Published Papers - ITO Ayumi

Sustainable tropical fruit peel waste biochars for enhanced cadmium and lead adsorption: mechanistic insights and optimization using response surface methodology and backpropagation neural networks

Wanida Limmun, Warunee Limmun, Wisit Maneesri, Orrawan Pewpa, Thatchapol Chungcharoen, Nao Ishikawa, John J. Borkowski, Ayumi Ito

Biomass Conversion and Biorefinery ( Springer )    2025.03  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Sulfamethazine sorption, degradation, and the percentage of sulfamethazine degradation products in solid, liquid, and gas phases in soil

Nao ISHIKAWA, Yunosuke OSANAI, Yuki SATO, Taiti HOSONO, Makoto SASAMOTO, Ayumi ITO, Nobuyoshi ISHII and Keiko TAGAMI

Journal of JSCE ( Japan Society of Civil Engineers )  12 ( 1 ) 24-00079, 1 - 9   2024.10  [Refereed]

Academic Journal  Multiple authorship

Recovery of phosphorus, magnesium, and potassium from surplus activated sludge using existing sludge treatment facilities and thickened primary sludge

Yudai Kamiyama, Takuya Shiraiwa, Nao Ishikawa, Shinji Takahashi, Makoto Sasamoto, Masayuki Sasaki, Toru Watanabe, Ayumi Ito

Water Science and Technology   89 ( 3 ) 670 - 681   2024.02  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

DOI

Eco-friendly magnetic biochar from Leb Mu Nang banana peel: Response surface methodology optimization for Cd(II) adsorption from synthetic wastewater

Wanida Limmun, Warunee Limmun, John J. Borkowski, Nao Ishikawa, Rattanachai Pairintra, Thatchapol Chungcharoen, Naree Phanchindawan, Wisit Maneesri, Orrawan Pewpa, Ayumi Ito

Bioresource Technology Reports   25   101743   2024.02  [Refereed]

Academic Journal  Multiple authorship

DOI

Unlocking fertilization potential of anaerobically digested sewage sludge centrate for protein-rich rice cultivation with composted sludge amendment

Luc Duc Phung, Chiekh Adrame Ba, Putri Aditya Padma Pertiwi, Ayumi Ito, Toru Watanabe

Environmental Research   237 ( 1 ) 116912   2023.11  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Exploration of an efficient method for removing antibiotics from water and digested sewage sludge using Fe(VI): Kinetics and P phytoavailability and compostability in treated sludge

Warunee Limmun, Nao Ishikawa, Takeki Maeda, Takayuki Umeda, Jie Song, Makoto Sasamoto, Teruyuki Umita, Ayumi Ito

Chemosphere   336   139165   2023.06  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Degradation of Sulfamonomethoxine in Solution using Pulsed Plasma Discharge - Identification of By-Products and Toxicity of Treated Solution to Green Algae

N.K. Ishikawa, K. Takahashi, T. Sakakibara, S. Nomura, A. Ito

Water Science and Technology   86 ( 9 ) 2430 - 2440   2022.12  [Refereed]

Academic Journal  Multiple authorship

Degradation of the endocrine-disrupting 4-nonylphenol by ferrate(VI): Biodegradability and toxicity evaluation

Warunee Limmun, Nao Ishikawa, Jin Momotori, Masanori Terasaki, Takumu Sato, Kotaro Kikuchi, Makoto Sasamoto, Teruyuki Umita, Ayumi Ito

Environmental Science and Pollution Research   29 ( 13 ) 18882 - 18890   2022.03  [Refereed]

Academic Journal  Multiple authorship

Effect of dissolved soil organic matter on cesium adsorption by zeolite and illite

Yuito Tameta, Ryoji Tamura, Mao Kimura, Makoto Sasamoto, Nao Kamei-Ishikawa, Ayumi Ito

Journal of Environmental Management   289   112477   2021.03  [Refereed]

Academic Journal  Multiple authorship

Tylosin degradation during manure composting and the effect of the degradation byproducts on the growth of green algae

N.K. Ishikawa, T. Maeda, M. Soma, N. Yoshida, Y. Sameshima, M. Sasamoto, Y. Higashiyama, E. Touno, A. Ito

Science of the Total Environment   718   1 - 6   2020.05  [Refereed]

Academic Journal  Multiple authorship

Removal of nonylphenol and nonylphenol monoethoxylate from water and anaerobically digested sewage sludge by Ferrate(VI)

