laura Rossetto, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
Desalination   381(1) 126-134   Jan 2016   [Refereed]
Akiyama YB, Yano H, Koba K, Katayama T, Asaoka S, Okuda T, Nakai S, Yamamoto T, Nishijima W
Marine pollution bulletin   100(1) 240-248   Nov 2015   [Refereed]
Mallampati SR, Mitoma Y, Okuda T, Simion C, Lee BK
Journal of environmental radioactivity   139 118-124   Jan 2015   [Refereed]
K. HASHIMOTO, T. DOI, T. OKUDA, W. NISHIJIMA, S. NAKAI and K. NISHIMURA
Journal of Residuals Science & Technology   12(2) 53-59   2015   [Refereed]
Wataru Nishijima, Akira Umehara, Tetsuji Okuda, Satoshi Nakai ,
Japan Marine Pollution Bulletin   92(1-2) 90-98   2015   [Refereed]
OKUDA Tetsuji, NISHIJIMA Wataru, SUGIMOTO Mayo, SAKA Naoyuki, NAKAI Satoshi, TANABE Kazuyasu, ITO Junki, TAKENAKA Kenji, OKADA Mitsumasa
Water Res   60 75-81   Sep 2014   [Refereed]
OKUDA Tetsuji, ASAOKA Satoshi, YANO Hitomi, YOSHITSUGU Kouji, NAKAI Satoshi, NISHIJIMA Wataru, SUGIMOTO Kenji, MATSUNAMI Daijirou, ASAOKA Yorihide, OKADA Mitsumasa
Chemosphere   111 164-168   Sep 2014   [Refereed]
MALLAMPATI Srinivasa Reddy, MITOMA Yoshiharu, OKUDA Tetsuji, SAKITA Shogo, SIMION Cristian
J Hazard Mater   279 52-59   Aug 2014   [Refereed]
SAKUNO Yuji, MINO Esteban R., NAKAI Satoshi, MUTSUDA Hidemi, OKUDA Tetsuji, NISHIJIMA Wataru, CASTRO Rolando, GARCIA Amarillis, PENA Rosanna, RODRIGUEZ Marcos, DEPRATT G. Conrado
Environ Monit Assess   186(7) 4181-4193   Jul 2014   [Refereed]
NISHIJIMA Wataru, OKUDA Tetsuji, NAKAI Satoshi, OKADA Mitsumasa
Chemosphere   105 106-111   Jun 2014   [Refereed]
NAKAI Satoshi, OKUDA Tetsuji, NISHIJIMA Wataru, OHNO Masaki, MATSUMOTO Mitsufumi
PROCEEDINGS OF ENVIRONMENTAL AND SANITARY ENGINEERING RESEARCH   70(7) III_493-III_499   Mar 2014   [Refereed]
?This study was carried out to search for algal strains that grow at a wide range of salinity and has tolerance against ammonium nitrogen and to investigate an anaerobic digestion effluent as a medium for algal culturing. The 5 algal strains of bl...
Wataru Nishijima, Yoichi Nakano, Satoshi Nakai, Tetsuji Okuda, Tsuyoshi Imai, Mitsumasa Okada
Marine Pollution Bulletin   82(1-2) 101-108   Mar 2014   [Refereed]
Masaki Ohno, Masataka Ito, Ryouichi Ohkura, Esteban R. Mino A, Tomohiro Kose, Kuniaki Kawata, Tetsuji Okuda, Wataru Nishijima
Journal of Hazardous Materials   268(42078) 150-155   Mar 2014   [Refereed]
Mallampati SR, Mitoma Y, Okuda T, Sakita S, Simion C
Environmental science and pollution research international   21(15) 9270-9277   2014   [Refereed]
ASAOKA Satoshi, OKUDA Tetsuji, NAKAI Satoshi, NISHIJIMA Wataru
ISIJ Int (Iron Steel Inst Jpn)   53(10) 1888-1893   Oct 2013   [Refereed]
Srinivasa Reddy Mallampati, Yoshiharu Mitoma, Tetsuji Okuda, Shogo Sakita, Mitsunori Kakeda
Environmental Chemistry Letters   11(2) 119-125   Oct 2013   [Refereed]
NISHIJIMA Wataru, OKUDA Tetsuji, NAKANO Yoichi, NAKAI Satoshi, IMAI Tsuyoshi, OKADA Mitsumasa
Mar Pollut Bull   74(1) 364-373   Jul 2013   [Refereed]
Xu R, Kanezashi M, Yoshioka T, Okuda T, Ohshita J, Tsuru T
ACS applied materials & interfaces   5(13) 6147-6154   Jul 2013   [Refereed]
陸田秀実, 鎌田正也, 奥田哲士, 土井康明
Journal of the Japan Society of Civil Engineers   B2(69)(2) I_1276-I_1280   2013   [Refereed]
中井 智司, 瀬戸 範彦, 浅岡 聡, 奥田 哲士, 西嶋 渉
Journal of Japan Society on Water Environment   36(5) 85-90   2013   [Refereed]
Srinivasa Reddy Mallampati, Yoshiharu Mitoma, Tetsuji Okuda, Shogo Sakita, Mitsunori Kakeda
Environmental Chemistry Letters   10(2) 201-207   Jun 2012   [Refereed]
NAKAI Satoshi, ISHII Ryo, OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
J Water Environ Technol (Web)   10(1) 23-30   Mar 2012   [Refereed]
S. Nakai, G. Zou, T. Okuda, W. Nishijima, M. Hosomi, Mitsumasa OKADA
Water Science & Technology   66(5) 993-999   2012   [Refereed]
Srinivasa Reddy Mallampati, Yoshiharu Mitoma, Tetsuji Okuda, Shogo Sakita, Mitsunori Kakeda
Chemosphere   89(6) 717-723   2012   [Refereed]
中井 智司, 尾崎 雅之, 奥田 哲士
土木学会論文集. B2, 海岸工学   67(2) 1091-1095   Nov 2011   [Refereed]
熱帯植物Moringa oleiferaの種に含まれる凝集活性成分の浄水処理への応用のための精製と評価
奥田哲士, 西嶋渉, 岡田光正
環境工学研究論文集   43 605-610   Jun 2011   [Refereed]
凝集剤を表面被膜したプレコート剤による膜ファウリングの抑制
池上武志, 奥田哲士, 西嶋渉, 岡田光正, 角川功明, 本山信行
環境工学研究論文集   43 593-598   Jun 2011   [Refereed]
GUIMARAES Andre L., OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
J Water Environ Technol (Web)   8(2) 141-150   Jun 2010   [Refereed]
REDDY Mallampati Srinivasa, OKUDA Tetsuji, KUROSE Keisuke, TSAI Tsung‐Yueh, NAKAI Satoshi, NISHIJIMA Wataru, OKADA Mitsumasa
J Mater Cycl Waste Manag   12(4) 326-331   May 2010   [Refereed]
Anti-cyanobacterial allelopathic effects of plants―used for artificial floating islands
S. NAKAI, G. ZOU, T. OKUDA, T.Y. TSAI, X. SONG
Allelopathy Journal   26(1) 113-121   2010   [Refereed]
中井智司, 河上康二郎, 奥田哲士, 西嶋渉, 岡田光正
KAGAKU KOGAKU RONBUNSHU   36(4) 304-309   2010   [Refereed]
Mallampati Srinivasa REDDY, Takefumi Yamaguchi, Tetsuji OKUDA, Tsung-Yueh Tsai, Satoshi Nakai, Wataru NISHIJIMA, Mitsumasa OKADA
Waste Management   30(4) 597-610   2010   [Refereed]
Tetsuji Okuda, Yuki Uehara, Tsung Yueh Tsai, Satoshi Nakai, Michihiro Akiba, Wataru NISHIJIMA, Mitsumasa OKADA
Water Science & Technology   3 337-342   Sep 2009   [Refereed]
ALCANTARA-GARDUNO Martha E., OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
J Hazard Mater   160(43134) 662-667   Dec 2008   [Refereed]
Keisuke KUROSE, Satoshi NAKAI, TSAI Tsung,Yueh, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Surface Review and Letters   15(6) 711-715   Dec 2008   [Refereed]
Martha Alcantara, Tetsuji OKUDA, Tsung,Yueh TSAI, Wataru NISHIJIMA, Mitsumasa OKADA
Separation and Purification Technology   60 299-307   2008   [Refereed]
