Mayumi Ito

Profile Information

Affiliation: Professor, Faculty of Engineering Division of Solid Waste,Resources and Geoenvironmental Engineering, Hokkaido University

Degree: 博士（工学）(北海道大学)

J-GLOBAL ID: 200901089911481692
researchmap Member ID: 5000075444

External link: https://www.eng.hokudai.ac.jp/labo/mprr/indexjp.htm#topic.jpg

Research Interests

Research Areas

Research History

Aug, 2022 - Present

Professor (Dr), Faculty of Engineering, Hokkaido University
Dec, 2010 - Present

准教授, 北海道大学工学研究院
May, 2004 - Nov, 2010

Assistant Professor, Faculty of Engineering, Hokkaido University
Apr, 2001 - Mar, 2004

School of Science and Engineering, Waseda University
Apr, 2000 - Mar, 2001

School of Science and Engineering, Waseda University
Apr, 1996 - Mar, 1999

特別研究員（DC1）, 日本学術振興会

Education

Apr, 1996 - Mar, 2000

Graduate School of Engineering, Hokkaido University
Apr, 1994 - Mar, 1996

Graduate School of Engineering, Hokkaido University
Apr, 1990 - Mar, 1994

Department of Mineral Resources Engineering, School of Engineering, Hokkaido University

Committee Memberships

Apr, 2017 - Present

北海道地方鉱山保安協議会, 経済産業省
Apr, 2012 - Present

北海道認定リサイクル製品審査委員会, 北海道
Oct, 2017 - Mar, 2023

銅原料中の不純物低減技術開発委員, JOGMEC
- Mar, 2020

中間貯蔵除去土壌等の減容・再生利用技術開発戦略検討会土壌分級システム実証事業ワーキンググループ, 原子力安全研究協会
Apr, 2010 - Mar, 2018

海底熱水鉱床開発委員会選鉱・製錬技術ワーキンググループ, JOGMEC

Awards

Jun, 2021

令和元年論文賞, The effects of particle geometry on separation efficiency

heerayut Phengsaart, Mayumi Ito, Arisa Azuma, Carlito Baltazar Tabelin, Naoki Hiroyoshi
Mar, 2020

平成記念研究助成, アフリカにおける有害金属の汚染対策と環境修復技術 -動物と人が健康に暮らせる世界の創成を目指して, 国際科学技術財団

中山翔太, 中田北斗内田, 伊藤真由美, 樋渡雅人
Mar, 2020

Paper award, alvanic Microencapsulation (GME) Using Zero-Valent Aluminum and Zero-Valent Iron to Suppress Pyrite Oxidation

S. Seng, C.B. Tabelin, M. Kojima, N. Hiroyoshi, M. Ito
Mar, 2005

資源・素材学会第6回若手ポスター賞, 単体分離促進のための電気パルスによる選択粉砕機構の解明～石炭含有鉱物の粉砕性は何で決まるのか～, 資源・素材学会

伊藤真由美
Mar, 2005

資源・素材学会第30回奨励賞, Advanced Coal Cleaningに関する一連の研究’, 資源・素材学会

伊藤真由美
Jun, 2003

環境資源工学会第110回例会，ポスター賞, 環境資源工学会

伊藤真由美

Papers

196

Isolation and Characterization of Indigenous Ureolytic Bacteria from Mindanao, Philippines: Prospects for Microbially Induced Carbonate Precipitation (MICP)

Kryzzyl M. Maulas, Charla S. Paredes, Carlito Baltazar Tabelin, Mark Anthony Jose, Einstine M. Opiso, Takahiko Arima, Ilhwan Park, Walubita Mufalo, Mayumi Ito, Toshifumi Igarashi …

Minerals, 14(4) 339-339, Mar 26, 2024
Effect of chicken manure amendment on lead burden in mice: exposure to lead-spiked soil

Nyein Chan Soe, Yared Beyene Yohannes, Takamitsu Ohigashi, Hokuto Nakata, Chikae Tatsumi, Yoshitaka Uchida, Walubita Mufalo, Mayumi Ito, Tsutomu Sato, Toshifumi Igarashi …

Journal of Soils and Sediments, Mar 13, 2024
Insights on hazardous metal bioaccessibility, and groundwater impacted by Zn residues from a legacy mine and risk evaluation of adjacent soils

