B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 65/08 (2006.01) B01D 61/04 (2006.01) B01D 61/16 (2006.01) C02F 1/44 (2006.01) C02F 3/12 (2006.01) C02F 1/56 (2006.01)
Patent
CA 2486835
A method of conditioning mixed liquor in a membrane biological reactor that includes submerged membrane module (2) within aeration tank (1) comprising adding to the mixed liquor an effective coagulating and flocculating amount of one or more soluble cationic, amphoteric or zwitterionic polymers, or combination thereof and methods of reducing membrane fouling, enhancing membrane flux and reducing sludge production.
L'invention concerne un procédé de conditionnement de liqueur mixte dans un réacteur à membrane biologique, comprenant un module de membrane immergée (2) dans un réservoir d'aération (1), consistant à ajouter à la liqueur mixte une quantité efficace d'un ou de plusieurs polymères zwittérioniques ou amphotères, cationiques, solubles, agents de coagulation et de floculation, ou une combinaison de ces polymères, ainsi que des procédés de réduction de salissures sur la membrane, d'augmentation du flux membranaire et de réduction de production de boues.
Collins John H.
Musale Deepak A.
Salmen Kristine S.
Ward Willam J.
Yoon Seong-Hoon
Bcf Llp
Nalco Company
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