Mallampati Srinivasa REDDY, Keisuke KUROSE, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Journal of Chemical Engineering of Japan   52 941-946   2008   [Refereed]
Tetsuji OKUDA, Martha Alcantara, Masahiro Suzuki, Chikara MATSUI, Tomohiro KOSE, Wataru NISHIJIMA and Mitsumasa OKADA
Chemosphere   68(2) 281-286   Jul 2007   [Refereed]
Neil C. CONCIBIDO, Tetsuji OKUDA, Wataru NISHIJIMA and Mitsumasa OKADA
Reaction Kinetics and Catalysis Letters   90(1) 127-136   Feb 2007   [Refereed]
Tetsuji OKUDA, Keisuke KUROSE, Wataru NISHIJIMA, Mitsumasa OKADA,
Ozone Science & Engineering   29(5) 373-377   2007   [Refereed]
Esteban R. Mino, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA,
Journal of Water Environment Technology   5 109-116   2007   [Refereed]
Mallampati Srinivasa REDDY, Keisuke KUROSE, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Journal of Hazardous Materials   147(25)(3) 1051-1055   2007   [Refereed]
Calcium accumulation onto GAC used for landfill leachate treatment and its effects on 2,4,DCP adsorption
Esteban R. Mino, Tetsuji OKUDA, Wataru NISHIJIMA , Mitsumasa OKADA
Journal of Chemical Engineering of Japan   40(3) 275-279   Nov 2006   [Refereed]
Deactivation and reactivation of Pd/C catalyst used in repeated batch hydrodechlorination of PCE
Neil C. CONCIBIDO, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Applied Catalysis B, Environmental   71(8) 64-69   Sep 2006   [Refereed]
Neil C. CONCIBIDO, Tetsuji OKUDA, Wataru NISHIJIMA and Mitsumasa OKADA
Reaction Kinetics and Catalysis Letters   89(2) 369-376   2006   [Refereed]
Tetsuji OKUDA, Phengxay DEEVANHXAY, Wataru NISHIJIMA and Mitsumasa OKADA
Separation Science and Technology   41(15) 3387-3396   2006   [Refereed]
Keisuke KUROSE, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Journal of Hazardous Materials   137(3) 1618-1623   2006   [Refereed]
Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Water Science & Technology   Water Supply 6(2) 169-176   2006   [Refereed]
Andre L. GUIMARAES, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Journal of Hazardous Materials   137(2) 1096-1101   2006   [Refereed]
Andre L. GUIMARAES, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Journal of Chemical Engineering of Japan   39(4) 481-487   2006   [Refereed]
Tetsuji OKUDA, Phengxay DEEVANHXAY, Wataru NISHIJIMA, Takao HASEGAWA and Mitsumasa OKADA
Journal of Chemical Engineering of Japan   39(2) 137-143   2006   [Refereed]
Martha Alc?ntara,Gardu?o, Tetsuji OKUDA, Wataru NISHIJIMA, and Mitsumasa OKADA
Chemistry Letters   34(11) 1504-1505   2005   [Refereed]
Andre L. GUIMARAES, Tetsuji OKUDA, Wataru NISHIJIMA and Mitsumasa OKADA
Journal of Hazardous Materials   125(1-3)(17) 141-146   2005   [Refereed]
Neil C. CONCIBIDO, Tetsuji OKUDA, Yoichi NAKANO, Wataru NISHIJIMA and Mitsumasa OKADA
Tetrahedron Letters   46(21) 3613-3617   2005   [Refereed]
ポリシリカ鉄凝集剤を用いた凝集沈殿,急速炉過処理の特性
奥田哲士, ペンサイディーワンサイ, 長谷川, 西嶋渉, 岡田光正
Suidoukyoukaishi   73(11( 842)) 2-10   2004   [Refereed]
Lim JL, Kim SW, Shin HS, Okuda T, Okada M
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering   39(6) 1587-1599   2004   [Refereed]
Okuda T, Nam SY, Lim JL, Shin HS
Chemosphere   53(1) 97-100   Oct 2003   [Refereed]
Ugo S. ORLANDO, Tetsuji OKUDA, Aloysius U. BAES, Wataru NISHIJIMA and Mitsumasa OKADA
Reactive and Functional Polymers   55(3) 311-318   2003   [Refereed]
Tetsuji OKUDA, Aloysius U. BAES, Wataru NISHIJIMA and Mitsumasa OKADA
Water Research   35(3) 830-834   2001   [Refereed]
Tetsuji OKUDA, Aloysius U. BAES, Wataru NISHIJIMA and Mitsumasa OKADA
Water Research   35(2) 405-410   2001   [Refereed]
Tetsuji OKUDA, Aloysius U. BAES, Wataru NISHIJIMA and Mitsumasa OKADA
Water Research   33(15) 3373-3378   1999   [Refereed]
Aloysius U. BAES, Tetsuji OKUDA, Wataru NISHIJIMA, Eiji SHOTO and Mitsumasa OKADA
Water Science & Technology   35(7) 89-95   1996   [Refereed]

Misc

 
MALLAMPATI Srinivasa Reddy, MITOMA Yoshiharu, OKUDA Tetsuji, SIMION Cristian, LEE Byeong Kyu
J Hazard Mater   297 74-82   Oct 2015
NISHIJIMA Wataru, UMEHARA Akira, OKUDA Tetsuji, NAKAI Satoshi
Mar Pollut Bull   92(43102) 90-98   Mar 2015
矢野 ひとみ, 中井 智司, 奥田 哲士
環境科学会誌 = Environmental science   28(6) 405-414   2015
MINO A. Esteban R., SAKUNO Yuji, OKUDA Tetsuji, NAKAI Satoshi, MUTSUDA Hidemi, NISHIJIMA Wataru, JIMENEZ Marco A., RODRIGUEZ Marcos, GARCIA Amarilis
日本水環境学会シンポジウム講演集   17th 17   Sep 2014
GOTO Takehiko, KANEZASHI Masakoto, OKUDA Tetsuji, KUBO Masaru, KIHARA Shinichi, NAKAI Satoshi
工学教育研究講演会講演論文集   26(62) 542-543   Aug 2014
NISHIJIMA Wataru, NAKANO Yoichi, NAKAI Satoshi, OKUDA Tetsuji, IMAI Tsuyoshi, OKADA Mitsumasa
Mar Pollut Bull   82(43102) 101-108   May 2014
CERVINIA Manalo, OHNO Masaki, OKUDA Tetsuji, NAKAI Satoshi, NISHIJIMA Wataru
日本水環境学会年会講演集   48th 365   Mar 2014
OHNO Masaki, ITO Masataka, OHKURA Ryouichi, MINO A Esteban R., KOSE Tomohiro, OKUDA Tetsuji, NAKAI Satoshi, KAWATA Kuniaki, NISHIJIMA Wataru
J Hazard Mater   268 150-155   Mar 2014
ROSSETTO Laura, MANALO Cervinia, NAKAI Satoshi, OHNO Masaki, OKUDA Tetsuji, NISHIJIMA Wataru
化学工学会年会研究発表講演要旨集(CD-ROM)   79th ROMBUNNO.SD3P64   Feb 2014
MALLAMPATI Srinivasa Reddy, LEE Chi‐Hyeon, LEE Byeong‐Kyu, OKUDA Tetsuji, MITOMA Yoshiharu
廃棄物資源循環学会研究発表会講演論文集(Web)   25th FE-2(J-STAGE)   2014
MALLAMPATI Srinivasa Reddy, MITOMA Yoshiharu, OKUDA Tetsuji, SAKITA Shogo, KAKEDA Mitsunori
J Hazar Toxic Radioact Waste   17(1) 2-8   Jan 2013
MUTSUDA Hidemi, KAMADA Masaya, OKUDA Tetsuji, DOI Yasuaki
PROCEEDINGS OF THE JAPANESE CONFERENCE ON COASTAL ENGINEERING   69(2) I_1276-I_1280   2013
The concentration of the atmospheric CO2 has been increasing since the middle of the 21st century. The iron and steel industries have produced extremely large amounts of slag as byproduct of the iron making and steel making p...
