Kazuya Shimizu

J-GLOBAL         Last updated: Mar 18, 2019 at 21:20
Kazuya Shimizu
University of Tsukuba
Faculty of Life and Environmental Sciences
Research funding number

Research Areas


Academic & Professional Experience

Mar 2017
Associate Professor, University of Tsukuba
Apr 2016
Feb 2017
Associate Professor, Department of Life Sciences, Toyo University
Apr 2013
Mar 2016
Senior Assistant Professor, Department of Life Sciences, Toyo University
Apr 2010
Mar 2013
Assistant Professor, Faculty of Life Sciences, Toyo University
Oct 2009
Mar 2010
Researcher, Sun Care Fuels Corporation

Awards & Honors

Nov 2011
Impact of nitrification inhibitor on nitrogen removal and related enzyme activities during soil infiltration treatment of domestic wastewater, Best Article Award, Japanese Society of Water Treatment Bioogy
Winner: Lei Zhongfang, Huang Yingen, Shimizu Kazuya, and Zhang Zhenya
Mar 2009
Award, Graduate School of Life and Environmental Sciences, University of Tsukuba
Oct 2008
Best Poster Presentation, 1st Japan-China Graduated Student Forum
Development of bio-fence for water purification of aquaculture ponds, Best Paper Award, International Conference on Interdisciplinary Research and Development in ASEAN Universities 2012
Winner: Tomoaki Itayama, Xueying Bi, Norio Iwami, Kazuya Shimizu, Chunyan Liu, Dong Xia, Redel Gutierrez, and Niwooti Whangchai

Published Papers

Comparative study on hydrothermal treatment as pre- and post- treatment of anaerobic digestion of primary sludge: Focus on energy balance, resources transformation and sludge dewaterability
Tian Yuan, Yanfei Cheng, Zhenya Zhang, Zhongfang Lei, and Kazuya Shimizu
Applied Energy   239 171-180   Apr 2019   [Refereed]
Characteristics of ultra-fine bubble water and its trials on enhanced methane production from waste activated sludge
Di Wang, Xiaojing Yang, Caixing Tian, Zhongfang Lei, Noriko Kobayahi, Motoyoshi Kobayashi, Yasuhisa Adachi, Kazuya Shimizu, Zhenya Zhang
Bioresource Technology   273 63-69   Feb 2019   [Refereed]
Effect of levofloxacin exposure on sequencing batch reactor (SBR) behavior and microbial community changes
Liting Hao, Kunihiro Okano, Chi Zhang, Zhenya Zhang, Zhongfang Lei, Chuanping Feng, Motoo Utsumi, Ikko Ihara, Hideaki Maseda, and Kazuya Shimizu
Science of the Total Environment   accepted    2019   [Refereed]
Yang Yu, Zhongfang Lei, Xi Yang, Xiaojing Yang, Weiwei Huang, Kazuya Shimizu, Zhenya Zhang
Applied Energy   229 88-95   Nov 2018   [Refereed]
© 2018 Elsevier Ltd Anaerobic granular sludge (AGS) has been applied for most highly efficacy anaerobic digestion systems like upflow anaerobic sludge blanket and expanded granular sludge bed reactors. As a by-product from these systems, AGS is pr...
Ziwen Zhao, Xiaojing Yang, Wei Cai, Zhongfang Lei, Kazuya Shimizu, Zhenya Zhang, Motoo Utsumi, Duu Jong Lee
Bioresource Technology   268 221-229   Nov 2018   [Refereed]
© 2018 Elsevier Ltd The effect of influent chemical oxygen demand to nitrogen (COD/N) ratio on the granular stability, nutrients removal and accumulation of the algal-bacterial AGS was investigated. Two sequencing batch reactors were operated unde...

Conference Activities & Talks

MlrA, the essential enzyme for microcystins biodegradation
Miwa Kodato, Michiko Arai, Narumi Kurogo, Kunihiro Okano, Zhenya Zhang, Motoo Utsumi, Norio Sugiura, Hideaki Maseda,
16th International Symposium on Microbial Ecology (ISME16),   21 Aug 2016   
Removal of cyanobacteria and cyanotoxin using micro-animal and co-existing bacteria in a bioreactor
Kazuya Shimizu*, Kunihiro Okano, Hiroyuki Kinohira, Hideaki Maseda, Norio Iwami, Tomoaki Itayama, Zhenya Zhang, Motoo Utsumi, Norio Sugiura
16th International Symposium on Microbial Ecology (ISME16),   21 Aug 2016   
Aquaculture fish ponds as experimental ponds for study on toxigenic cyanobacteria in Thailand
Tomoaki Itayama*, Kazuya Shimizu, Redel Gutierrez, Ruenkeaw Praphrute, Dong Xia, Khomasan Ruangdet, Norio Iwami, Yang Gu, Wang Pengfei, Norio Sugiura
Aquaculture fish ponds as experimental ponds for study on toxigenic cyanobacteria in Thailand   2014   
Finding of Microcystin-degrading bacterium and Elucidation of Its Degradation Mechanism
Kazuya Shimizu, Kunihiro Okano, Hideaki Maseda, Tomoaki Itayama, Yukio Kawauchi, Motoo Utsumi, Zhenya Zhang and Norio Sugiura
13th World Lake Conference   Nov 2009   
Effect of Cyclic Microcystin and Its Degradation Products on Transcription of the Gene Encoding Microcystin Degrading Enzyme
Kazuya Shimizu, Kunihiro Okano, Takashi Amemiya, Hideaki Maseda, Motoo Utsumi, Norio Sugiura
1st Japan-China Graduated Student Forum   Oct 2008   

Association Memberships



Apr 2006
Mar 2009
Graduate School of Life and Environmental Sciences, University of Tsukuba
Apr 2004
Mar 2006
University of Tsukuba
Apr 1999
Mar 2003
Nihon University