Walubita Mufalo, Takahiko Arima, Toshifumi Igarashi, Mayumi Ito, Tsutomu Sato, Shingo Tomiyama, Imasiku Nyambe, Carlito Baltazar Tabelin, Hokuto Nakata, Shouta Nakayama …

Environmental Geochemistry and Health, 46(2), Feb 6, 2024
A Mixed Media Approach Using Locally Available Neutralizing Materials for the Passive Treatment of Acid Mine Drainage

Joshua Pascual Pocaan, Casey Oliver A. Turingan, Carlito Baltazar Tabelin, Joshua B. Zoleta, Takahiko Arima, Ilhwan Park, Mayumi Ito, Aileen H. Orbecido

Jan 5, 2024
Modified Diglycolamide Resin: Characterization and Potential Application for Rare Earth Element Recovery

Junnile L. Romero, Carlito Baltazar Tabelin, Ilhwan Park, Richard D. Alorro, Joshua B. Zoleta, Leaniel C. Silva, Takahiko Arima, Toshifumi Igarashi, Takunda Mhandu, Mayumi Ito …

Minerals, 13(10) 1330-1330, Oct 14, 2023
A novel recycling route for aluminum alloys: Synthesis of Fe/Al bimetallic materials and magnetic separation

Ilhwan Park, Mayumi Ito, Sanghee Jeon, Carlito Baltazar Tabelin, Theerayut Phengsaart, Marthias Silwamba, Naoki Hiroyoshi

Minerals Engineering, 201 108202-108202, Oct, 2023
Recent Studies and Technologies in the Separation of Polyvinyl Chloride for Resources Recycling: A Systematic Review

Theerayut Phengsaart, Pongsiri Julapong, Chaiwat Manositchaikul, Palot Srichonphaisarn, Monthicha Rawangphai, Onchanok Juntarasakul, Kosei Aikawa, Sanghee Jeon, Ilhwan Park, Carlito Baltazar Tabelin …

Sustainability, 15(18) 13842-13842, Sep 18, 2023
A Pretreatment of Refractory Gold Ores Containing Sulfide Minerals to Improve Gold Leaching by Ammonium Thiosulfate: A Model Experiment Using Gold Powder and Arsenic-Bearing Sulfide Minerals

Takunda Joseph Mhandu, Ilhwan Park, Sanghee Jeon, Sohta Hamatsu, Yogarajah Elakneswaran, Mayumi Ito, Naoki Hiroyoshi

Metals, 13(8) 1357-1357, Jul 28, 2023
Rare Earth Elements Recovery from Primary and Secondary Resources Using Flotation: A Systematic Review

Pongsiri Julapong, Apisit Numprasanthai, Ladda Tangwattananukul, Onchanok Juntarasakul, Palot Srichonphaisarn, Kosei Aikawa, Ilhwan Park, Mayumi Ito, Carlito Baltazar Tabelin, Theerayut Phengsaart

Applied Sciences, 13(14) 8364-8364, Jul 19, 2023
Selective Cementation of Gold Using an Iron Oxide and Zero-Valent Aluminum Galvanic System from Gold–Copper Ammoniacal Thiosulfate Solutions

Joshua Zoleta, Sanghee Jeon, Akuru Kuze, Nako Okada, Ilhwan Park, Mayumi Ito, Yogarajah Elakneswaran, Naoki Hiroyoshi

Metals, 13(7) 1289-1289, Jul 18, 2023
Carrier Flotation Using Coarse Pyrite for Improving the Recovery of Finely Ground Chalcopyrite: Development of Post-Process of Carrier Flotation to Separate Finely Ground Chalcopyrite Particles from Coarse Pyrite Particles

Muhammad Bilal, Ilhwan Park, Mayumi Ito, Fawad Ul Hassan, Kosei Aikawa, Sanghee Jeon, Naoki Hiroyoshi

Minerals, 13(7) 916-916, Jul 7, 2023
Immobilization of Pb and Zn leached from mining residue materials in Kabwe, Zambia: Performance of calcined dolomite in column experiments

Walubita Mufalo, Pawit Tangviroon, Takahiko Arima, Toshifumi Igarashi, Mayumi Ito, Tsutomu Sato, Kenta Noto, Takeshi Kawashima, Imasiku Nyambe, Hokuto Nakata …

