Flocculant control system

Details Flocculant control system Flocculant control system

1990-08-24

1991-04-09

Silverman, Stanley

Liquid purification or separation

Constituent mixture variation responsive

210727, 210745, 210709, 210208, 210143, 209 1, 209 5, B01D 1712, B01D 2130, C02F 152

Patent

active

050062310

ABSTRACT:
A control system having opto-electric detectors responsive to different solids concentrations and character of the solids of a slurry, the output of the detectors controlling the addition of a flocculants to the slurry to optimize coagulation of the materials in the slurry. The detectors having outputs sensing different slurry conditions with the detector outputs being processed to control the addition of different flocculants to the cell.

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patent: 3408293 (1968-10-01), Dajani
patent: 3605775 (1971-09-01), Zaander
patent: 3731807 (1973-05-01), Louboutin
patent: 3835045 (1974-09-01), Hussissian
patent: 4170553 (1979-10-01), Lang
patent: 4226714 (1980-10-01), Furness
patent: 4576723 (1986-03-01), Eisenlauer
patent: 4612123 (1986-09-01), Eustacchio
patent: 4731176 (1988-03-01), MacDonald
patent: 4784764 (1988-11-01), Kleinschnittger
patent: 4797550 (1989-01-01), Nelson
patent: 4797559 (1989-01-01), Oblad
patent: 4810371 (1989-03-01), Fonseca

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