NAKAI Satoshi, SETO Norihiko, ASAOKA Satoshi, OKUDA Tetsuji, NISHIJIMA Wataru
Japan journal of water pollution research   36(3) 85-90   2013
In the present study, we investigated the feasibility of preventing cyanobacterial dominance using the anti-cyanobacterial allelopathic effect of the submerged macrophyte Myriophyllum spicatum. When the cyanobacterium Microcystis aerugin...
MALLAMPATI Srinivasa Reddy, MITOMA Yoshiharu, OKUDA Tetsuji, SAKITA Shogo, KAKEDA Mitsunori
Chemosphere   89(6) 717-723   Oct 2012
MALLAMPATI S. R., MITOMA Yoshiharu, OKUDA Tetsuji, SAKITA Shogo
日本化学会講演予稿集   92nd(2) 398   Mar 2012
三苫 好治, 奥田 哲士, 崎田 省吾
資源環境対策   47(13) 83-87   Dec 2011
REDDY Mallampati Srinivasa, OKUDA Tetsuji, NAKAI Satoshi, NISHIJIMA Wataru, OKADA Mitsumasa
Waste Manag (Kidlington)   31(8) 1848-1851   Aug 2011
NAKAI Satoshi, KAWAKAMI Koujiro, OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa, OHTA Toshiyuki, KUMAMOTO Naoki
Chemical engineering   36(3) 304-309   Jul 2010
CCA agent consisting of Cu(II), Cr(VI), and As(V) were previously used for preservation of wood products such as ground plates, telegraph poles, and timber. CCA products are not now manufactured in Japan, but about 20,000 m3 of CCA-pres...
REDDY Mallampati Srinivasa, YAMAGUCHI Takefumi, OKUDA Tetsuji, TSAI Tsung-yueh, NAKAI Satoshi, NISHIJIMA Wataru, OKADA Mitsumasa
Waste Manag (Kidlington)   30(4) 597-601   Apr 2010
Hashimoto Toshiyuki, Okuda Tetsuji
Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management   21(0) 146-146   2010
ドライクリーニング装置の使用済みフィルターユニットには、石油系溶剤が多量に残留しており、ユニット中の部材は特別管理廃棄物として焼却処分されているため,現状では処分コストが高く,燃料化にむけての様々な加工(粉砕,あるいは固化)も困難である。特別管理廃棄物の指定を外すには,溶剤を除去するか,引火点を70℃以上に上げる処理が必要となる。 そこで、本研究では、ドライクリーニング用フィルターユニットのうち,現状で焼却処分されている強化紙製ろ紙および木炭系活性炭の性状(溶剤残留量,引火点など)を評価し...
okuda tetuji, akasaka yuuya, Reddy M.S., Nakai satoshi, Nishijima wateru, Okada Mitsumasa
Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management   21(0) 118-118   2010
The reuse and recycle of plastic packaging waste (PPW) was desired. The largest percentage of PPW were occupied by polyethylene (PE) and polypropylene (PP), and PPW contains chlorinated plastics, polyvinyl chloride (PVC) and polyvinylidene chlorid...
奥田 哲士, 西嶋 渉, 岡田 光正
Function & materials   29(5) 50-55   May 2009
OKUDA Tetsuji, KUROSE Keisuke, REDDY Mallampati Srinivasa, TSAI Tsung‐Yueh, NAKAI Satoshi, NISHIJIMA Wataru, OKADA Mitsumasa
Prepr Int Symp Feedstock Mech Recycl Polym Mater   5th 141-147   2009
OKUDA Tetsuji, UEHARA Yuki, TSAI Tsung‐Yueh, NAKAI Satoshi, AKIBA Michihiro, NISHIJIMA Wataru, OKADA Mitsumasa
Water Sci Technol Water Supply   9(3) 337-342   2009
KUROSE Keisuke, OKUDA Tetsuji, NAKAI Satoshi, TSAI Tsung‐Yueh, NISHIJIMA Wataru, OKADA Mitsumasa
Surf Rev Lett   15(6) 711-715   Dec 2008
ALCANTARA-GARDUNO Martha E., OKUDA Tetsuji, TSAI Tsung-yueh, NISHIJIMA Wataru, OKADA Mitsumasa
Sep Purif Technol   60(3) 299-307   May 2008
REDDY Mallampati Srinivasa, KUROSE Keisuke, OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
Resour Conserv Recycl   52(6) 941-946   Apr 2008
OKUDA Tetsuji, KUROSE Keisuke, NISHIJIMA Wataru, OKADA Mitsumasa
Ozone Sci Eng   29(5) 373-377   Oct 2007
REDDY Mallampati Srinivasa, KUROSE Keisuke, OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
J Hazard Mater   147(3) 1051-1055   Aug 2007
OKUDA Tetsuji, ALCANTARA-GARDUNO Martha E., SUZUKI Masahiro, MATSUI Chikara, KOSE Tomohiro, NISHIJIMA Wataru, OKADA Mitsumasa
Chemosphere   68(2) 281-286   Jun 2007
西嶋 渉, 奥田 哲士, 岡田 光正
Journal of water and waste   49(4) 330-334   Apr 2007
MINO Esteban R., OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
J Chem Eng Jpn   40(3) 275-279 (J-STAGE)-279   Mar 2007
The accumulation of calcium onto granular activated carbon (GAC) used for landfill leachate treatment and its effects on the adsorption of 2,4-DCP were studied. A GAC column was installed after the coagulation-sedimentation process of a treatment ...