Warunee Limmun, Ayumi Ito, Nao Ishikawa, Jin Momotori, Yumi Kawamura, Yu Majima, Makoto Sasamoto, Teruyuki Umita

Chemosphere   236   1 - 9   2019.12  [Refereed]

Academic Journal  Multiple authorship

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

Nao K. Ishikawa, Eiko Touno, Yumi Higashiyama, Makoto Sasamoto, Misaki Soma, Naoto Yoshida, Ayumi Ito, and Teruyuki Umita

Science of the Total Environment   633   399 - 404   2018.08  [Refereed]

Academic Journal  Multiple authorship

Arsenic removal from arsenic-contaminated water by biological arsenite oxidation and chemical ferrous iron oxidation using a down-flow hanging sponge reactor

Nao K. Ishikawa, Ayumi Ito, Nami Segawa, Daisuke Yamazaki, Teruyuki Umita

Water Science and Technology: Water Supply   17 ( 5 ) 1249 - 1259   2017.10  [Refereed]

Academic Journal  Multiple authorship

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

A. Ito, H. Kawakami, N. Ishikawa, M. Ito, T. Oikawa, A. Sato, T. Umita

Water Science & Technology   75 ( 9 ) 2149 - 2156   2017.05  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Effect of pH and Chemical Composition of Solution on Sorption and Retention of Cesium by Feldspar, Illite, and Zeolite as Cesium Sorbent From Landfill Leachate

Nao K, Ishikawa, Mai Kuwata, Ayumi Ito, Teruyuki Umita

Soil Science   182 ( 2 ) 63 - 68   2017.02  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Cesium and strontium loads into a combined sewer system from rainwater runoff

N.-K. Ishikawa, Daiki Yoshida, Ayumi Ito, Teruyuki Umita

Journal of Environmental Management   183 ( 3 ) 1041 - 1049   2016.09  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Pollutants loads into a combined sewer system from rainfall runoff

Nao Ishikawa, Taiki Yoshida, Ayumi Ito, Teruyuki Umita

  53 ( 645 ) 114 - 121   2016.07  [Refereed]

Academic Journal  Multiple authorship

Fundamental study on desulfurization of digestion gas using photocatalytic reaction

Ayumi Ito, Shunsuke Nakajima, Nao Ishikawa, Sakae Kawasaki, Makoto Sasamoto, Atsushi Sato, Teruyuki Umita

  53 ( 639 ) 96 - 104   2016.01  [Refereed]

Academic Journal  Multiple authorship

Removal of Nonylphenol and heavy metals in digested sewage sludge using potassium ferrate

Yu Majima, Naoto Matsumura, Ayumi Ito, Nao Ishikawa, Teruyuki Umita

J. JSCE, Ser.G (Environmental Research)   71 ( 7 ) 189 - 197   2015.11  [Refereed]

International Conference Proceedings  Multiple authorship

Removal of steroid estrogens from municipal wastewater in a pilot scale expanded granular sludge blanket reactor and anaerobic membrane bioreactor

Ayumi Ito, Lawson Mensah, Elise Cartmell, John N. Lester

Environmental Technology     2015.09  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Removal of nonylphenol and heavy metals from anaerobically digested sewage sludge using ferrate ion

Ayumi Ito, Naoto Matsumura, Nao Ishikawa, Teruyuki Umita

Proc. of World Water Congress and Exhibition     2014.09

Others  Multiple authorship

Fate of radiocesium in sewage treatment process released by the nuclear accident at Fukushima

Nao Kamei-Ishikawa, Ayumi Ito, Keiko Tagami, Teruyuki Umita

Chemosphere   93 ( 4 ) 689 - 694   2013.10  [Refereed]

Academic Journal  Multiple authorship

Fate of stable strontium in the sewage treatment process as an analogue for radiostrontium released by nuclear accidents

Nao Kamei-Ishikawa, Ayumi Ito, Teruyuki Umita

Journal of Hazardous Materials   260   420 - 424   2013.10  [Refereed]

Academic Journal  Multiple authorship

Heavy metals removal and phosphorus retention using the Fenton process for sustainable recycling of anaerobically digested sewage sludge

Ayumi Ito, Kenta Takahashi, Junya Suzuki, Teruyuki Umita

Journal of Water and Environment Technology   11 ( 4 ) 309 - 318   2013.08  [Refereed]

