Water clarification process

Details Water clarification process Water clarification process

1975-05-30

1977-05-31

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 62, B01D 2101

Patent

active

RE0292419

ABSTRACT:
1. A process for clarifying water which has solid materials suspended therein and which has at least 0.1 ppm of residual chlorine comprising the steps of adding a minor amount of a condensation polymer [[of ammonia and ethylene dichloride]] .Badd.selected from the group consisting of ammonia and polyalkylene polyamine with epichlorohydrin, and ammonia with ethylene dichloride .Baddend.which contains a plurality of basic nitrogen sites in form of quaternary groups to said water to coagulate said suspended solids, and thereafter separating said solids from said water.

REFERENCES:
patent: 3055827 (1962-09-01), Wiley
patent: 3131144 (1964-04-01), Nagan
patent: 3235596 (1966-02-01), Nordgren et al.
patent: 3288770 (1966-11-01), Butler
patent: 3412019 (1968-11-01), Hoover et al.
Baker, R. J., Jour. AWWA, vol. 151, Sept. 1959, pp. 1185-1190.
Pomeroy, R. et al., Jour. AWWA, vol. 42, Sept. 1950, pp. 858-859.
"Research Explaining Contrary Polymers," C & E News, Mar. 11, 1957, pp. 23-24.
"Cationic Coagulant for Water Treatment is Cyclic Polymer," C & E News, Feb. 24, 1964, p. 46.
"Summary of Development Work on Cat-Floc, June 1-July 31, 1963," Peninsular Chemical Research, Inc., 1963.

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