Purification of aqueous effluents

Details Purification of aqueous effluents Purification of aqueous effluents

1983-07-07

1985-04-23

Nozick, Bernard

Gas: heating and illuminating

Processes

Coal

55 85, C10J 300

Patent

active

045127778

ABSTRACT:
Raw synthesis gases produced by the gasification of coal are treated to remove tars and oils by direct and indirect cooling to produce condensate streams which are treated under high pressure viz 5 to 150 bar to rapidly separate out aqueous and organic phases. Elevated temperatures may then be used to further minimize residence time. The invention is further characterized in that the size of the separation vessels is of several orders of magnitude smaller than used in conventional ambient pressure separation procedures.

REFERENCES:
patent: 3473903 (1969-10-01), Paull et al.
patent: 4031030 (1977-06-01), Rudolf
patent: 4036606 (1977-07-01), Zimmermann et al.
patent: 4084945 (1978-04-01), Chirico

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