CONCIBIDO Neil C., OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
Appl Catal B Environ   71(43102) 64-69   Feb 2007
Okuda Tetsuji, Kurose Keisuke, M.S. Reddy, Tsai Tsung-Yueh, Nakai Satoshi, Nishijima Wataru, Okada Mitsumasa
Proceedings of the Annual Conference of The Japan Society of Waste Management Experts   18(0) 96-96   2007
The problems associated with the thermal or material recycling of waste plastics are the productions of hydrogen chloride and chlorine gas in addition to the formation of dioxins and furans. These problems caused by chlorine in the waste plastics...
Yamaguchi Takefumi, Sai Sogaku, Okuda Tetsuji, Nishijima Wataru, Okada Mitsumasa
Proceedings of the Annual Conference of The Japan Society of Waste Management Experts   18(0) 133-133   2007
プラスチックを選別するための方法のうち、フィルム状の廃プラスチックを再利用するのに浮遊選別を用いた。実験に用いたプラスチックフィルムは、プラントにおける脱水・乾燥処理工程の前後で、塩素系プラスチックのみ大きく形状を変えることが分かった。浮遊選別に用いるサンプルには実際の廃棄フィルムを用い、ATR-FTIRで測定して、視覚的にプラスチックの種類を判別できるようにマークを施した。このときの塩素系プラスチックの存在量は0.55g、含有率は7.2%であった。形状の違いは主にしわが寄り、ねじれること...
MINO Esteban R., OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
J Water Environ Technol (Web)   5(2) 109-116 (J-STAGE)   2007
OKUDA Tetsuji, NISHIJIMA Wataru, DEEVANHXAY Phengxay, OKADA Mitsumasa, HASEGAWA Takao
Sep Sci Technol   41(15) 3387-3396   Nov 2006
KUROSE Keisuke, OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
J Hazard Mater   137(3) 1618-1623   Oct 2006
GUIMARAES Andre L., OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
J Chem Eng Jpn   39(4) 481-487 (J-STAGE)-487   Apr 2006
The organic carbon (DOC) leachability of bottom ash samples obtained from two different sources, municipal solid waste (MSW) and industrial solid waste (ISW) incineration facilities, were investigated aiming at enhancing the washing efficiency of ...
OKUDA Tetsuji, DEEVANHXAY Phengxay, NISHIJIMA Wataru, HASEGAWA Takao, OKADA Mitsumasa
J Chem Eng Jpn   39(2) 137-143 (J-STAGE)-143   Feb 2006
The improvement of Cryptosporidium oocysts removals is an urgent need in drinking water treatment and one of the possible solutions is to use high-performance coagulant such as poly-silicate iron coagulant (PSI) instead of conventional coag...
OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitumasa
Doboku Gakkai Ronbunshuu G   43 605-610   2006
The coagulation active component in the solution (MOC-SC) extracted from Moringa oleifera seeds by salt solution could coagulate not only turbid materials but also humic substances. The purified solution from MOC-SC with dialysis, defatting...
IKEGAMI Takeshi, OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa, KADOKAWA Naruaki, MOTOYAMA Nobuyuki
Doboku Gakkai Ronbunshuu G   43 593-598   2006
In order to control membrane fouling, the inner surface of a microfiltration membrane was pre-coated with diatomite having particle diameter of about 14μm, with or without polyaluminum chloride (PAC) coating. Reservoir and stream water samples con...
ALCANTARA-GARDUNO Martha Elena, OKUDA Tetsuji, NISHIJIMA Wataru, OKADA Mitsumasa
Chem Lett   34(11) 1504-1505 (J-STAGE)-1505   Nov 2005
CONCIBIDO Neil C, OKUDA Tetsuji, NAKANO Yoichi, NISHIJIMA Wataru, OKADA Mitsumasa
Tetrahedron Lett   46(21) 3613-3617   May 2005
OKUDA Tetsuji, DEEVANHXAY Phengxay, HASEGAWA Takao, NISHIJIMA Wataru, OKADA Mitsumasa
Journal of Japan Water Work Association   73(11) 2-10   Nov 2004
本研究では水道用湖沼原水を対象にした一年間のパイロットプラントを用いた実証試験で、ポリシリカ鉄凝集剤(PSI)の凝集沈澱処理能力をポリ塩化アルミニウム(PAC)および塩化鉄と比較、評価した。PSIの濁度除去能は同じ鉄系凝集剤である塩化鉄と比べて水温の影響を受けにくく、水質変動に対してもPACと同様に安定した処理能力を示した。PSIの藻類除去能はPAC、塩化鉄より高いと考えられた。これはPSIが鉄系凝集剤であることに起因していることと、重合ケイ酸の効果により低水温期でも塩化鉄のように処理能力...

Conference Activities & Talks

 
Application and potential of Ultrafine Bubble [Invited]
Tetsuji Okuda
6th International Conference & Exhibition on Asdvanced & Nano Materials (ICANM 2018)   6 Aug 2018   
Management of Nutrient Concentrations in the Seto Inland Sea
Tetsuji Okuda
NATIONAL SEMINAR ON SCIENCE TECHNOLOGY FOR SABANG MARINE TOURISM DEVELOMENT AND THE 4TH INTERNATIONAL WORKSHOP ON SATO UMI   5 Oct 2017   
Generation potential of Hazardous and/or Harmful Household Articles during Disasters
Shinji Mizuhara, Yoshiki Yamane, Junya Yano, Misuzu Asari, Tetsuji Okuda
4th 3R International Scientific Conference on Material Cycles and Waste Management   8 Mar 2017   
Fate of Silts and Clay from River and its Contribution to Transparency
Tetsuji Okuda, Wataru Nishijima
Sea Coasts XXVI Joint Conference   22 Aug 2016   
Biofouling Control with Hypochlorous Acid in Reverse Osmosis (RO) Filtration
Tetsuji Okuda, Masaki Ohno, Cervinia Manalo, Satoshi Nakai, Tsuru Toshinori and Wateru Nishijima
2015 International Environmental Engineering Conference (IEEC 2015)   28 Oct 2015   
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A. Umehara, S. Nakai, T. Okuda, W. Nishijima
