Backwash recovery

Details Backwash recovery Backwash recovery

C - Chemistry, Metallurgy

02

F

362/26

C02F 1/42 (2006.01) B01D 37/00 (2006.01) G21F 9/04 (2006.01)

Patent

CA 1047657

ABSTRACT OF THE DISCLOSURE A method for recovering and reusing liquid used to backwash a precoated filter in which the backwash liquid used in a previous backwashing cycle is passed through a filter that is about to be backwashed. The used backwash liquid is treated by the remaining capacity in the filter precoat, and is then used to backwash the filter. This backwash liquid is recovered for later treatment and use in another backwashing cycle.

239640

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