Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1989-02-13
1991-02-05
Hruskoci, Peter
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
106465, 106487, 209 5, 210728, 210734, 210735, 210778, 501148, 524447, C02F 156
Patent
active
049902628
ABSTRACT:
Aqueous mineral slurries are treated prior to dewatering, to increase throughput, with a condensation product of formaldehyde and dicyandiamide, which may be further reacted with ammonia or an ammonia salt and an alkylenepolyamine or copper chloride.
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