Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2005-02-08
2005-02-08
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Processes
Treatment by living organism
C210S631000, C210S748080, C210S198100, C210S259000
Reexamination Certificate
active
06852226
ABSTRACT:
A waste treatment system permitting treatment of organic wastes at low cost is provided. In the waste treatment system, organic wastes such as sewage, garbage and sludge are introduced into a methane fermentation bath for anaerobic fermentation. The methane gas produced in the bath is refined in a gas holder and then supplied to an electric generator, where the methane gas is used as a raw material for power generation. Digested liquid within the methane fermentation bath is supplied to an electrolytic bath via a flow adjustment bath and a fine screen. In the electrolytic bath, the digested liquid is subjected to electrolysis, by applying potentials to an electrode pair in the electrolytic bath based on the electric power obtained by the electric generator. By the electrolysis, nitrogen components including organic nitrogen and ammonia nitrogen, and BOD, SS and phosphorus components are removed from the digested liquid.
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Hiro Naoki
Hirose Jun
Kitayama Naoki
Kondo Fumitake
Moriizumi Masaki
Prince Fred G.
Sanyo Electric Co,. Ltd.
Westerman Hattori Daniels & Adrian LLP
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