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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

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
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Journal Articles

Separation of metals and phosphorus from incinerated sewage sludge ash

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
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Journal Articles

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

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
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Journal Articles

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

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
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Journal Articles

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

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
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Journal Articles

Chemical and biological removal of arsenic from sewage sludge

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
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Journal Articles

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, 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
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Journal Articles

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

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
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Journal Articles

Removal Efficiencies of Indicator Micro-Organisms in Sewage Treatment Plants

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
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Journal Articles

Erosional Process of Cohesive Sediments

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
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Journal Articles

The Behaviour of Suspended Sediments and Muds in an Estuary

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
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Journal Articles

Depositional Process of Fine Sediments

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
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