Journal of Geochemical Exploration, 249 107209-107209, Jun, 2023
Social cost of mining-related lead (Pb) pollution in Kabwe, Zambia, and potential remediation measures

Daichi Yamada, Masato Hiwatari, Daiju Narita, Peter Hangoma, Bona Chitah, Hokuto Nakata, Shouta M.M. Nakayama, John Yabe, Mayumi Ito, Toshifumi Igarashi …

Science of The Total Environment, 865 161281-161281, Mar, 2023
Flotation of Copper Ores with High Cu/Zn Ratio: Effects of Pyrite on Cu/Zn Separation and an Efficient Method to Enhance Sphalerite Depression

Kosei Aikawa, Mayumi Ito, Nodoka Orii, Sanghee Jeon, Ilhwan Park, Kazutoshi Haga, Taro Kamiya, Tatsuru Takahashi, Kazuya Sunada, Taisuke Sakakibara …

Minerals, 12(9) 1103-1103, Aug 30, 2022
Development of a Sustainable Process for Complex Sulfide Ores Containing Anglesite: Effect of Anglesite on Sphalerite Floatability, Enhanced Depression of Sphalerite by Extracting Anglesite, and Recovery of Extracted Pb2+ as Zero-Valent Pb by Cementation Using Zero-Valent Fe

Kosei Aikawa, Mayumi Ito, Atsuhiro Kusano, Sanghee Jeon, Ilhwan Park, Naoki Hiroyoshi

Minerals, 12(6) 723-723, Jun 6, 2022
Impacts of Surface Water on Windborne Lead Dispersion from the Zinc Plant Leach Residue in Kabwe, Zambia

Shinsaku Nakamura, Toshifumi Igarashi, Yoshitaka Uchida, Mayumi Ito, Kazuyo Hirose, Tsutomu Sato, Walubita Mufalo, Meki Chirwa, Imasiku Nyambe, Hokuto Nakata …

Minerals, 12(5), May, 2022
Alkaline Leaching and Concurrent Cementation of Dissolved Pb and Zn from Zinc Plant Leach Residues

Marthias Silwamba, Mayumi Ito, Naoki Hiroyoshi, Carlito Baltazar Tabelin, Ryota Hashizume, Tomoki Fukushima, Ilhwan Park, Sanghee Jeon, Toshifumi Igarashi, Tsutomu Sato …

Minerals, 12(4), Apr, 2022
Heterogenous carrier flotation technique for recovering finely ground chalcopyrite particles using coarse pyrite particles as a carrier

Muhammad Bilal, Mayumi Ito, Riku Akishino, Xiangning Bu, Fawad Ul Hassan, Ilhwan Park, Sanghee Jeon, Kosei Aikawa, Naoki Hiroyoshi

Minerals Engineering, 180, Apr, 2022
A simple and efficient recovery technique for gold ions from ammonium thiosulfate medium by galvanic interactions of zero-valent aluminum and activated carbon: A parametric and mechanistic study of cementation

S. Jeon, S. Bright, I. Park, C.B. Tabelin, M. Ito, N. Hiroyoshi

Hydrometallurgy, 208, Feb, 2022 Peer-reviewed
A Kinetic Study on Enhanced Cementation of Gold Ions by Galvanic Interactions between Aluminum (Al) as an Electron Donor and Activated Carbon (AC) as an Electron Mediator in Ammonium Thiosulfate System

S. Jeon, S. Bright, I. Park, A. Kuze, M. Ito, N. Hiroyoshi

Minerals, 12(1), Jan, 2022 Peer-reviewed

Misc.

310

Concurrent treatment combining extraction and cementation of anglesite for depression of sphalerite floatability

相川公政, 伊藤真由美, 草野敦大, JEON Sanghee, PARK Ilhwan, 広吉直樹

資源・素材(Web), 2021, 2021
Effects of pyrite on the floatability of lead-activated sphalerite in flotation

相川公政, 瀬川達也, JEON Sanghee, PARK Ilhwan, TABELIN Carlito, TABELIN Carlito, 広吉直樹, 伊藤真由美

