AU2679788A – Process for leaching gold and/or silver from ores or ore concentrates and from noble-metal waste or noble-metal scrap by using cyanide-containing leaching solutions
– Google Patents
AU2679788A – Process for leaching gold and/or silver from ores or ore concentrates and from noble-metal waste or noble-metal scrap by using cyanide-containing leaching solutions
– Google Patents
Process for leaching gold and/or silver from ores or ore concentrates and from noble-metal waste or noble-metal scrap by using cyanide-containing leaching solutions
Info
Publication number
AU2679788A
AU2679788A
AU26797/88A
AU2679788A
AU2679788A
AU 2679788 A
AU2679788 A
AU 2679788A
AU 26797/88 A
AU26797/88 A
AU 26797/88A
AU 2679788 A
AU2679788 A
AU 2679788A
AU 2679788 A
AU2679788 A
AU 2679788A
Authority
AU
Australia
Prior art keywords
noble
metal
leaching
ores
cyanide
Prior art date
1988-01-22
Legal status (The legal status 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 status listed.)
Granted
Application number
AU26797/88A
Other versions
AU604389B2
(en
Inventor
Albert Bahr
Thomas Priesemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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.)
1988-01-22
Filing date
1988-12-12
Publication date
1989-07-27
1988-12-12
Application filed by Degussa GmbH
filed
Critical
Degussa GmbH
1989-07-27
Publication of AU2679788A
publication
Critical
patent/AU2679788A/en
1990-12-13
Application granted
granted
Critical
1990-12-13
Publication of AU604389B2
publication
Critical
patent/AU604389B2/en
2008-12-12
Anticipated expiration
legal-status
Critical
Status
Withdrawn – After Issue
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B11/00—Obtaining noble metals
C22B11/08—Obtaining noble metals by cyaniding
AU26797/88A
1988-01-22
1988-12-12
Process for leaching gold and/or silver from ores or ore concentrates and from noble-metal waste or noble-metal scrap by using cyanide-containing leaching solutions
Withdrawn – After Issue
AU604389B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
DE3801741A
DE3801741C1
(en)
1988-01-22
1988-01-22
DE3801741
1988-01-22
Publications (2)
Publication Number
Publication Date
AU2679788A
true
AU2679788A
(en)
1989-07-27
AU604389B2
AU604389B2
(en)
1990-12-13
Family
ID=6345747
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU26797/88A
Withdrawn – After Issue
AU604389B2
(en)
1988-01-22
1988-12-12
Process for leaching gold and/or silver from ores or ore concentrates and from noble-metal waste or noble-metal scrap by using cyanide-containing leaching solutions
Country Status (9)
Country
Link
US
(1)
US4971625A
(en)
EP
(1)
EP0327695B1
(en)
AR
(1)
AR240176A1
(en)
AU
(1)
AU604389B2
(en)
BR
(1)
BR8900199A
(en)
DE
(1)
DE3801741C1
(en)
NZ
(1)
NZ227675A
(en)
PH
(1)
PH26633A
(en)
ZA
(1)
ZA89137B
(en)
Cited By (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU589818B2
(en)
*
1986-10-31
1989-10-19
Degussa A.G.
A process for leaching noble metals from ores or ore concentrates using cyanide-containing solutions with addition of hydrogen peroxide
WO1990013676A1
(en)
*
1989-04-28
1990-11-15
Cra Services Limited
Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
GB2248633A
(en)
*
1989-04-28
1992-04-15
Cra Services
Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
Families Citing this family (13)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5250272A
(en)
*
1988-09-09
1993-10-05
Degussa Aktiengesellschaft
Process for leaching precious metals with hydrogen-peroxide and a cyanide leaching solution
MY105658A
(en)
*
1989-03-07
1994-11-30
Butler Dean R
Noble metal recovery
DE4017899C1
(en)
*
1990-06-02
1991-11-14
Degussa Ag, 6000 Frankfurt, De
Extn. of silver and gold from ores – by contacting ore with aq. leaching soln. contg. cyanide in presence of peroxo:borate, and sepg. cyano complexes formed
US5336474A
(en)
*
1990-06-02
1994-08-09
Degussa Aktiengesellschaft
Process for leaching of precious metals
AU656899B2
(en)
*
1990-08-16
1995-02-23
University Of The Witwatersrand
Determining cyanide concentration
ES2038535B1
(en)
*
1991-06-14
1994-04-01
Riotinto Minera Sa
PROCEDURE FOR THE HYDROMETALLURGICAL RECOVERY OF NON-IRON METALS IN ASHES OF PIRITAS.
