Water and wastewater treatment system with internal recirculatio

Details Water and wastewater treatment system with internal recirculatio Water and wastewater treatment system with internal recirculatio

1996-10-02

1998-09-01

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210713, 210714, 210727, 210738, C02F 156

Patent

active

058007172

ABSTRACT:
A sedimentation device for treating water and wastewater utilizing differential sedimentation and recirculation in an internal recirculation reactor with an upflow zone and a downflow zone within a settling tank. Inert particles are added to the internal recirculation reactor to increase the growth rate of forming flocs and increase the differential sedimentation of the flocs in the downflow zone.

REFERENCES:
patent: 3350302 (1967-10-01), Demeter et al.
patent: 4536286 (1985-08-01), Nugent
patent: 4775468 (1988-10-01), Peterson
patent: 4927543 (1990-05-01), Bablon et al.
patent: 4997573 (1991-03-01), Browne

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