資源・素材学会春季大会(Web), 2020, 2020
鉛イオンで活性化された閃亜鉛鉱の浮遊性に及ぼす亜硫酸ナトリウムの影響

草野敦大, 相川公政, JEON Sanghee, PARK Ilhwan, 広吉直樹, 伊藤真由美

資源・素材学会春季大会(Web), 2020, 2020
銅・亜鉛硫化鉱の浮選における閃亜鉛鉱の浮遊抑制

折井のどか, 相川公政, JEON Sanghee, PARK Ilhwan, 広吉直樹, 伊藤真由美

資源・素材学会春季大会(Web), 2020, 2020
Effects of several depressants on the floatability of sphalerite in the flotation of copper-zinc sulfides

伊藤真由美, 折井のどか, 相川公政, JEON Sanghee, PARK Ilhwan, 広吉直樹, MAGWANENG Refilwe, 工藤賢太郎, 砂田和也, 高橋達

資源・素材(Web), 2020, 2020
Effects of lead ion and sodium sulfite concentrations on sphalerite flotation

伊藤真由美, 草野敦大, 相川公政, JEON Sanghee, PARK Ilhwan, 広吉直樹

資源・素材(Web), 2020, 2020
Improvement of flotation and suppression of pyrite oxidation using phosphate-enhanced galvanic microencapsulation (GME) in a ball mill with steel ball media

Sophea Seng, Carlito Baltazar Tabelin, Yuta Makino, Monyneath Chea, Theerayut Phengsaart, Ilhwan Park, Naoki Hiroyoshi, Mayumi Ito

Minerals Engineering, 143, Nov 1, 2019
複雑硫化鉱浮選における閃亜鉛鉱の浮遊性低下のメカニズム

相川公政, 瀬川達也, 得田敦博, TABELIN Carlito, 広吉直樹, 伊藤真由美

資源・素材学会春季大会(Web), 2019, 2019
鉛で活性化された閃亜鉛鉱の浮遊性に及ぼすガルバニック相互作用の影響

伊藤真由美, 相川公政, 瀬川達也, JEON Sanghee, PARK Ilhwan, TABELIN Carlito, 広吉直樹

資源・素材学会北海道支部春季講演会講演要旨集, 2019, 2019
Improvement of hybrid jig separation efficiency using wetting agents for the recycling of mixed-plastic wastes

Mayumi Ito, Megumi Takeuchi, Ayumu Saito, Nana Murase, Theerayut Phengsaart, Carlito Baltazar Tabelin, Naoki Hiroyoshi, Masami Tsunekawa

Journal of Material Cycles and Waste Management, Jan 1, 2019
Prediction of acid mine drainage formation and zinc migration in the tailings dam of a closed mine, and possible countermeasures

Tabelin Carlito, Sasaki Asuka, Igarashi Toshifumi, Tomiyama Shingo, Villacorte-Tabelin Mylah, Ito Mayumi, Hiroyoshi Naoki

25TH REGIONAL SYMPOSIUM ON CHEMICAL ENGINEERING (RSCE 2018), 268, 2019 Peer-reviewed
The characterization of crushed printed circuit boards of waste mobile phone and recovery of gold components by hybrid-jig separation

S. Jeon, M. Ito, S. Tanaka, N. Kitajima, C.B. Tabelin, N. Hiroyoshi

Proc. of the 17th Global Joint Seminar on Geo-environmental Engineering,, 192-197, 2018
Suppression of the release of arsenic from arsenopyrite by titanium- and aluminum-based carrier-microencapsulation

I. Park, C.B. Tabelin, K. Seno, K. Magaribuchi, M. Ito, N. Hiroyoshi

Proc. of the 17th Global Joint Seminar on Geo-environmental Engineering,, 305-311, 2018
Comparison of electrochemical properties of various metal-catecholate complexes for carrier-microencapsulation

X. Li, C. Harada, I. Park, N. Hiroyoshi, C.B. Tabelin, M. Ito

344-348, 2018
The roles of soluble phases in the release of geogenic arsenic and selenium from tunnel-excavated rocks of marine origin

C.B. Tabelin, R. Sasaki, T. Igarashi, I. Park, S. Tamoto, T. Arima, M. Ito, N. Hiroyoshi

Proc. of the 17th Global Joint Seminar on Geo-environmental Engineering,, 312-319, 2018
The effects of particle geometrical properties on the settling velocity of plastic particles in jig separation

T. Phengsaart, A. Azuma, M. Ito, D. Kitayama, S. Kimura, C.B. Tabelin, N. Hiroyoshi

Mining in Asia International Symposium, Bandung, Indonesia, 2018
Improvement of bottom product purity in a continuous jig using a restraining wall

T. Phengsaart, M. Ito, A. Azuma, S. Kimura, K. Hori, H. Tanno, C.B. Tabelin, N. Hiroyoshi

Mining in Asia International Symposium, Bandung, Indonesia, 2018
Effects of iron-catecholate complexes on pyrite oxidation.