International Conference Proceedings  Multiple authorship

Separation of metals and phosphorus from incinerated sewage sludge ash

A. Ito, K. Yamada, N. Ishikawa, T. Umita

Water Science and Technology   67 ( 11 ) 2488 - 2493   2013.06  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Removal of toxic substances in anaerobically digested sewage sludge using advanced oxidation process

Satoru Abe, Kota Toda, Ayumi Ito, Nao Ishikawa, Teruyuki Umita

Journal of Japan Sewage Works Association   50 ( 606 ) 119 - 127   2013.04  [Refereed]

Academic Journal  Multiple authorship

Resource dependent biodegradation of estrogens and the role of ammonia oxidising and heterotrophic bacteria

Bagnall, J. P., Ito, A., McAdam, E. J., Soares, A., Lester, J. N., Cartmell, E.

Journal of Hazardous Materials   239-240 ( 15 ) 56 - 63   2012.11  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Biological oxidation of arsenite in synthetic groundwater using immobilised bacteria

Ayumi Ito, Junichi Miura, Nao Ishikawa, Teruyuki Umita

Water Research   46 ( 12 ) 4825 - 4831   2012.07  [Refereed]

Bulletin of University, Institute, etc.  Multiple authorship

Continuous arsenite oxidation treatment by a bioreactor using arsenite-oxidizing bacteria

Nao Ishikawa, Junichi Miura, Ayumi Ito, Teruyuki Umita

J.JSCE,Ser.G (Environmental Research)   67 ( 7 ) III-417 - 423   2011.11  [Refereed]

Academic Journal  Multiple authorship

Removal of nonylphenol and heavy metals from anaerobically digested sewage sludge using the fenton process

K. Toda, A. Ito, J. Suzuki, S. Abe, N. Ishikawa, T. Umita

Proc. of The 4th IWA-ASPIRE Conference & Exhibition     2011.10

Others  Multiple authorship

Simultaneous Removal of Nonylphenol and Heavy Metals from Anaerobically Digested Sewage Sludge Using Advanced Oxidation Process

Ayumi Ito, Jun-ya Suzuki, Kota Toda, Nao Ishikawa, Teruyuki Umita

Environmental Engineering Research   47   699 - 705   2010.11  [Refereed]

Academic Journal  Multiple authorship

Synergetic Effect of Polynuclear Hydroxyl-aluminium and Coexisting Zinc on the Survival of Aquatic Diatom （jointly worked）

T. Umita, A. Ito, A. Sasaki, Y. Satoh, J. Aizawa

Water Practice & Technology   5 ( 3 )   2010.09  [Refereed]

Academic Journal  Multiple authorship

Effect of organic matter supplied by riparian forest on aquatic insect biota by using carbon and nitrogen stable isotope ratios

Shinji Takahashi, Kana Igarashi, Ayumi Ito, Kozo Watanabe, Jiro Aizawa, Tatsuo Omura, Teruyuki Umita

Environmental Engineering Research   46   1 - 8   2009.11  [Refereed]

Academic Journal  Multiple authorship

Influence of operating conditions in a pump facility on sulfide generation in force mains with air injection

Ayumi Ito, Jun Sugiyama, Jiro Aizawa, Teruyuki Umita

Journal of Japan Sewage Works Association   46 ( 557 ) 125 - 132   2009.03  [Refereed]

Academic Journal  Multiple authorship

Heavy metals removal from anaerobically digested sludge by Fenton process and phosphorus immobilization

A. Ito, K. Takahashi, J. Suzuki, J. Aizawa and T. Umita

Proceedings of 5th Specialist Conference on Oxidation Technology for Water and Wastewater Treatment 2009     2009.03

Others  Multiple authorship

Impact of coexistent metal cations on survival of diatom in presence of polynuclear hydroxy-aluminium ion

Yohei Sato, Ayumi Ito, Noriaki Tate, Atsushi Sasaki, Jiro Aizawa, Teruyuki Umita

Environmental Engineering Research   45   139 - 145   2008.11  [Refereed]

Academic Journal  Multiple authorship

Biological oxidation of arsenite by bacteria isolated from activated sludge

Andrianisa H.Anderson, Ayumi Ito, Jyun-ichi Miura, Jiro Aizawa, Teruyuki Umita

Environmental Engineering Research   45   219 - 224   2008.11  [Refereed]