Estuarine and Coastal Science Association 55 (ECSA55)   8 Sep 2015   
Foulant Control with Hypochlorous Acid for Chlorine-resistant Reverse Osmosis Membrane [Invited]
Tetsuji Okuda
1st NU Membrane Workshop, current practices and challenges for water reuse   22 Jul 2015   
Evaluation of excess sludge reduction and bacterial inactivation using ozone ultra-fine bubble (nanobabbles)
K. Hashimoto, T. Okuda, W. Nishijima, K. Sawai, N. Sumida
International Ozone Association (IOA) International Conference 22th Word Congress & Exhibiton 2015   30 Jun 2015   
Behavior of steel slag used as sand alternative in the marine environment: Behavior of steel slag used as sand alternative in the marine environment
Tetsuji Okuda, Satoshi Asaoka, Hitomi Yano, Satoshi Nakai, Wataru Nishijima
KSWM, 2nd 3R International Scientific Conference on Material Cycles and Waste Management   21 Mar 2015   
Function of Wood chips for Composting of Sewage Sludge by the Thermophilic and Aerobic Digestion
Kurumi Hashimoto, Tetsuji Okuda, Wataru Nishijima, T. Doi, Satoshi Nakai, Kazumasa Nishimura
International Water Association, 9th IWA International Symposium on Waste Management Problems in Agro-Industries   24 Dec 2014   
Rapid novel test for the determination of biofouling potential on reverse osmosis membranes
Cervinia V. Manalo, Masaki Ohno, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
International water association, 4th IWA Regional conference on Membrane Technology   3 Dec 2014   
Reverse osmosis polyamide membrane degradation with hypochlorite enhanced by metal ions
ロッセット ラウラ(Laura Rossetto)・大野 正貴・マナロ セルビニア・奥田 哲士・中井 智司・西嶋 渉
化学工学会第79年会   18 Mar 2014   
Evaluation of Biofouling Potential on RO Membranes
Manalo Cervinia・Ohno Masaki・Okuda Tetsuji・Nishijima Wataru
第48回日本水環境学会年会   17 Mar 2014   
Scientific understanding and approach to the management of the Seto Inland Sea [Invited]
Tetsuji Okuda
First China-Japan (CAS-JST) Workshop on “New Environmentally Sustainable Systems for Japan and China “   21 Feb 2014   
膜を用いた水処理の研究紹介 [Invited]
Tetsuji Okuda
NPO法人21世紀の森づくり   18 Feb 2014   
Reverse Osmosis Polyamide Membrane Degradation with Hypochlorite Enhanced by Metal Ions
Laura Rossetto・大野正貴・Manalo Cervinia1・奥田哲士・中井智司・都留稔了・西嶋 渉
化学工学会中国四国支部大学院生発表会   13 Dec 2013   
Hybrid-remediation with nano-size metallic calcium and iron dispersion for detoxification of multi-pollutants containing radioactive cesium, heavy metals and POPs in contaminated soil
Tetsuji Okuda, Srinivasa Reddy Mallampati, Yoshiharu Mitoma, Shogo Sakita, Mitsunori Kakeda
3rd International Conference on Nanotek & Expo   2 Dec 2013   
Novel approach for the extraction and immobilization of radioactive cesium from contaminated fly ash with nanometallic Ca/CaO methanol suspension
Srinivasa Reddy Mallampati, Tetsuji Okuda, Yoshiharu Mitoma, Shogo Sakita, Mitsunori Kakeda
3rd International Conference on Nanotek & Expo   2 Dec 2013   
current researches in water and waste treatments with biotechnology [Invited]
Tetsuji Okuda
nternational Congress of Scientific Research, Santo Domingo   22 Nov 2013   
EFFECT OF STEELMAKING SLAG ON MARINEBENTHOS,
Yoshihiro B. Akiyama, Hitomi Yano, Takahiro Katayama, Masayuki Takeda, Tetsuji Okuda, Satoshi Nakai and Wataru Nishijima
EMECS10-MEDCOAST2013 Joint Conference   30 Oct 2013   
Contribution of Ozone on the Inactivation of a Plankton in Ballast Water
Tetsuji Okuda, Nobuhiko Yanai, Satoshi Nakai, Wataru Nishijima, Yukihiko Tsutsu
IOA & IUVA 2013 World Congress   22 Sep 2013   
Membrane Technologies for Water Treatment [Invited]
Tetsuji Okuda
MitoMasa(The Mitomasa Sdn. Bhd)   5 Jul 2013   
DRINKING WATER TREATMENT BY COAGULATION WITH EXTRACT FROM Moringa oleifera SEED
Tetsuji Okuda, Wataru Nishijima, Mitsumasa Okada
3rd INTERNATIONAL CONFERENCE on BIOTECHNOLOGY (ICBioE'13)   2 Jul 2013   
FOULING IN MEMBRANE BIOREACTORS WITH MICROBIAL AUTOLYSIS CAUSED BY ENDOGENOUS RESPIRATION
Tetsuji Okuda, Wataru Nishijima, Atsunori Ootoshi, Srinivasa Reddy Mallampati, Satoshi Nakai, Mitsumasa Okada
3rd INTERNATIONAL CONFERENCE on BIOTECHNOLOGY (ICBioE'13)   2 Jul 2013   
Distribution of benthic fauna decided in association with sediment environments on tidal flat in Hiroshima
27 Y. Akiyama, T. Katayama, H. Yano, T. Okuda, S. Nakai, W. Nishijima
International Symposium including Field Workshops -Biodiversity in Changing Coastal Waters of Tropical and Subtropical   1 Dec 2012   
SIMULATION OF CHLOROPHYLL-A ESTIMATION BY WORLDVIEW-2 IN THE URBAN RIVERS OF THE DOMINICAN REPUBLIC USING FIELD SPECTRAL DATA
Yuji SAKUNO, Esteban R. MI?O A., Satoshi NAKAI, Hidemi MUTSUDA, Tetsushi OKUDA, Wataru NISHIJIMA, Rolando CASTRO, Amarillis GARC?A, Rosanna PE?A, Marcos RODRIGUEZ, Conrado DEPRATT, G.
