Removal of solid contaminants from tar and tar-like products

Details Removal of solid contaminants from tar and tar-like products Removal of solid contaminants from tar and tar-like products

1975-02-27

1976-11-16

Levine, Herbert

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

Solvent extraction

208 39, C10C 100

Patent

active

039922812

ABSTRACT:
A method of separating tar from solid contaminant including the steps of dissolving the tar in a compatible solvent; and separating dissolved tar from solid material. Preferably, contaminated tar is caused to flow in a stream; solvent is introduced into the stream of contaminated tar; the contaminated tar and the solvent are caused to flow together a predetermined distance to permit dissolution of tar; and a diluted tar fraction is separated from a solid contaminant fraction.

REFERENCES:
patent: 1988714 (1935-01-01), Bray
patent: 2449404 (1948-09-01), Miller

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