Method of producing a liquid agent for improving the quality of

Details Method of producing a liquid agent for improving the quality of Method of producing a liquid agent for improving the quality of

1981-11-03

1983-09-06

Kittle, John E.

Compositions

Water-softening or purifying or scale-inhibiting agents

252181, 210702, 210723, 210724, 210716, 423155, 423158, 423190, 423205, 423208, C02F 502, C02F 508

Patent

active

044028504

ABSTRACT:
A method is disclosed of producing a liquid agent for improving the quality of contaminated water, particularly water in pools, natural bodies of water and waste waters, characterized by introducing with agitation comminuted rock-salt clay or a mixture thereof with rock-salt deads into an aqueous solution or suspension of an inorganic base, stirring the resultant mixture for 2 to 5 (preferably 3) hours, thereupon adjusting the pH of the resultant solution to a value of between 7.5 and 10.5 (and preferably between 9.5 and 10.5) by means of the addition of acid or alkali, and removing undissolved portions from the solution.

REFERENCES:
patent: 1563613 (1925-12-01), Dolbear
patent: 2412560 (1946-12-01), Bolton
patent: 2496290 (1950-02-01), Hampel
patent: 3751559 (1973-08-01), Kanno et al.
patent: 3904520 (1975-09-01), Daney
patent: 4162297 (1979-07-01), Aubry et al.
patent: 4336232 (1982-06-01), Moritz

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