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Patent Searching and Data


Title:
METHOD FOR EXTRACTING GOLD FROM AURIFEROUS SAND AND OTHER MATERIALS
Document Type and Number:
WIPO Patent Application WO/1997/040198
Kind Code:
A1
Abstract:
This invention pertains to a method for extracting gold from poor auriferous sands and other materials. The sand is moistened with alkaline water, following which it is crushed and ground so that the gold particles are released from the sand grains. The sand is crushed and ground in conical mills.

Inventors:
MIROEVSKY PETR RAVILIEVICH (RU)
AVDEEV BORIS VIKTOROVICH (RU)
Application Number:
PCT/RU1996/000098
Publication Date:
October 30, 1997
Filing Date:
April 24, 1996
Export Citation:
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Assignee:
MIROEVSKY PETR RAVILIEVICH (RU)
AVDEEV BORIS VIKTOROVICH (RU)
International Classes:
B03B1/00; C22B1/00; C22B11/00; (IPC1-7): C22B11/00; B03B7/00
Foreign References:
US4199441A1980-04-22
DE3222862A11983-12-22
DE3023931A11982-01-14
Other References:
M.A. MERETUKOV et al., "Metallurgya Blagorodnykh Metallov (Zarubezhny Opyt)", 1991, Izdatelstvo "Metallurgya", (Moscow), pages 57-74.
V.V. LODEISCHIKOV, "Izvlechenie Zolota iz Upornykh Rud i Kontsentratov", 1968, Izdatelstvo "Nedra", (Moscow), pages 19-22.
"Tekhnika i Tekhnologya Izvlerenya Zolota iz Rud za Rubezhom", (Under Editorship V.V. LADEISCHIKOVA), 1973, Izdatelstvo "Metallurgya", (Moscow), pages 40-67, 79-83.
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