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Patent Searching and Data


Title:
METHOD FOR CONTROLLING SOLIDS/LIQUID DECANT UNIT OPERATIONS AND SYSTEMS
Document Type and Number:
WIPO Patent Application WO/2013/005101
Kind Code:
A3
Abstract:
Provided are methods for dewatering a slurry from the leaching of a valuable ore with an aqueous solution of an effective leaching agent via a solids/liquid decantation system, providing an overflow depleted from solids and an underflow rich in solids that is washed counter-current through a number of solids/liquid decantation stages, the improvement implementing into the process line (a) a first Controller (CI) for monitoring and steering the leach product thickener; and (b) a second Controller (C2) for monitoring and steering the counter-current decanter.

Inventors:
MEGAW, Darren (10 Hibiscus Street, 2194 Randparkridge, ZA)
Application Number:
IB2012/001346
Publication Date:
January 10, 2013
Filing Date:
July 06, 2012
Export Citation:
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Assignee:
COGNIS IP MANAGEMENT GMBH (Henkelstrasse 67, Düsseldorf, 40589, DE)
MEGAW, Darren (10 Hibiscus Street, 2194 Randparkridge, ZA)
International Classes:
C22B3/02; C22B3/04; C22B3/20; C22B3/22
Domestic Patent References:
2000-03-09
Foreign References:
US4096028A1978-06-20
US3106933A1963-10-15
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