Method for removing suspended inert solids from a waste stream

Details Method for removing suspended inert solids from a waste stream Method for removing suspended inert solids from a waste stream

1997-04-29

1998-10-20

Reifsnyder, David A.

Liquid purification or separation

Processes

Treatment by living organism

210621, 210623, 210787, 210788, 210800, 210803, 210804, 210805, 210806, C02F 300

Patent

active

058242228

ABSTRACT:
Recycling apparatus for use in a closed-loop waste-treatment system includes components for removal of inert materials. Typically, the system includes a treatment vessel used in conjunction with a clarifier in an internal recycle configuration; clear water from the top of the clarifier is conducted away from the system as treated effluent, while a portion of the biomass settling at the bottom of the clarifier is returned to the head of the treatment vessel through a hydrocyclone and screen arrangement to remove inert content, thereby substantially increasing the efficiency of biological waste-digestion processes.

REFERENCES:
patent: 3964998 (1976-06-01), Bernard
patent: 4056465 (1977-11-01), Spector
patent: 4527947 (1985-07-01), Elliot
patent: 5316682 (1994-05-01), Keyser et al.

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