Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2005-08-09
2005-08-09
Drodge, Joseph (Department: 1723)
Liquid purification or separation
Processes
Treatment by living organism
C210S620000, C210S631000, C210S636000, C210S637000, C210S639000, C210S702000, C210S732000, C210S733000, C210S734000, C210S735000
Reexamination Certificate
active
06926832
ABSTRACT:
A method of conditioning mixed liquor in a membrane biological reactor comprising adding to the mixed liquor an effective coagulating and flocculating amount of one or more water soluble cationic, amphoteric or zwitterionic polymers, or combination thereof and methods of reducing membrane fouling, enhancing membrane flux and reducing sludge production.
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Collins John H.
Musale Deepak A.
Salmen Kristine S.
Ward William J.
Yoon Seong-Hoon
Breininger Thomas M.
Drodge Joseph
Martin Michael B.
Nalco Company
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