Removing or decreasing iron-caused yellow color in a solution

Details Removing or decreasing iron-caused yellow color in a solution Removing or decreasing iron-caused yellow color in a solution

1985-01-22

1987-12-01

Guynn, Herbert B.

Compositions

Leather or fur treating

210702, 210912, 210917, B01D 2100, E21B 4300

Patent

active

047103060

ABSTRACT:
A process for decolorizing iron-caused yellow color in brine solutions comprising adding a small amount of a soluble metal salt such as alugenite to the brine solution, neutralizing the solution and then filtering the solution to obtain a solution of a desired degree of clarity.

REFERENCES:
patent: 2218053 (1940-10-01), Schwabe et al.
patent: 2238930 (1941-04-01), Chamberlain et al.
patent: 4071450 (1978-01-01), Paul
patent: 4292183 (1981-09-01), Sanders
patent: 4419246 (1983-12-01), Jayawant
patent: 4465598 (1984-08-01), Darlington et al.
patent: 4472285 (1984-09-01), Carley et al.
patent: 4515699 (1985-05-01), Oliver et al.

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