Published Papers - ITO Ayumi

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