Academic Journal  Multiple authorship

Biotransformation of arsenic species by activated sludge and removal of bio-oxidised arsenate from wastewater by coagulation with ferric chloride

H. A. Andrianisa, A. Ito, A. Sasaki, J. Aizawa, T. Umita

Water Research   42   4809 - 4817   2008.11  [Refereed]

Academic Journal  Multiple authorship

Estimation of manganese source in a dam reservoir and factors affecting manganese release from bottom materials

Ayumi Ito, Kazuhiro Enta, Jiro Aizawa, Teruyuki Umita

Journal of Japan Society on Water Environment   31 ( 11 ) 635 - 641   2008.11  [Refereed]

Academic Journal  Multiple authorship

Enhanced heavy metals removal without phosphorus loss from anaerobically digested sewage sludge

A. Ito, K. Takahashi, J. Aizawa and T. Umita

Water Science and Technology   58 ( 1 ) 201 - 206   2008.09  [Refereed]

Academic Journal  Multiple authorship

Biotransformations of As species in activated sludge process（共著）

H. A. Andrianisa, A. Ito, A. Sasaki, M. Ikeda, J. Aizawa and T. Umita

環境工学研究論文集   44   397 - 405   2007.11  [Refereed]

Academic Journal  Multiple authorship

Estimation of the effects of Al hydrolysis products on river ecosystems using attached algae as bioindicator

Atsushi Sasaki, Noriaki Tate, Ayumi Ito, Jiro Aizawa, Teruyuki Umita

Environmental Engineering Research   43   493 - 500   2006.11  [Refereed]

Academic Journal  Multiple authorship

Characteristics of heavy metals elution from anaerobically digested sewage sludge with oxidizing reagents

Ayumi Ito, Hiroyuki Goto, Kenta Takahashi, Jiro Aizawa, Teruyuki Umita

Environmental Engineering Research   43   311 - 318   2006.11  [Refereed]

Academic Journal  Multiple authorship

Behaviour of arsenic species in batch activated sludge process: biotransformation and removal

H. A. Andrianisa, A. Ito, A. Sasaki, M. Ikeda, J. Aizawa and T. Umita

Water Science and Technology   54 ( 8 ) 121 - 128   2006.01  [Refereed]

Academic Journal  Multiple authorship

Influence of variation in particulate organic matters on aquatic insects in the medium and small sized River Miyamori

Yuya Kobayashi, Atshushi Sasaki Ayumi Ito, Shinsuke Arakawa, Jiro Aizawa, Teruyuki Umita

Environmental Engineering Research   42   513 - 522   2005.11  [Refereed]

Academic Journal  Multiple authorship

Development of a new metal leaching system from sewage sludge using indigenous sulfur-oxidizing bacteria and sulfur waste

Teruyuki. Umita, Ayumi Ito and Jiro Aizawa

Proceedings of 1st IWA-ASPIRE Conference & Exhibition     2005.11

Academic Journal  Multiple authorship

Distribution of heavy metals bound organically in anaerobically digested sludge and their elution mechanism

Ayumi Ito, Hiroshi Kawaguchi, Jiro. Aizawa and Teruyuki Umita

Proceedings of 1st IWA-ASPIRE Conference & Exhibition     2005.11

Academic Journal  Multiple authorship

Environmental factors affecting the growth of attached algae in an acidic river

A. Sasaki, A. Ito, J. Aizawa and T. Umita

Proceedings of IWA 10th International Specialist Conference on Watershed and River Basin Management 2005     2005.11

Academic Journal  Multiple authorship

Improvement of water quality in an oxygen decient dam reservoir by supplying high dissolved oxygen water

Teruyuki Umita, Atsushi Sasaki, Ayumi Ito, Jiro Aizawa

Journal of Japan Industrial Water Association   563   55 - 65   2005.01  [Refereed]

Academic Journal  Multiple authorship

Influence of water and sediment quality on benthic biota in an acidified river

A. Sasaki, A. Ito, J. Aizawa and T. Umita

Water Research   39 ( 12 ) 2517 - 2526   2005.01  [Refereed]

Academic Journal  Multiple authorship

Inhibition of freshwater algal growth using photocatalyst

Ayumi Ito, Kazuyuki Abe, Jiro Aizawa, Teruyuki Umita

Journal of Japan Society on Water Environment   27 ( 3 ) 195 - 198   2004.11  [Refereed]

