B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/363, 23/409,
B01D 11/04 (2006.01) B01D 11/02 (2006.01)
Patent
CA 1248326
CONTINUOUS EXTRACTION APPARATUS AND PROCESS ABSTRACT OF THE DISCLOSURE: A continuous extraction apparatus and a continuous extraction process for extracting an extractable component of a liquid or particulate feed material with an immiscible liquid solvent for the extractable component thereof,which apparatus and process are both especially useful for extract- ing glyccrine from soap, utilize an extraction column with oscillate- ably movable contact promoting means therein which move in a horizontal plane and have openings therein through which the immiscible feed and the extracting liquid, in different phases, may pass during oscillations, at which time the contact promot- ing means make repeated contacts with the different phases to renew contact surfaces of the liquids and to bring them into intimate contact with each other, whereby extraction of extractable material from the feed by the extracting liquid is promoted. A plurality of spaced vertical screens position- ed substantially radially from the axis of a cylindrical extraction column constitute preferred contact promoting means which oscillate rotationally and horizontally and thereby help to improve extraction column efficiency while preventing or minimizing axial mixing. Instead of the screens
459340
Colgate-Palmolive Company
Smart & Biggar
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