Extraction of reusable water from a mineral mining process

Details Extraction of reusable water from a mineral mining process Extraction of reusable water from a mineral mining process

1980-05-14

1982-01-19

Therkorn, Ernest G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210713, 210725, 210727, 210907, 208 11LE, C02F 154

Patent

active

043115969

ABSTRACT:
A method for the treatment of an aqueous effluent slime derived from a tar sand extraction process is disclosed. The effluent slime pH is adjusted to an acidic pH and treated with an anionic surface active agent to create flocculation of solid asphaltic material entrained within the slime. A solvent solution comprising chlorinated hydrocarbon and a solvent therefor is added so that upon centrifuging of the treated slime three physical layers of material comprising (1) water; (2) asphaltics in the solvent solution and (3) clay are formed.

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Rough Draft Translation of Italian Patent No. 378,454 issued to Spinelli and Issued Feb. 10, 1940.

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