Academic Journal  Multiple authorship

Effect of metal hydrolytic products on the growth of attached algae

Atsushi Sasaki, Ayumi Ito, Shinji Takahashi, Jiro Aizawa, Teruyuki Umita

Environmental Engineering Research   41   127 - 138   2004.11  [Refereed]

Academic Journal  Multiple authorship

Influence of effluent from acid mine drainage treatment plant on water and sediment quality and benthic biota in the River Akagawa

Atsushi Sasaki, Ayumi Ito, Jiro Aizawa and Teruyuki Umita

Proceedings of IWA 4th World Water Congress     2004.11

Academic Journal  Multiple authorship

Development of a new metal leaching system from sewage sludge using sulfur waste

Kumiko Sasaki, Ayumi Ito, Jiro Aizawa, Teruyuki Umita

Journal of Japan Sewage Works Association   41 ( 503 ) 89 - 99   2004.01  [Refereed]

Academic Journal  Multiple authorship

Comparison of removal efficiency of heavy metals from sewage sludge among different elution methods

Ayumi Ito, Jyun-ichi Kusanagi, Jiro Aizawa and Teruyuki Umita

Proceedings of IWA Asia-Pacific Regional Conference     2003.11

Academic Journal  Multiple authorship

Evaluation of water environment in the River Akagawa receiving the effluent from acid mine drainage treatment plant

Atsushi Sasaki, Ayumi Ito, Jiro Aizawa and Teruyuki Umita

Proceedings of IWA Asia-Pacific Regional Conference     2003.11

Academic Journal  Multiple authorship

Effect of riparian forest on diversity of aquatic insects in a middle-small size river

Jiro Aizawa, Ayumi Ito, Koji Ishige, Shinsuke Arakawa, Teruyuki Umita

Environmental Engineering Research   40   109 - 116   2003.11  [Refereed]

Academic Journal  Multiple authorship

Influence of water quality and sediment on the growth of attached algae in the River Akagawa receiving effluent from an acid mine drainage treatment plant

Atsushi Sasaki, Hiroaki Kariya, Ayumi Ito, Hiroshi Kawaguchi, Jiro Aizawa, Umita Teruyuki

Environmental Engineering Research   40   127 - 138   2003.11  [Refereed]

Academic Journal  Multiple authorship

Evaluation of recovery process of aquatic insects after river improvement works

Ayumi Ito, Koji Ishige, Atsushi Sasaki, Jiro Aizawa, Teruyuki Umita

Environmental Engineering Research   39   449 - 458   2002.11  [Refereed]

Academic Journal  Multiple authorship

Biological elution process for toxic elements from incinerated ash of sewage sludge

Ayumi Ito, Koji Yamada, Kumiko Kitada Sasaki, Jiro Aizawa, Teruyuki Umita

Proceedings of IWA 3rd World Water Congress     2002.11

Academic Journal  Multiple authorship

Relationship between partition of heavy metals in sewage sludge and elution of heavy metals

A. Ito, J. Kusanagi, T. Matsukura, J. Aizawa and T. Umita

Water Science and Technology   46 ( 10 ) 25 - 32   2002.11  [Refereed]

Academic Journal  Multiple authorship

Elution of arsenic from sewage sludge

Ayumi Ito, Toshiyuki Takachi, Noriko Saito, Jiro Aizawa, Teruyuki Umita

Environmental Engineering Research   38   71 - 79   2001.11  [Refereed]

Academic Journal  Multiple authorship

Characteristics of arsenic elution from sewage sludge

A. Ito, T. Takachi, K. Kitada, J. Aizawa, T. Umita

Applied Organometallic Chemistry   15 ( 4 ) 266 - 270   2001.04  [Refereed]

Academic Journal  Multiple authorship

Chemical and biological removal of arsenic from sewage sludge

A. Ito, T. Takachi, J. Aizawa and T. Umita

Water Science and Technology   44 ( 10 ) 59 - 64   2001.01  [Refereed]

Academic Journal  Multiple authorship

Biological leaching of heavy metals from anaerobically digested sewage sludge using indigenous sulfur-oxidizing bacteria and sulfur waste in a closed system

K. Kitada, A. Ito, J. Aizawa and T. Umita

Water Science and Technology   43 ( 2 ) 59 - 65   2001.01  [Refereed]

