Details of a Researcher

ITO Ayumi

写真a

Affiliation	IWATE University Faculty of Science and Engineering Department of Science and Engineering Social Infrastructure/Enviromental Engineering Course
Position	Professor
Laboratory Phone number	+81-19-621-6449
Laboratory Fax number	+81-19-621-6449
Mail Address

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Research Interests 【 display / non-display 】

Water supply and sewerage engineering
Water environment engineering
Environmental and Sanitary Engineering
Sewage sludge treatment and recycling

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Graduating School 【 display / non-display 】

　

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1994.03

Iwate University Faculty of Engineering Civil engineering Graduated

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Graduate School 【 display / non-display 】

　

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1999.03

Iwate University Graduate School, Division of Engineering Doctor's Course Completed
　

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1996.03

Iwate University Graduate School, Division of Engineering Civil engineering Master's Course Completed

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Campus Career 【 display / non-display 】

2019.09

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Now

IWATE University Faculty of Science and Engineering Department of Systems Innovation Engineering Studies in Civil and Environmental Engineering Professor [Duty]
2016.04

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2019.08

IWATE University Faculty of Science and Engineering Department of Systems Innovation Engineering Studies in Civil and Environmental Engineering Associate Professor [Duty]
2007.04

-

2016.03

IWATE University Abolition organization Frontier Materials and Function Engineering Associate Professor [Duty]
2004.04

-

2007.03

IWATE University Faculty of Engineering Associate Professor (As Old Post Name) [Concurrently]
1999.04

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2004.03

IWATE University Faculty of Engineering Research Assistant [Concurrently]

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External Career 【 display / non-display 】

2009.04

-

2010.03

Cranfield University Visiting Lecturer

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Research Areas 【 display / non-display 】

Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Environmental systems for civil engineering

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Course Subject 【 display / non-display 】

2004

Environmental Sanitary engineering
2004
2004
2005

Environmental Sanitary engineering
2005

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Research Career 【 display / non-display 】

Study on mechanism of heavy metals elution from sewage sludge

Periods of research：

1994.04

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Now

Keywords : sewage sludge,heavy metals,elution mechanism

Style of Research： Collaboration in Organization

Research Program： (not selected)
Inhibition of fresh water algae growth using photocatalyst

Periods of research：

1999.04

-

Now

Keywords : photocatalyst,water bloom

Style of Research： Collaboration in Organization

Research Program： (not selected)
Study on behavior of toxic substance in water environment

Periods of research：

1999.04

-

Now

Keywords : Water enviroment,endocrine disruptors,heavy metals

Style of Research： Collaboration in Organization

Research Program： (not selected)
Biological treatment of water and wastewater contaminated with arsenic

Periods of research：

2006.04

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2003.03

Keywords : arsenic, contaminated water, biological treatment

Style of Research： Collaboration in Organization

Research Program： (not selected)
Removal of nonylphenol in sewage sludge using advanced oxidation process

Periods of research：

2007.04

-

Now

Keywords : sewage sludge,nonylphenol,degradation, advanced oxidation process

Style of Research： Collaboration in Organization

Research Program： (not selected)

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Published Papers 【 display / non-display 】

Concentration of Fertilizer Elements from Excess Sludge Centrate by Electrodialysis

Namiki MATSUHASHI, Takuma NIIYAMA, Tomoki FUJISAI, Kazuhiro TAKEHANA, Takayuki NARUMI, Makoto SASAMOTO, Nao ISHIKAWA, Ayumi ITO

63 ( 761 ) 2026.03 [Refereed]

International Conference Proceedings Multiple authorship
Co-utilizing Composted Sewage Sludge and Surplus Activated Sludge Extract for Protein-Rich Rice Cultivation: an Alternative to Conventional Fertilization

Cheikh Adrame Ba, Jittrera Buates, Dung Viet Pham, Ayumi Ito, Luc Duc Phung, Toru Watanabe

Journal of Soil Science and Plant Nutrition 2026.02 [Refereed]

Academic Journal Multiple authorship
FATE OF ANTIBIOTICS IN RIVERS RECEIVING TREATED SEWAGE EFFLUENT AND ITS ENVIRONMENTAL RISK ASSESSMENT

Kosuke Sato, Daisuke Kikuta, Raimu Ito, Takumi Yokota, Tomoko Ito, Narumi Takayuki, Takehana Kazuhiro, Sasamoto Makoto, Nao Ishikawa, Ayumi Ito

Journal of Japan Society of Civil Engineers 81 ( 25 ) 25-25031 2025.12 [Refereed]

Academic Journal Multiple authorship
SAFETY ASSESSMENT OF HARMFUL SUBSTANCES IN LIQUID FERTILIZER FEEDSTOCK BY ELECTRODIALYSIS OF SEWAGE SLUDGE CENTRATE

Nao ISHIKAWA, Namiki MATSUHASHI, Tomoki FUJISAI, Kazuhiro TAKEHANA, Takayuki, NARUMI, Makoto SASAMOTO, Seikou KANAZAWA, Toshifumi TAKAHASHI, Ayumi ITO

Journal of Japan Society of Civil Engineers 81 ( 25 ) 25-25021 2025.12 [Refereed]

Academic Journal Multiple authorship
Leaching of Heavy Metals from Anaerobically Digested Sewage Sludge by Plasma Treatment

Naoki Takahashi, Tatsuya Yamamoto, Hironao Kamaguchi, You Hashimoto, Katsuyuki Takahashi, Nao Ishikawa, Ayumi Ito

Journal of Japan Society of Civil Engineers 81 ( 25 ) 25-25001 2025.12 [Refereed]

Academic Journal Multiple authorship

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Presentations 【 display / non-display 】

Removal of nonylphenol and nonylphenol monoethoxylate from water and sludge samples by ferrate (VI)

Poster (General)

2018.09

　

　
Determination of tylosin egestion from sheep to assess tylosin spread to agricultural fields by manure application

Poster (General) N.K. Ishikawa, E. Touno, Y. Higashiyama, M. Sasamoto, T. Sasaki, Y. Goto, A. Ito, T. Umita

2017.09

　

　
Degradation of micropollutants in water and sewage sludge samples by potassium ferrate

Oral Presentation(General) Warunee Limmun, Yu Majima, Nao Ishikawa, Ayumi Ito, Teruyuki Umita

2017.07

　

　
Relationships between Sorption of Cs in Landfill Leachate and Physicochemical Properties of Natural Minerals

Oral Presentation(General) Miho Ito, Nao Ishikawa, Ayumi Ito, Teruyuki Umita

2016.07

　

　
Accelerated anaerobic release of K, Mg, and P from surplus activated sludge for elements recovery and struvite formation inhibition

Oral Presentation(General) A. Ito, H. Kawakami, M. Ito, N. Ishikawa, A. Sato, T. Umita

2016.06