BR8800437A - GOLD RECOVERY PROCESS - Google Patents

GOLD RECOVERY PROCESS

Info

Publication number
BR8800437A
BR8800437A BR8800437A BR8800437A BR8800437A BR 8800437 A BR8800437 A BR 8800437A BR 8800437 A BR8800437 A BR 8800437A BR 8800437 A BR8800437 A BR 8800437A BR 8800437 A BR8800437 A BR 8800437A
Authority
BR
Brazil
Prior art keywords
recovery process
gold recovery
gold
recovery
Prior art date
Application number
BR8800437A
Other languages
Portuguese (pt)
Inventor
Rodney H Doft
R J Shields Iii
Original Assignee
Nalco Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of BR8800437A publication Critical patent/BR8800437A/en

Links

BR8800437A 1987-02-05 1988-02-04 GOLD RECOVERY PROCESS BR8800437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1165987A 1987-02-05 1987-02-05

Publications (1)

Publication Number Publication Date
BR8800437A true BR8800437A (en) 1988-09-20

Family

ID=21751420

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8800437A BR8800437A (en) 1987-02-05 1988-02-04 GOLD RECOVERY PROCESS

Country Status (5)

Country Link
JP (1) JPS63195232A (en)
AU (1) AU1096888A (en)
BR (1) BR8800437A (en)
ES (1) ES2008416A6 (en)
ZA (1) ZA88823B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999063123A1 (en) * 1998-06-04 1999-12-09 Betzdearborn Inc. Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ555807A (en) * 2004-12-24 2009-12-24 Basf Ag Use of non-ionic surfactants in a cyanide composition for the production of metals
RU2468103C1 (en) * 2011-06-10 2012-11-27 Денис Игоревич Целюк Method to extract gold from stale tailings of upstream impoundments
RU2493277C1 (en) * 2012-02-01 2013-09-20 Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" (ОАО "Иргиредмет") Extraction method of gold from tails of cyanidation of carbonic sorption-active ores and washed products
RU2666656C1 (en) * 2017-11-22 2018-09-11 Акционерное общество "Полюс Красноярск" Method of gold recovery from sulfide concentrates of flotation containing sorption-active organic carbon

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999063123A1 (en) * 1998-06-04 1999-12-09 Betzdearborn Inc. Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery
US6428597B1 (en) 1998-06-04 2002-08-06 Betzdearborn Inc. Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery

Also Published As

Publication number Publication date
ES2008416A6 (en) 1989-07-16
ZA88823B (en) 1988-08-05
AU1096888A (en) 1988-08-11
JPS63195232A (en) 1988-08-12

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 04/02/2003

B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA C22B 11/04.

Ipc: C22B 11/00 (2006.01)

Ipc: C22B 11/00 (2006.01)