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Title:
A SYSTEM, APPARATUS, AND PROCESS FOR LEACHING METAL AND STORING THERMAL ENERGY DURING METAL EXTRACTION
Document Type and Number:
WIPO Patent Application WO/2016/040244
Kind Code:
A3
Abstract:
An environmentally friendly (e.g. no acid, base, or cyanide) system and process for large scale extraction of metal ion into aerobic molten salt (or ionic liquid) and the electrodeposition of metal (e.g. copper, gold, silver, etc.) from the metal ion dissolved in the molten salt. The non-volatile low vapor pressure liquid salt is reusable, and heat from the molten slag can heat the molten salts or ionic liquids. Another embodiment comprises a one-pot apparatus for the extraction of metal (e.g. copper) from metal earths and electrodepositing the metal using a low melting (209°C) aerated Na-K-Zn chloride salt in which copper metal oxidizes and is converted to soluble copper chloride. When an electrical power supply is connected to the graphite vessel (cathode) and to copper rods in the melt (anodes), then the copper chloride is deposited as copper metal by electroreduction on the bottom of the graphite reaction vessel.

Inventors:
GODINEZ, Andres (Leyendas 6, Col La Encantada, Hermosillo Sonora Mexico, 83224, MX)
GERVASIO, Dominic, Francis (University of Arizona, The Deparmtent ofChemical and Environmental Engineering,1133 E. James E. Rogers Way,Harshbarger 108 PO Box 21001, Tucson AZ, 85721-0011, US)
ELSENTRIECY, Hassan, H. (11 E. Orange Grove Rd, APT #1726Tucson, AZ, 85704, US)
Application Number:
US2015/048823
Publication Date:
June 23, 2016
Filing Date:
September 08, 2015
Export Citation:
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Assignee:
JALBOUT, Abraham, Fouad (6445 N. Tierra de Las Catalinas 60, Tucson, AZ, 85718, US)
GODINEZ, Andres (Leyendas 6, Col La Encantada, Hermosillo Sonora Mexico, 83224, MX)
GERVASIO, Dominic, Francis (University of Arizona, The Deparmtent ofChemical and Environmental Engineering,1133 E. James E. Rogers Way,Harshbarger 108 PO Box 21001, Tucson AZ, 85721-0011, US)
ELSENTRIECY, Hassan, H. (11 E. Orange Grove Rd, APT #1726Tucson, AZ, 85704, US)
International Classes:
C22B4/08; C22B9/18; C22B19/12; H05B7/06
Domestic Patent References:
WO2013022552A22013-02-14
Foreign References:
US20100272999A12010-10-28
US20060050763A12006-03-09
US5109389A1992-04-28
US3953308A1976-04-27
Other References:
See also references of EP 3191610A4
Attorney, Agent or Firm:
SOFER, Joseph (215 Lexington Avenue, Suite 1301New York, NY, 10016, US)
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