Clarification of ammonium polyphosphate solutions

Details Clarification of ammonium polyphosphate solutions Clarification of ammonium polyphosphate solutions

1981-04-06

1982-10-19

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

71 36, 210734, 210737, 423305, B01D 2101

Patent

active

043549446

ABSTRACT:
Suspended black carbonaceous material contained in aqueous ammonium polyphosphate solutions, which are derived from impure wet-process phosphoric acid, is removed by mixing such a solution with ionic, water soluble, organic polymers, holding the mixture until the suspended carbonaceous material flocculates and floats to the surface, and separating the flocculated carbonaceous material from the resulting clarified ammonium polyphosphate solution.

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