Backwash retention device and method

Liquid purification or separation – Processes – Including controlling process in response to a sensed condition

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Details

210106, 210108, 210791, 210403, 2101951, 210134, 210335, C02F 100

Patent

active

056744030

ABSTRACT:
Means and method of straining process streams of liquid-suspended solid particulates includes a primary industrial strainer having means periodically to remove deposited solids by generating a backwash stream. A backwash retention device (BRD) is provided for straining the backwash stream from the primary strainer. Periodically, after a predetermined number of backwash cycles, solids deposited in the BRD are removed by blowing down the BRD, producing a by-product stream more concentrated in suspended solids than the backwash stream.

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