B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 65/00 (2006.01)
Patent
CA 2660206
A method of backwashing a membrane filtration system comprising at least one permeable hollow membrane, the method comprising the step of applying a low-pressure gas to the permeate remaining present in the system when the filtration process is stopped or suspended to provide liquid for backwashing the pores of the membrane during a backwashing process.
La présente invention concerne un procédé de réextraction d'un système de filtration à membrane comprenant au moins une membrane creuse perméable. Le procédé consiste à appliquer au perméat subsistant dans le système un gaz basse pression lorsque le processus de filtration est arrêté ou suspendu, de façon à amener du liquide permettant de traiter par réextraction les pores de la membrane pendant le processus de réextraction.
Biltoft Bruce Gregory
Cao Zhiyi
Lazaredes Huw Alexander
Ly Lyvonne
Zha Fufang
Bull Housser & Tupper Llp
Siemens Industry Inc
Siemens Water Technologies Corp.
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