The 33rd Asian Conference On Remote Sensing   26 Nov 2012   
Seasonal Variation and Rainfall Effects in Water Quality of Kushiro River in Wetlands Area
Masaki Ohno, Md. Shafiquzzaman, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
The 9th international symposium on water supply technology   20 Nov 2012   
The use of dredged soil as additives to leverage steel slags for restoring sea grass beds and tidal flats
YANO Hitomi, Satoshi ASAOKA, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
Society of Environmental Toxicology and Chemistry Asia Pacific Annual Meeting (SETAC) Asia-Pacific 2012   24 Sep 2012   
Solidification and Immobilization of Heavy metals in Soil using with nano-metallic Ca/CaO Dispersion Mixture
Srinivasa Reddy Mallampati, Yoshiharu Mitoma, Tetsuji Okuda, Shogo Sakita, Mitsunori Kakeda
16th International Conference on Heavy Metals in the Environment (ICHMET)   23 Sep 2012   
Evaluation of Steel Slag as an Alternative Material of Sand for Coastal Ecosystem Creation
Wataru Nishijima, Hitomi Yano, Satoshi Asaoka, Tetsuji Okuda, Satoshi Nakai and Mitsumasa Okada
2012 ISWA World Solid Waste   15 Sep 2012   
The Effect of Microbial Autolysis Caused by Endogenous Respiration on Fouling in Membrane Bioreactors
Atsunori OTOSHI, Tetsuji OKUDA, Satoshi NAKAI, Wataru NISHIJIMA, Yasuhiro KATO
Water and Environment Technology Conference 2012 (WET2012)   29 Jun 2012   
Physicochemical and biological properties of steel slag bed mixed with dredged material
YANO Hitomi, Satoshi ASAOKA, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima
Water and Environment Technology Conference 2012 (WET2012)   29 Jun 2012   
Characteristics Changes of By-products Origin Sand-alternatives in Sea Water and Sediment
Satoshi ASAOKA, Tetsuji Okuda, Hitomi YANO, Kouji YOSHITSUGU, Satoshi NAKAI, Wataru NISHIJIMA, Kenji SUGIMOTO, Daijirou Matsunami, Yorihide ASAOKA, Mitsumasa OKADA
The 6th International Conference on Environmental Science and Technology 2012   25 Jun 2012   
Solidification, Immobilization and Separation of Heavy metal in Soil with NANO-Fe/Ca/CaO Dispersion Mixtures
Srinivasa Reddy Mallampati, Yoshiharu Mitoma, Tetsuji Okuda, Shogo Sakita, Mitsunori Kakeda
The 6th Internationnal Conferencce on Environmental Science and Technology 2012   25 Jun 2012   
Determination method for maximum calcium dissolving potential of steel slags
Satoshi Asaoka, Hitomi Yano, Tetsuji Okuda, Satoshi Nakai, Wataru NISHIJIMA, Mitsumasa Okada
50th ECSA (Estuarine Coastal and Shelf Science) Conference   3 Jun 2012   
Settlement of clam larvae onto slags derived from steel manufacturing
S. Nakai, Tetsuji Okuda, Wataru NISHIJIMA, Mitsumasa Okada
50th ECSA (Estuarine Coastal and Shelf Science) Conference   3 Jun 2012   
膜処理による浄水とファウリング(目詰まり) [Invited]
Tetsuji Okuda
高知大学自然科学系「水・バイオマス」プロジェクト主催シンポジウム   18 May 2012   
モリンガの種に含まれる凝集活性成分 [Invited]
Tetsuji Okuda
Department of Civil & Environmental Engineering, University of Ulsan   7 May 2012   
Solidification behavior and control of steel slag in marine environment
Wataru Nishijima, Hitomi Yano, Satoshi Asaoka, Tetsuji Okuda, Satoshi Nakai and Mitsumasa Okada
The 27th International Conference on Solid Waste Technology and Management   11 Mar 2012   
Long term physical and chemical behaviors of steel slags in sea water and sediment
Satoshi ASAOKA, Hitomi YANO, Tetsuji OKUDA, Satoshi NAKAI, Wataru NISHIJIMA, Mitsumasa OKADA
The 27th International Conference on Solid Waste Technology and Management   11 Mar 2012   
Evaluation of leaching potential of Ca in steel slag for its reuse in marine environment
Tetsuji Okuda, Satoshi Asaoka, Koji Yoshitsugu, Satoshi Nakai, Wataru Nishijima
The 10th Expert Meeting on Solid Waste Management in Asia and Pacific Islands   22 Feb 2012   
Polyphenols and fatty acids responsible for anti-cyanobacterial allelopathic effects of a submerged macrophyte Myriophyllum spicatum
Satoshi NAKAI, Norihiko SETO, Tetsuji OKUDA, Wataru NISHIJIMA, Masaaki HOSOMI, and Mitsumasa OKADA
14th World Lake Conference   31 Oct 2011   
Responses of The Estuarine Tidal Flat Ecosystem Developed in The Mouth of Ohtagawa Flood Way to Salinity Changes by Flushing
Synkyu FUJITA, Yoichi NAKANO, Tetsuji OKUDA, Satoshi NAKAI, Tsuyoshi IMAI, Wataru NISHIJIMA, Mitsumasa OKADA
20th Korea-Japan Joint Symposium on Water Environment   16 Oct 2011   
Recycling of Waste FRP as Filter for New FRP Products
S. Nakai, Y. Tokumou, S. Tsukawaki, T. Okuda, W. Nishijima and M. Okada
ISFR2011   5 Oct 2011   
Photodegradation of perfluorooctanoic acid under mild conditions
Esteban R. Mino, Yuto Nobukiyo, Tetsuji Okuda, Satoshi Nakai, Wataru Nishijima and Mitsumasa Okada
The 4th IWA-ASPIRE Conference & Exhibition   2 Oct 2011   
Dissolved Organic Matter Consuming Chlorine in Water Distribution
Tetsuji OKUDA, Yuuki Hayashi, Kousuke Ishikawa, Satoshi Nakai, Wataru Nishijima, Naohiro Kishida, Michihiro Akiba and Mitsumasa Okada
The 4th IWA-ASPIRE Conference & Exhibition   2 Oct 2011   
Feasibility of using the allelopathic effect of Myriophyllum spicatum for control of cyanobacterial growth
Satoshi NAKAI, Norihiko SETO, Tetsuji OKUDA, Wataru NISHIJIMA, Masaaki HOSOMI, and Mitsumasa OKADA
The 4th IWA-ASPIRE Conference & Exhibition   2 Oct 2011   
Evaluation of Ozone Induced Lysis Treatment for Excess Sludge Reduction
Srinivasa Reddy Mallampati, Tetsuji OKUDA, Satoshi NAKAI, Wataru NISHIJIMA
22th Korea-Japan Joint Symposium on Water Environment   1 Oct 2011   
Field survey and satellite validation of water quality parameters of rivers in the surroundings of Santo Domingo Metropolitan area, Dominican Republic
Esteban R. Mi?o, Yuji Sakuno, Tetsuji Okuda, Hidemi Mutsuda, Satoshi Nakai, Wataru Nishijima, Marcos Rodriguez and Franklin M. Reyes
EMECS9   27 Aug 2011   
Photodegradation of Perfluorooctanoic Acid using Fe(II/III) in Conbination with Chelating Agents
Satoshi Nakai, Esteban R. Mino, Tomohiro Kose, Tetsuji Okuda, Wataru Nishijima and Mitsumasa Okada
Dioxins 2011   21 Aug 2011   
Use of waste gypsum for shear thickening of dredged soil by decarburization slag
Satoshi NAKAI, Masayuki OZAKI, Tetsuji OKUDA, Wataru NISHIJIMA, and Mitsumasa OKADA
The 6th Joint China/Japan Chemical Engineering Symposium   21 Jun 2011   
Mapping water quality using satellite remote sensing technique in eutrophic Ozama-Isabela and Haina rivers of Dominican Republic
Yuji Sakuno, Esteban R. Mi?o A., Satoshi Nakai, Hidemi Mutsuda, Tetsuji Okuda, Wataru Nishijima, Rolando Castro, Amarilis Garcia, Rosanna Pe?a, Marcos Rodriguez and Conrado Depratt G
VII International Interdisciplinary Scientific Research Congress   9 Jun 2011   
