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Journal Articles

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

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A. Ito, H. Kawakami, N. Ishikawa, M. Ito, T. Oikawa ...
Water Sci Technol (2017) 75 (9): 2149–2156.
DOI: https://doi.org/10.2166/wst.2017.099
Date Online: 20 February 2017
View articletitled, Accelerated anaerobic release of K, Mg and P from surplus activated sludge for element recovery and struvite formation inhibition View PDF for article titled, Accelerated anaerobic release of K, Mg and P from surplus activated sludge for element recovery and struvite formation inhibition
Journal Articles

Separation of metals and phosphorus from incinerated sewage sludge ash

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A. Ito, K. Yamada, N. Ishikawa, T. Umita
Water Sci Technol (2013) 67 (11): 2488–2493.
DOI: https://doi.org/10.2166/wst.2013.142
Date Online: 01 June 2013
View articletitled, Separation of metals and phosphorus from incinerated sewage sludge ash View PDF for article titled, Separation of metals and phosphorus from incinerated sewage sludge ash
Journal Articles

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

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A. Ito, K. Takahashi, J. Aizawa, T. Umita
Water Sci Technol (2008) 58 (1): 201–206.
DOI: https://doi.org/10.2166/wst.2008.642
Date Online: 01 July 2008
View articletitled, Enhanced heavy metals removal without phosphorus loss from anaerobically digested sewage sludge View PDF for article titled, Enhanced heavy metals removal without phosphorus loss from anaerobically digested sewage sludge
Journal Articles

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

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H.A. Andrianisa, A. Ito, A. Sasaki, M. Ikeda, J. Aizawa ...
Water Sci Technol (2006) 54 (8): 121–128.
DOI: https://doi.org/10.2166/wst.2006.810
Date Online: 01 October 2006
View articletitled, Behaviour of arsenic species in batch activated sludge process: biotransformation and removal View PDF for article titled, Behaviour of arsenic species in batch activated sludge process: biotransformation and removal
Journal Articles

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

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A. Ito, J. Kusanagi, T. Matsukura, J. Aizawa, T. Umita
Water Sci Technol (2002) 46 (10): 25–32.
DOI: https://doi.org/10.2166/wst.2002.0280
Date Online: 01 November 2002
View articletitled, Relationship between partition of heavy metals in sewage sludge and elution of heavy metals View PDF for article titled, Relationship between partition of heavy metals in sewage sludge and elution of heavy metals
Journal Articles

Chemical and biological removal of arsenic from sewage sludge

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A. Ito, T. Takachi, J. Aizawa, T. Umita
Water Sci Technol (2001) 44 (10): 59–64.
DOI: https://doi.org/10.2166/wst.2001.0581
Date Online: 01 November 2001
View articletitled, Chemical and biological removal of arsenic from sewage sludge View PDF for article titled, Chemical and biological removal of arsenic from sewage sludge
Journal Articles

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

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K. Kitada, A. Ito, K. Yamada, J. Aizawa, T. Umita
Water Sci Technol (2001) 43 (2): 59–65.
DOI: https://doi.org/10.2166/wst.2001.0073
Date Online: 01 January 2001
View articletitled, Biological leaching of heavy metals from anaerobically digested sewage sludge using indigenous sulfur-oxidizing bacteria and sulfur waste in a closed system View PDF for article titled, Biological leaching of heavy metals from anaerobically digested sewage sludge using indigenous sulfur-oxidizing bacteria and sulfur waste in a closed system
Journal Articles

Biological Oxidation of Ferrous Iron in High Acid Mine Drainage by Fluidized Bed Reactor

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T. Omura, T. Umita, V. Nenov, J. Aizawa, M. Onuma
Water Sci Technol (1991) 23 (7-9): 1447–1456.
DOI: https://doi.org/10.2166/wst.1991.0597
Date Online: 01 April 1991
View articletitled, Biological Oxidation of Ferrous Iron in High Acid Mine Drainage by Fluidized Bed Reactor View PDF for article titled, Biological Oxidation of Ferrous Iron in High Acid Mine Drainage by Fluidized Bed Reactor
Journal Articles

Removal Efficiencies of Indicator Micro-Organisms in Sewage Treatment Plants

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T. Omura, M. Onuma, J. Aizawa, T. Umita, T. Yagi
Water Sci Technol (1989) 21 (3): 119–124.
DOI: https://doi.org/10.2166/wst.1989.0088
Date Online: 01 March 1989
View articletitled, Removal Efficiencies of Indicator Micro-Organisms in Sewage Treatment Plants View PDF for article titled, Removal Efficiencies of Indicator Micro-Organisms in Sewage Treatment Plants
Journal Articles

Erosional Process of Cohesive Sediments

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T. Kusuda, T. Umita, K. Koga, T. Futawatari, Y. Awaya
Water Sci Technol (1985) 17 (6-7): 891–901.
DOI: https://doi.org/10.2166/wst.1985.0188
Date Online: 01 June 1985
View articletitled, Erosional Process of Cohesive Sediments View PDF for article titled, Erosional Process of Cohesive Sediments
Journal Articles

The Behaviour of Suspended Sediments and Muds in an Estuary

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T. Umita, T. Kusuda, Y. Awaya, M. Onuma, T. Futawatari
Water Sci Technol (1985) 17 (6-7): 915–927.
DOI: https://doi.org/10.2166/wst.1985.0190
Date Online: 01 June 1985
View articletitled, The Behaviour of Suspended Sediments and Muds in an Estuary View PDF for article titled, The Behaviour of Suspended Sediments and Muds in an Estuary
Journal Articles

Depositional Process of Fine Sediments

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T Kusuda, T Umita, K Koga, H Yorozu, Y Awaya
Water Sci Technol (1982) 14 (4-5): 175–184.
DOI: https://doi.org/10.2166/wst.1982.0097
Date Online: 01 April 1982
View articletitled, Depositional Process of Fine Sediments View PDF for article titled, Depositional Process of Fine Sediments