US5368830A
(en)
*
1992-10-15
1994-11-29
Calgon Corporation
Scale control in gold and silver mining heap leach and mill water circuits using polyether polyamino methylene phosphonates
GB9610647D0
(en)
1996-05-21
1996-07-31
British Nuclear Fuels Plc
Decontamination of metal
CA2293691C
(en)
1997-06-09
2006-11-07
Hw Process Technologies, Inc.
Method for separating and isolating precious metals from non precious metals dissolved in solutions
US5961833A
(en)
*
1997-06-09
1999-10-05
Hw Process Technologies, Inc.
Method for separating and isolating gold from copper in a gold processing system
ES2163948B1
(en)
*
1998-07-14
2003-08-01
Consejo Superior Investigacion
HYDROMETALURGICAL PROCEDURE FOR THE GOLD RECOVERY OF MINERALS AND METAL MATERIALS.
US6406675B1
(en)
*
2000-09-13
2002-06-18
Hercules Incorporated
Method for reducing cyanide consumption during processing of gold and silver ores to remove base metals
US20050067341A1
(en)
*
2003-09-25
2005-03-31
Green Dennis H.
Continuous production membrane water treatment plant and method for operating same
Family Cites Families (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US732605A
(en)
*
1902-11-18
1903-06-30
Gustav E Thede
Process of leaching ores.
US3203968A
(en)
*
1959-06-03
1965-08-31
Sebba Felix
Ion flotation method
US3339730A
(en)
*
1962-07-14
1967-09-05
Column Flotation Co Of Canada
Froth flotation method with counter-current separation
US3826723A
(en)
*
1972-07-13
1974-07-30
Elmet Inc
Process for recovering gold and silver
US4421724A
(en)
*
1981-09-08
1983-12-20
Anglo Mineral Resources, Inc.
Extraction method for refractory precious metal ore
CA1221842A
(en)
*
1983-06-03
1987-05-19
Arthur E. Coburn
Treatment of ores
US4786318A
(en)
*
1986-08-14
1988-11-22
Nalco Chemical Company
Thickening of gold process slurries
DE3637082C1
(en)
*
1986-10-31
1988-05-19
Degussa
Process for leaching precious metals from ores or ore concentrates using cyanide solutions with the addition of hydrogen peroxide
1988
1988-01-22
DE
DE3801741A
patent/DE3801741C1/de
not_active
Expired
1988-12-01
EP
EP88120042A
patent/EP0327695B1/en
not_active
Expired – Lifetime
1988-12-12
AU
AU26797/88A
patent/AU604389B2/en
not_active
Withdrawn – After Issue
1988-12-30
US
US07/292,239
patent/US4971625A/en
not_active
Expired – Fee Related
1989
1989-01-06
ZA
ZA89137A
patent/ZA89137B/en
unknown
1989-01-18
AR
AR313016A
patent/AR240176A1/en
active
1989-01-18
BR
BR898900199A
patent/BR8900199A/en
unknown
1989-01-20
PH
PH38080A
patent/PH26633A/en
unknown
1989-01-20
NZ
NZ227675A
patent/NZ227675A/en
unknown
Cited By (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU589818B2
(en)
*
1986-10-31
1989-10-19
Degussa A.G.
A process for leaching noble metals from ores or ore concentrates using cyanide-containing solutions with addition of hydrogen peroxide
WO1990013676A1
(en)
*
1989-04-28
1990-11-15
Cra Services Limited
Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
GB2248633A
(en)
*
1989-04-28
1992-04-15
Cra Services
Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
GB2248633B
(en)
*
1989-04-28
1993-03-17
Cra Services
Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
US5262136A
(en)
*
1989-04-28
1993-11-16
Cra Services Limited
Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
Also Published As
Publication number
Publication date
AU604389B2
(en)
1990-12-13
US4971625A
(en)
1990-11-20
NZ227675A
(en)
1990-04-26
EP0327695A1
(en)
1989-08-16
AR240176A1
(en)
1990-02-28
EP0327695B1
(en)
1992-07-01
ZA89137B
(en)
1989-10-25
DE3801741C1
(en)
1989-06-15
BR8900199A
(en)
1989-09-12
PH26633A
(en)
1992-09-04
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