Method for clarifying slimes

Details Method for clarifying slimes Method for clarifying slimes

1980-08-14

1981-10-20

Granger, Theodore A.

Liquid purification or separation

Processes

Using magnetic force

C02B 902

Patent

active

042959713

ABSTRACT:
The present invention provides a method for clarifying slimes. This method comprises the steps of treating a slime with a unique flocculant and separating the clarified slime from the aggregated floccules. The flocculant is a stabilized aqueous-base magnetic colloid that contains colloidal magnetic particles and at least one surfactant, such as dodecylamine. The magnetic colloid becomes unstable and the magnetic particles thereof irreversibly flocculate when the magnetic colloid is sufficiently diluted.

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patent: 4107063 (1978-08-01), Kovac et al.
patent: 4208294 (1980-06-01), Khalafalla et al.

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