07722769 is referenced by 40 patents and cites 609 patents.

This invention is directed to a wastewater treatment system having a fluidizable media carrying anoxic bacteria in a first treatment zone and a filter membrane positioned in a second treatment zone. A wastewater is contacted with the fluidizable media and further contacted with air and a filter membrane.

Title
Method for treating wastewater
Application Number
12/118262
Publication Number
7722769 (B2)
Application Date
May 9, 2008
Publication Date
May 25, 2010
Inventor
Wenjun Liu
King of Prussia
PA, US
Edward J Jordan
Lenexa
KS, US
Assignee
Siemens Water Technologies
MA, US
IPC
C02F 3/00
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