B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 41/00 (2006.01)
Patent
CA 2545286
A filter system has a first filter (52) from which solvent is recovered in a cleaning cycle using a rinse fluid in forward flow, and from which particulates are removed using flush gas in reverse flow. At least part of the solvent and the flush gas are recycled to the system, and in still further preferred aspects, filtration of the solvent continues during the cleaning cycle via a bypass circuit (5) through which the solvent is routed to a second filter (53).
L'invention concerne un système filtrant qui comprend un premier filtre (52) à partir duquel le solvant est récupéré lors d'un cycle de nettoyage au moyen d'un fluide de rinçage dans un écoulement avant, et dans lequel les particules sont éliminées au moyen d'un gaz de rinçage dans un écoulement inverse. Au moins une partie du solvant et du gaz de rinçage sont recyclés dans le système. Dans d'autres aspects préférés, un circuit de dérivation (5) qui achemine le solvant vers un second filtre (53) permet à la filtration du solvant de se poursuivre lors du cycle de nettoyage.
Mak John
Nielsen Richard B.
Fluor Technologies Corporation
Smart & Biggar
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