X. Li, N. Hiroyoshi, K. Naruwa, C. Harada, C.B. Tabelin, M. Ito

The 6th Joint Seminar on Geo-environment Engineering and Recycling (GER 2018), 2018
Recent advances in jig separation technologies for resources recycling

T. Phengsaart, M. Ito, S. Jeon, A. Azuma, D. Kitayama, S. Kimura, C.B. Tabelin, N. Hiroyoshi

The 6th Joint Seminar on Geo-environment Engineering and Recycling (GER 2018), 2018
Characterization of zinc leaching residue in Kabwe area, Zambia.

M. Silwamba, M. Ito, T. Fukushima, S. Takakuwa, K. Minatogawa, C.B. Tabelin, N. Hiroyoshi, M. Chirwa, K.E. Banda, I. Nyambe

Proc. of 2nd International Kabwe Mine Pollution Amelioration Initiative (KAMPAI) Symposium, Lusaka, Zambia, 2018

Books and Other Publications

プラスチックのケミカルリサイクル技術

監修吉岡敏明 (Role: Contributor, 第III編湿式法＜選別＞比重選別および浮遊選別)

シーエムシー出版, Sep, 2021
バリューチェーンと単位操作から見たリサイクル

化学工学会, 環境部会リサイクル分科会著 (Role: Contributor, 第2章技術編 2.1.2物理選別)

三恵社, Dec, 2020
海底鉱物資源の産業利用

伊藤真由美 (Role: Contributor, 96-112)

シーエムシー出版，東京, 2013

Professional Memberships

Research Projects

銅精鉱の安定供給に向けた難処理銅鉱石のカスタマイズ処理条件を提示するプロトコールの策定

金属資源の生産技術に関する基礎研究, (独）石油天然ガス・金属鉱物資源機構, Jun, 2022 - Mar, 2023

伊藤真由美, パクイルファン
銅亜鉛分離浮選における亜鉛鉱物抑制機構の解明のための基礎研究」/閃亜鉛鉱の浮遊性に及ぼす各種因子の影響把握と，閃亜鉛鉱と銅鉱物の浮選速度差の増大のための手法の開発

金属資源の生産技術に関する基礎研究, (独）石油天然ガス・金属鉱物資源機構, Jun, 2021 - Mar, 2022

伊藤真由美, パクイルファン
ザンビア鉱山地区における鉛汚染環境および鉛中毒対策としてのリスクベースアプローチの実践と効果検証

Axis, JST, Apr, 2020 - Mar, 2022

研究代表者, 石塚真由美
ザンビアにおける鉛汚染のメカニズムの解明と健康・経済リスク評価手法および予防・修復技術の開発

SATREPS, JICA-JST, Jun, 2015 - Mar, 2022

研究代表者, 石塚真由美
銅亜鉛分離浮選における亜鉛鉱物抑制機構の解明のための基礎研究」/閃亜鉛鉱の浮遊性に及ぼす各種因子の影響把握と，閃亜鉛鉱と銅鉱物の浮選速度差の増大のための手法の開発

金属資源の生産技術に関する基礎研究, (独）石油天然ガス・金属鉱物資源機構, Jun, 2020 - Mar, 2021

伊藤真由美
New development on carrier micro-encapsulation for prevending acid mine drainage formation

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

Hiroyoshi Naoki
Selective recovery of precious metals from solution using magnetite

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2014

HIROYOSHI Naoki, ITO Mayumi, FUKUSHIMA Masami
Self-sealability of fractures in rock and its application to fracture and strength control

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 2010 - 2012

KANEKO Katsuhiko, KAWASAKI Satoru, NARA Yoshitaka, ITO Mayumi, MUKUNOKI Toshifumi, HIROYOSHI Naoki, SAKAGUCHI Kiyotoshi, HARADA Syusaku
Advanced jig separation technology for resource recycling and wettability control of plastics