Academic Journal  Multiple authorship

Evaluation of water environment after river improvement works in the River Tamoki based on aquatic insects

Hiroaki Kariya, Ayumi Ito, Atsushi Sasaki, Jiro Aizawa, An Ying, Teruyuki Umita

Environmental Engineering Research   37   149 - 159   2000.11  [Refereed]

Academic Journal  Multiple authorship

Removal of heavy metals from incinerated ash of sewage sludge

Ayumni Ito, Koji Yamada, Yusuke Takeda, Kumiko Kitada, Jiro Aizawa, Teruyuki Umita

Journal of Japan Sewage Works Association   37 ( 458 ) 166 - 180   2000.11  [Refereed]

Academic Journal  Multiple authorship

Removal of heavy metals from anaerobically digested sewage sludge by a new chemical method using ferric sulfate

A. Ito, T. Umita, J. Aizawa, T. Takachi and K. Morinaga

Water Research   34 ( 3 ) 751 - 758   2000.11  [Refereed]

Academic Journal  Multiple authorship

Effect of effluents from a sewage treatment plant on river benthic animals and water environment

Jiro, Aizawa, Yoshiaki Sato, Ayumi Ito, Kumiko Kitada, Teruyuki Umita, Tatsuo Omura

Japanese Journal of Water Treatment Biology   35 ( 4 ) 247 - 259   1999.01  [Refereed]

Academic Journal  Multiple authorship

Removal of arsenic from sewage sludge

Teruyuki Umita, Noriko Saito, Ayumi Ito, Jiro Aizawa

Proceedings of IAWQ Specialized conference on disposal and utilisation of sewage sludge     265-272   1999.01

Academic Journal  Multiple authorship

下水汚泥中に生息する鉄酸化細菌による下水汚泥からの重金属の除去(共著)

北田久美子,伊藤歩,相澤治郎,海田輝之

環境工学研究論文集   36   105-112   1999.01  [Refereed]

Academic Journal  Multiple authorship

Heavy metals removal from anaerobically digested sewage sludge using indigenous iron oxidizing bacteria,

K. Kitada, A. Ito, J. Aizawa and T. Umita

Proceedings of 7th IAWQ Asia-Pacific Regional Conference   2   969 - 974   1999.01

Others  Multiple authorship

誘導結合プラズマ質量分析法による下水汚泥中の重金属の分析 (共著)

北田久美子,伊藤歩,相澤治郎,海田輝之

下水道協会誌論文集   35 ( 432 ) 143-156   1998.01  [Refereed]

Academic Journal  Multiple authorship

鉱山廃水処理水を受容する河川の水環境について -岩手県北部を流下する赤川を対象にして- (共著)

菊池健児,伊藤歩,北田久美子,相澤治郎,海田輝之

環境工学研究論文集   35   273-284   1998.01  [Refereed]

Academic Journal  Multiple authorship

Effect of inoculation of iron oxidizing bacteria on elution of copper from anaerobically digested sewage sludge (共著)

Ayumi Ito, Teruyuki Umita, Jiro Aizawa, Kumiko Kitada

Water Science and Technology   38 ( 2 ) 63-70   1998.01  [Refereed]

Academic Journal  Multiple authorship

下水汚泥からの銅の溶出除去に関する研究 (共著)

伊藤歩,海田輝之,相澤治郎,北田久美子

環境工学研究論文集   34   361-369   1997.01  [Refereed]

Academic Journal  Multiple authorship

Effect of biological leaching on removal of heavy metals from an aerobically digested sewage sludge (共著)

A. Ito, T. Umita and J. Aizawa

Proceedings of 6th IAWQ Asia-Pacific Regional conference   1   495 - 502   1997.01

Others  Multiple authorship

下水汚泥からの重金属の溶出除去に関する研究 -汚泥滞留時間の影響及びCuの溶出機構- (共著)

伊藤歩, 海田輝之, 相澤治郎, 斎藤紀子, 大村達夫

環境工学研究論文集   33   1 - 9   1996.01  [Refereed]

Academic Journal  Multiple authorship

Effect of ferric sulfate addition on bacterial leaching of heavy metals from anaerobically digested sludge

Koji Morinaga, Tatsuo Omura, Teruyuki Umita, Jiro Aizawa, Ayumi Ito

Journal of Japan Sewage Works Association   31 ( 379 ) 82 - 94   1994.01  [Refereed]

Academic Journal  Multiple authorship