System and apparatus for control and optimization of filtration

Details System and apparatus for control and optimization of filtration System and apparatus for control and optimization of filtration

1978-02-13

1979-04-24

Sever, Frank

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 65, 210 96R, 210101, 210102, 210105, 210111, 210137, B01D 2512, C02B 118, C02B 306, C02C 140

Patent

active

041510801

ABSTRACT:
A process control apparatus and system for dewatering a solids ladened slurry of water and waste water embodying one or more of four primary process control techniques, depending upon the particular process application.
The four process control techniques are (1) monitoring of the instantaneous solids concentration increase in the dewatering unit, (2) measurement of the rate of change of the solids concentration increase with respect to time, (3) controlled pumping to produce a substantially constant flow rate in the effluent from the dewatering unit until the terminal dewatering pressure is reached, and (4) variation of the amount of conditioning agents added to the influent slurry in response to one or more control signals derived from other components of the dewatering system and apparatus.

REFERENCES:
patent: 3256902 (1966-06-01), Porter
patent: 3393149 (1968-07-01), Conley et al.
patent: 3441136 (1969-04-01), Serfass et al.
patent: 3502210 (1970-03-01), Busse et al.
patent: 3605775 (1971-09-01), Zaander et al.
patent: 3677406 (1972-07-01), King et al.
patent: 3759387 (1973-09-01), Drayton
patent: 3957637 (1976-05-01), Morey
patent: 3992301 (1976-11-01), Shippey et al.
patent: 4021341 (1977-05-01), Cosentino et al.
patent: 4045342 (1977-08-01), Kuster et al.

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