Monitoring of Water Quality of Ozama, Isabela and Haina rivers, Dominican Republic
Esteban R. Mi?o A, Yuji Sakuno, Satoshi Nakai, Hidemi Mutsuda, Tetsuji Okuda, Wataru Nishijima, Rolando Castro, Amarilis Garcia, Rosanna Pe?a, Marcos Rodriguez and Conrado Depratt G
VII International Interdisciplinary Scientific Research Congress   9 Jun 2011   
Drinking water treatment by Moringa oleifera seed extract [Invited]
Tetsuji Okuda
Bioenvironmental Engineering Research Centre, International Islamic University Malaysia   9 Jun 2011   
HYBRID DEGRADATION of ALKYL-PHENOL ETHOXYLATE by OZONATION and BIODEGRADATION
Tetsuji Okuda, Daisuke Okajima, Masashi Hirosaki, Tomoyuki Taked, Kenji Oda, Satoshi Nakai, Wataru Nishijima, and Mitsumasa Okada
The International Ozone Association and The International Ultraviolet Association 2011 Joint World Congress & Exhibition (20th IOA World Congress - th IUVA World Congress) Ozone and UV Leading-edge science and technologies   23 May 2011   
Separation of chlorinated plastic film by thermal fusion bonding
Tetsuji Okuda, Mallampati Srinivasa Reddy, Yuuya Akasaka, Satoshi Nakai, Wataru Nishijima, Mitsumasa Okada
The 2010 International Chemical Congress of Pacific Basin Societies   15 Dec 2010   
Emission of nonylphenol from automobiles
Satoshi Nakai, Yoshie Isobe, Wataru Nishijima, Mitsumasa Okada
The 2010 International Chemical Congress of Pacific Basin Societies   15 Dec 2010   
Polyphenols and fatty acids responsible for anti-cyanobacterial allelopathic effects of a submerged macrophyte Myriophyllum spicatum
Satoshi NAKAI, Tetsuji OKUDA, Wataru NISHIJIMA, Masaaki HOSOMI, Mitsumasa OKADA
IWA World Water Congress and Exhibition   19 Sep 2010   
Selective Separation of Chlorinated Plastic Films from (PP and PE) Packaging Plastic Wastes by Increasing Surface Hydrophilicity with Ozonation
Tetsuji Okuda, Mallampati Srinivasa Reddy,Wataru Nishijima, Satoshi Nakai, Mitsumasa Okada
5th International Conference on Environmental Science and Technology (IC-EST)   12 Jul 2010   
Foulant Reduction by the Oxidation using O3 and H2O2 in MBR with Ceramic Membrane
Tetsuji Okuda, Mingming Xue, Srinivasa Reddy Mallampati, Tsung-Yueh Tsai, Satoshi Nakai, Michiko Aoki, Wataru Nishijima, Mitsumasa Okada
9th Membranes in Drinking and Indusrrial Water Treatmet 2010   27 Jun 2010   
Removal of foulant in cross-flow ceramic membrane bioreactor by the advanced oxidation process (O3/H2O2)
Tetsuji Okuda, Mingming Xue, Srinivasa Reddy Mallampati, Tsung-Yueh Tsai, Satoshi Nakai, Michiko Aoki, Wataru Nishijima, Mitsumasa Okada
Water and Environment Technology Conference International Forum for Scientists and Engineers   25 Jun 2010   
Effect of silt and clay addition on larval settlement of short-neck clam, Ruditapes philippinarum onto coarse sand
S. Nakai, R. Ishii, T.Y. Tsai, T. Okuda, W. Nishijima, and M. Okada
the 9th China-Japan Symposium on Water Environment   15 Jun 2010   
モリンガの種に含まれる凝集活性成分 [Invited]
Tetsuji Okuda
富山高専 特別講義   25 Apr 2010   
Allelochemicals accounting for allelopathic effects of Myriophyllum spicatum on M. aeruginosa
Satoshi Nakai, Tetsuji Okuda, Wataru Nishijima, Masaaki Hosomi, Mitsumasa Okada
Japan-China Joint Symposium on Purification of Livestock Wastewater and Bioremediation of Water Environment basing on Strengthened Biological Function   22 Feb 2010   
Separation of Chlorinated Plastic by Selective Twist Formation
Tetsuji Okuda, Mallampati Srinivasa Reddy, Takefumi Yamaguchi, Tsung-Yueh Tsai, Satoshi Nakai, Wataru Nishijima, Mitsumasa Okada
The 10th International symposium on East Asian Resources Recycling Technology (EARTH2009)   2 Nov 2009   
Chemical Stabilization of MSWI Bottom Ash and Prediction of DOC Leaching in Landfill Sites
A.L. Guimaraes, Tetsuji Okuda, A. Ueda, W. Nishijima, M. Okada
18th Japan/Korea Symposium on Water Environment 2009   26 Oct 2009   
Removal of Aluminum from Water Treatment Residuals for Reusing as Plowed Soil
Tetsuji Okuda, W. Nishijima, N. Saka, M. Sugimoto, M. Okada
3rd IWA-ASPIRE Conference and Exhibition   18 Oct 2009   
Decomposition of Chlorinated Organic Compounds by Adsorption/Advanced Oxidation Processes with Molecular Sieve
T.Y. Tsai, T. Kusunoki, Tetsuji Okuda, S. Nakai, W. Nishijima, M. Okada
the 3rd IWA-ASPIRE Conference and Exhibition, 3rd IWA-ASPIRE   18 Oct 2009   
SELECTIVE SURFACE OZONATION OF POLYVINYL CHLORIDE FOR ITS SEPARATION FROM WASTE PLASTIC MIXTURE BY FROTH FLOATATION
Tetsuji Okuda, Keisuke Kurose, Mallampati Srinivasa Reddy, Tsung-Yueh Tsai, Satoshi Nakai, Wataru Nishijima, Mitsumasa Okada
The 5th International Symposium on Feedstock and Mechanical Recycling of Polymeric Materials (ISFR)   11 Oct 2009   
Removal of Odorous Compound on Rubber Seals using Ozone in Beverage Industries
Wataru Nishijima, Tetsuji Okuda, Toru Tsuzuki, Mitsumasa Okada
19th World Congress, International Ozone Association   31 Aug 2009   
Effect of Fouling Reduction by Ozonated Water Backwashing in MBR Microfiltration
Tetsuji Okuda, Srinivasa Reddy Mallampati, Tsung-Yueh Tsai, Satoshi Nakai, Nobuhiro Yamato, Wataru Nishijima, Mitsumasa Okada
19th World Congress, International Ozone Association   31 Aug 2009   
Processing polymers from automated shredder residue (ASR): Separation of Poly Vinyl Chloride (PVC) from ASR by Froth flotation with Ozonation
Mallampati Srinivasa REDDY, Tetsuji OKUDA, Wataru NISHIJIMA and Mitsumasa. OKADA
INTERNATIONAL CONFERENCE ON RECYCLING AND REUSE OF MATIRELS (ICRM-2009)   17 Jul 2009   
Anti-cyanobacterial allelopathic effects of plants-used for artificial floating islands
Satoshi NAKAI, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
11th international conference on wetland systems technology for water pollution control   1 Nov 2008   
Heavy Metal Removal with Ion Exchanger Produced from Sawdust by a Novel Green Procedure in Solvent-free Conditions
Tetsuji OKUDA, Ugo S. ORLANDO, Wataru NISHIJIMA, and Mitsumasa OKADA
International Water Association World Water Congress and Exhibition   7 Sep 2008   
A novel polymer recycling system for effective recovery of chloride free polymers from automobile shredder residue
Mallampati Srinivasa REDDY, Keisuke KUROSE, Tetsuji OKUDA, Wataru NISHIJIMA and Mitsumasa. OKADA
8th International Automobile Recycling Congress (IARC 2008)   12 Mar 2008   
Catalytic Hydrodechlorination of Tetrachloroethylene at Mild Conditions on Nano-carbon Supported Pd Catalysts
T.-Y. Tsai, Tetsuji OKUDA, Y. Nakano, Y.-Y. Li, W. Nishijima, M. Okada
AIChE Annual Meeting   4 Nov 2007   
Production of Assimilable Organic Carbon (AOC) from Bacteria and Picophytoplanktons by Chlorination
Tetsuji OKUDA, Yuki UEHARA, Tsung-Yueh TDAI, Satoshi NAKAI, Michihiro AKIBA, Wataru NISHIJIMA, Mitsumasa OKADA
