Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2008-01-01
2008-01-01
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Processes
Treatment by living organism
C210S614000, C210S621000, C210S630000, C210S903000, C210S906000, C210S143000, C210S220000, C210S259000
Reexamination Certificate
active
07314563
ABSTRACT:
Disclosed are a membrane coupled activated sludge method and apparatus operating anoxic/anaerobic processes alternately for removal of nitrogen and phosporus, wherein nitrogen and phosphorous together with organics in the sewage, wastewater, filthy water etc. can be simultaneously removed with an economic and efficient manner, an operation thereof is easy and efficient, a capacity thereof is high and the method is economic due to the reduced operating costs with performing measurement and control of a recycle rate, a recycle time of alternate operation of the anoxic and anaerobic process, an amount of sludge, an amount of aeration and an operation of a blower for an intermittent membrane cleaning.
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PCT International Search Report of PCT/KR2005/004590 by Korean Intellectual Property Office mailed on Jul. 26, 2006.
Ahn Kyu Hong
Cho Jin Woo
Poo Kyung Min
Song Kyung Guen
Knobbe Martens Olson & Bear LLP
Korea Institute of Science and Technology
Prince Fred G.
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