B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 39/10 (2006.01) B01D 35/027 (2006.01) B01D 65/08 (2006.01) C02F 1/00 (2006.01) C02F 1/44 (2006.01)
Patent
CA 2612822
A static screen used upstream of a membrane assembly within a water treatment system has a screening surface with a number of openings distributed over its area. Liquid flows through the screening surface to reach the membrane assembly. Various shapes of screening surfaces are described including undulating panels and geometric shapes. Methods for cleaning the screen are described including aeration and backwashing. Various treatment systems or process designs incorporating the screen are described.
L'invention concerne un filtre statique utilisé en amont d'un ensemble membrane disposé à l'intérieur d'un système de traitement d'eau qui comprend une surface de filtrage présentant un certain nombre d'ouvertures réparties sur sa surface. Le liquide coule à travers la surface de filtrage afin d'atteindre l'ensemble membrane. Diverses formes de surfaces de filtrage sont décrites, notamment des panneaux ondulants et des formes géométriques. L'invention concerne également des procédés de nettoyage du filtre, de type par aération et lavage à contre-courant. L'invention concerne en outre divers systèmes ou conceptions de traitement comprenant ledit filtre.
Adnan Ali
Cote Pierre Lucien
Liu Minggang
Pawloski Jennifer Lynn
Simon Rafael David
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Zenon Technology Partnership
LandOfFree
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