Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Bacteria or actinomycetales; media therefor
Reexamination Certificate
2006-03-13
2008-10-28
Saidha, Tekchand (Department: 1652)
Chemistry: molecular biology and microbiology
Micro-organism, per se ; compositions thereof; proces of...
Bacteria or actinomycetales; media therefor
Reexamination Certificate
active
07442539
ABSTRACT:
The present invention can feed substrates without waste to generate seed sludge with high bacterial cell concentrations and can start up operation within a short time, in cultivating anaerobic ammonium oxidizing bacteria with ammonium and nitrite as substrates. Equipment for cultivating anaerobic ammonium-oxidizing bacteria, which cultivates, in a cultivation tank, novel anaerobic ammonium-oxidizing bacteria that anaerobically denitrify nitrite and ammonium used as substrates, comprises an ammonium feed device which feeds ammonium at a given concentration into the cultivation tank, a nitrite feed device which feeds nitrite at a given concentration into the cultivation tank, and a control device which controls a feed rate Y of the substrate.
REFERENCES:
patent: A-09-187272 (1997-07-01), None
patent: A-2001-037467 (2001-02-01), None
Isaka Kazuichi et al., “Growth characteristic of anaerobic ammonium-oxidizing bacteria in an anaerobic biological filtrated reactor”, Applied Microbiology and Biotechnology, vol. 70, No. 1, Mar. 2006, pp. 47-52.
Khin et al., “Novel microbial nitrogen removal processes”, Biotechnology Advances, Elsevier Publishing Barking, GB, vol. 22, No. 7, Sep. 2004, pp. 519-532.
Strous M. et al., “The sequencing batch reactor as a powerful tool for the study of slowly growing anaerobic ammonium-oxidizing microorganisms”, Applied Microbiology and Biotechnology, Springer Verlag, Berlin, DE, vol. 50, No. 5, Nov. 1998, pp. 589-596.
Stous M. et al., “Missing lithotroph identified as new planctomycete”, Nature, London, vol. 400, No. 6743, Jul. 29, 1999, pp. 446-449.
Strous, M. et al., “The sequencing batch reactor as a powerful tool for the study of slowing growing anaerobic ammonium-oxidizing microorganisms”, Appl Microbiology Biotechnology, 50; pp. 589-596, Kluyver Laboratory for Biotechnology, Delft University of Technology, Delft, The Netherlands, 1998.
Strous, Marc et al., “Missing lithotroph identified as new planctomycete”, Nature, vol. 400 Jul. 29, 1999.
Isaka Kazuichi
Sumino Tatsuo
Tsuneda Satoshi
Hitachi Plant Technologies, Ltd.
Oliff & Berridg,e PLC
Saidha Tekchand
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