Activated sludge process with in situ recovery of powdered adsor

Details Activated sludge process with in situ recovery of powdered adsor Activated sludge process with in situ recovery of powdered adsor

1990-03-30

1991-11-26

Silverman, Stanley S.

Liquid purification or separation

Processes

Treatment by living organism

210607, 210616, 210625, 210764, C02F 300, C02F 308

Patent

active

050680366

ABSTRACT:
An improved powdered adsorbent enhanced sludge process for the treatment of wastewater is disclosed that allows for in situ recovery of unregenerated powdered adsorbent. In situ recovery is performed by contacting a mixture of activated sludge and spent powdered adsorbent at disassociation conditions whereby cell lysis occurs. The cell lysis allows for physical separation of the spent powdered adsorbent from the activated sludge, thus allowing for recycle of adsorbent without the need for a regeneration process.

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