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2011 - 2011

ITO Mayumi, HIROYOSHI Naoki
Mineral processing of deep sea resources

Grants-in-Aid for Scientific Research(若手研究(B)), 若手研究(B), Ministry of Education, Culture, Sports, Science and Technology, 2008 - 2010

Mayumi ITO
Application of carrier-microencapsulation for coal flotation to remove pyrite and to suppress acid mine drainage formation at tailing dam

Grants-in-Aid for Scientific Research(基盤研究(B)), 基盤研究(B), Ministry of Education, Culture, Sports, Science and Technology, 2008 - 2010

Naoki HIROYOSHI, Masami TSUNEKAWA, Mayumi ITO, Toshifumi IGARASHI, Masami FUKUSHIMA
分けるのは訳ないリサイクル用ハイパー比重選別機の開発

科学研究費補助金(挑戦的萌芽研究), 挑戦的萌芽研究, 文部科学省, 2009 - 2009

恒川昌美, 廣吉直樹, 伊藤真由美
Study on Micro-Restructuring of Rocklike Materials

Grants-in-Aid for Scientific Research(基盤研究(A)), 基盤研究(A), Ministry of Education, Culture, Sports, Science and Technology, 2007 - 2009

Katsuhiko KANEKO, Hiroshi TAKAHASHI, Toshifumi IGARASHI, Tsutomu SATO, Sumihiko MURATA, Satoru KAWASAKI, Mayumi ITO
生分解性錯体と易分離性媒体を用いたアースコンシャス汚染土壌浄化

科学研究費補助金(若手研究(B)), 若手研究(B), 文部科学省, 2005 - 2007

伊藤真由美
Advanced Heap-leaching for Chalcopyrite

Grants-in-Aid for Scientific Research(基盤研究(B)), 基盤研究(B), Ministry of Education, Culture, Sports, Science and Technology, 2005 - 2007

Naoki HIROYOSHI, 恒川昌美, 米田哲朗, 伊藤真由美
有機・無機複合廃棄物のハイパー解砕・資源化技術の開発

科学研究費補助金(萌芽研究), 萌芽研究, 文部科学省, 2005 - 2007

恒川昌美, 柳庚槿, 廣吉直樹, 伊藤真由美, 米田哲朗, 吉田豊
Development of Urban Mines as Urban Resource Recovery Centers to Utilize Solid Waste and Create a Holonic Path for a Sustainable Society

Grants-in-Aid for Scientific Research(基盤研究(A)), 基盤研究(A), Ministry of Education, Culture, Sports, Science and Technology, 2004 - 2007

Masami TSUNEKAWA, 廣吉直樹, 伊藤真由美, 米田哲朗, 名和豊春, 平島剛
Quality Improvement of Pyrolysis Char Derived From Various Kind of Solid Waste for Recycling

Grants-in-Aid for Scientific Research(基盤研究(B)), 基盤研究(B), Ministry of Education, Culture, Sports, Science and Technology, 2005 - 2006

田中信壽, Toshihiko MATSUTO, 東條安匡, 恒川昌美, 広吉直樹, 伊藤真由美, 角田芳忠
キャリアマイクロエンカプセレーション〜鉱山汚濁水発生防止のための新しい方法〜

科学研究費補助金(萌芽研究), 萌芽研究, 文部科学省, 2005 - 2006

廣吉直樹, 恒川昌美, 伊藤真由美

Industrial Property Rights

特開2019-42612 選鉱方法

廣吉直樹, 伊藤真由美, カリートタベリン, ホーンボシー, ⼭澤亮介, 今泉有⼆, ⿊岩樹⼈, 牧昌史
特開2013-155416 黄銅鉱を含む硫化銅鉱からの銅の浸出方法

岡本秀征, 廣吉直樹, 伊藤真由美, 伊藤正樹
特願2012-67382 砒素吸着剤およびこれを用いた砒素の固定化方法

廣吉直樹, 佐藤勉, 伊藤真由美, 河合崇泰, 岡本秀征, 澤⽥満
特開2012-001747 銅製錬スラグを原料とする貴金属吸着材およびその製法

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特開2008-149305 シュレッダーダスト(ASR)の解砕処理方法

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