2nd IWA-ASPIRE Conference and Exhibition   28 Oct 2007   
Separation of Poly(vinyl chloride) (PVC) from Automobile Shredder Residue (ASR) by Selective Surface Modification with Ozone and Froth Flotation
Tetsuji OKUDA, Keisuke KUROSE, Srinivasa Reddy Mallampati, Wataru NISHIJIMA, Mitsumasa OKADA
2007 IOA-IUVA Joint World Congress   27 Aug 2007   
Polymers recycling from automobile shredder residue (ASR): Separation of poly vinyl chloride (PVC) from ASR by forth flotation with ozonation
Mallampati Srinivasa REDDY, Keisuke KUROSE, Tetsuji OKUDA, Wataru NISHIJIMA and Mitsumasa OKADA: Polymers recycling from automobile shredder residue (ASR)with ozonation
Presented at 22nd International Conference on Solid Waste Technology and Management (ICSW)   18 Mar 2007   
Effect of pretreatments on Calcium accumulation onto GAC
Esteban R. Mino, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
15th Japan/Korea Symposium on Water Environment 2006   23 Oct 2006   
Making the liquid-phase catalytic hydrodechlorination of tetrachloroethylene safer
Neil C. CONCIBIDO, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Division of Environmental Chemistry; 232nd ACS National Meeting   10 Sep 2006   
Calcium accumulated onto GAC as affected by ozonation and coagulation
Esteban R. Mi?o, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
The 2nd International Conference on Environmental Science and Technology   19 Aug 2006   
Bioremediation of oil contaminated fine soils by bioslurry reactor with support media
Tetsuji OKUDA, Martha Alc?ntara, Masahiro Suzuki, Chikara Matsui, KOSE Tomohiro, Wataru NISHIJIMA, Mitsumasa OKADA
The 21st International Conference on Solid Waste Technology and Management   26 Mar 2006   
Elution and Decomposition of TCE from Porous Media Using a Solvent With Ozone: Experimental and Mathematical Results
Martha Alc?ntara, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
The 21st International Conference on Solid Waste Technology and Management   26 Mar 2006   
Liquid-phase Hydrodechlorination of PCE in Water-alcohol Mixtures under Ordinary Conditions
Neil C. CONCIBIDO, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
The 21st International Conference on Solid Waste Technology and Management   26 Mar 2006   
Assimilable Organic Carbon (AOC) Originated from Picophytoplankton in Drinking Water
Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
The 1st IWA-ASPIRE Conference   10 Jun 2005   
Heavy metals removal from Automobile Shredder Residue (ASR)
Keisuke KUROSE, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
The International Solid Waste Association (ISWA) World Environment Congress & Exhibition   17 Oct 2004   
Evaluation of organic carbon leaching potential from treated incinerator bottom ash using conventional and green process methodologies
Andre L. GUIMARAES, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
The International Solid Waste Association (ISWA) World Environment Congress & Exhibition   17 Oct 2004   
Esteban R. Mi?o, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA: Calcium Accumulation onto GAC Used for Landfill Leachate Treatment and its Effects on 2,4-DCP Adsorption
Esteban R. Mi?o, Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
IWA World Water Congress & Exhibition   19 Sep 2004   
Improvement of Cryptosporidium oocyst Removal by a New Coagulant
Tetsuji OKUDA, Phengxay DEEVANHXAY, Wataru NISHIJIMA, Takao HASEGAWA, Mitsumasa OKADA
IWA World Water Congress & Exhibition   19 Sep 2004   
Removal of Phytoplankton and Cryptosporidium oocyst by a new coagulant, Poly-Silicate Iron Coagulant (PSI)
Tetsuji OKUDA, Phengxay DEEVANHXAY, Wataru NISHIJIMA, Takao HASEGAWA, Mitsumasa OKADA
Asian Waterqual 2003- IWA Asia-Pacific Regional Conference   19 Oct 2003   
Characterization of Salt Solution Extracted Active Component from Moringa oleifera Seed
Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Asian Waterqual '99 - 7th IAWQ Asia-Pacific Regional Conference   18 Oct 1999   
New Extraction Method Enhance Coagulation Efficiency of Moringa oleifera Seed Extracts
Tetsuji OKUDA, Wataru NISHIJIMA, Mitsumasa OKADA
Water Quality international 1998 - IAWQ 19th Biennial International Conference   21 Jun 1998   
Adsorption and Ion Exchange of Some Groundwater Anion Contaminants in an Amine Modified Coconut Coir
Tetsuji OKUDA, Aloysius U. BAES, Wataru NISHIJIMA, Mitsumasa OKADA
Adsorption in Water Environment and Treatment Processes   5 Nov 1996   
Reverse Osmosis Polyamide Membrane Degradation with Hypochlorite Enhanced by Metal Ions
Laura Rossetto・大野正貴・Manalo Cervinia1・奥田哲士・中井智司・都留稔了・西嶋 渉
化学工学会中国四国支部大学院生発表会   Oct 1900   
Evaluation of Biofouling Potential on RO Membranes
Manalo Cervinia・Ohno Masaki・Okuda Tetsuji・Nishijima Wataru
第48回日本水環境学会年会   Oct 1900   

Research Grants & Projects

 
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(挑戦的萌芽研究)
Project Year: 2012 - 2013    Investigator(s): TETSUJI OKUDA
In Dominican Republic, we could find and sample some corals survived from 2000 year in the mouth of river in which watershed areas had extensive lead pollution at around 2000. In addition, we analyzed lead concentration for two corals in captivity...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2011 - 2013    Investigator(s): Wataru NISHIJIMA
This study aims to study the distribution of contaminants in the Haina River and Ozama-Isabela River that flow through Santo Domingo, Dominican Republic into the Caribbean Sea by using chlorophyll-a (Chl-a) and suspended sediment (SS) as markers a...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(A))
Project Year: 2009 - 2011    Investigator(s): Mitsumasa OKADA
The elution of calcium from six alternative materials could be explained by the contact with seawater, the base of simulation model for some impact statements could be developed on the basis of the elution phenomenon. It was found that the pressur...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(若手研究(A))
Project Year: 2007 - 2009    Investigator(s): Tetsuji OKUDA
The separation of PVC and other chlorinated plastics from mixture of waste plastics was investigated and separation technology was developed. The mechanisms of hydrophilization of PVC surface was found and enhancement of hydrophilization of PVC su...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2002 - 2004    Investigator(s): Mitsumasa OKADA
The objective of this study is to identify the controlling factors to tidal flat ecosystem having similar characteristics to natural tidal flat ecosystem. Specific conclusions derived from this study are as follows :(1)When the slope of the restor...