FI833447L - Lakning av ljusbrytande guldmalmer - Google Patents

Lakning av ljusbrytande guldmalmer Download PDF

Info

Publication number: FI833447L
Authority: FI; Finland
Prior art keywords: ljusbrytande; lakning; guldmalmer; ljusbrytande guldmalmer
Prior art date: 1982-10-25

Application number

FI833447A

Other languages

English (en)

Other versions

FI75601C (fi

FI75601B (fi

FI833447A0 (fi

Inventor

Colin Walter Alexander Muir

Leonard Pierre Hendriks

Original Assignee

Johannesburg Cons Invest

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.)

1982-10-25

Filing date

1983-09-26

Publication date

1984-04-26

1983-09-26 Application filed by Johannesburg Cons Invest filed Critical Johannesburg Cons Invest

1983-09-26 Publication of FI833447A0 publication Critical patent/FI833447A0/fi

1984-04-26 Publication of FI833447L publication Critical patent/FI833447L/fi

1988-03-31 Application granted granted Critical

1988-03-31 Publication of FI75601B publication Critical patent/FI75601B/fi

1988-07-11 Publication of FI75601C publication Critical patent/FI75601C/fi

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

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacture And Refinement Of Metals (AREA)
Inorganic Compounds Of Heavy Metals (AREA)

FI833447A 1982-10-25 1983-09-26 Foerfarande foer lakning av svaorhanterliga guldmalmer. FI75601C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ZA827780		1982-10-25
ZA8207780		1982-10-25

Publications (4)

Publication Number	Publication Date
FI833447A0 FI833447A0 (fi)	1983-09-26
FI833447L true FI833447L (fi)	1984-04-26
FI75601B FI75601B (fi)	1988-03-31
FI75601C FI75601C (fi)	1988-07-11

Family

ID=25576335

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI833447A FI75601C (fi)	1982-10-25	1983-09-26	Foerfarande foer lakning av svaorhanterliga guldmalmer.

Country Status (7)

Country	Link
US (1)	US4559209A (fi)
AU (1)	AU554417B2 (fi)
BR (1)	BR8305868A (fi)
CA (1)	CA1215843A (fi)
FI (1)	FI75601C (fi)
SE (1)	SE458930B (fi)
ZW (1)	ZW18883A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4816234A (en) *	1985-05-10	1989-03-28	Kamyr, Inc.	Utilization of oxygen in leaching and/or recovery procedures employing carbon
US4979987A (en)	1988-07-19	1990-12-25	First Miss Gold, Inc.	Precious metals recovery from refractory carbonate ores
SE521482C2 (sv) *	1999-11-17	2003-11-04	Boliden Mineral Ab	Sätt att öka lakutbytet av guld vid cyonidbehandling
US7604783B2 (en)	2004-12-22	2009-10-20	Placer Dome Technical Services Limited	Reduction of lime consumption when treating refractor gold ores or concentrates
US8061888B2 (en)	2006-03-17	2011-11-22	Barrick Gold Corporation	Autoclave with underflow dividers
US8252254B2 (en)	2006-06-15	2012-08-28	Barrick Gold Corporation	Process for reduced alkali consumption in the recovery of silver
US8025859B2 (en) *	2007-05-18	2011-09-27	Cesl Limited	Process for gold and silver recovery from a sulphide concentrate
AU2014339764B2 (en) *	2013-10-21	2017-10-12	Glencore Technology Pty Ltd	Leaching of minerals

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US732639A (en) *	1902-06-21	1903-06-30	Thomas B Joseph	Gold-extracting process.
US801470A (en) *	1904-12-28	1905-10-10	Charles W Merrill	Process of treating precious-metal-bearing materials.
US1002447A (en) *	1910-01-17	1911-09-05	Just Mining & Extraction Company	Process of treating refractory sulfid ores.
US1198011A (en) *	1915-03-02	1916-09-12	Portland Gold Mining Company	Method of extracting precious metals from their ores.
DE3126234A1 (de) *	1981-07-03	1983-01-20	Metallgesellschaft Ag, 6000 Frankfurt	Verfahren zum auslaugen von gold und silber
US4401468A (en) *	1983-01-28	1983-08-30	Henderson Charles T	Process for removing precious metals from ore

1983
- 1983-08-31 ZW ZW188/83A patent/ZW18883A1/xx unknown
- 1983-09-06 US US06/529,587 patent/US4559209A/en not_active Expired - Lifetime
- 1983-09-06 CA CA000436091A patent/CA1215843A/en not_active Expired
- 1983-09-08 AU AU18928/83A patent/AU554417B2/en not_active Ceased
- 1983-09-22 SE SE8305113A patent/SE458930B/sv not_active IP Right Cessation
- 1983-09-26 FI FI833447A patent/FI75601C/fi not_active IP Right Cessation
- 1983-10-24 BR BR8305868A patent/BR8305868A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
FI75601C (fi)	1988-07-11
ZW18883A1 (en)	1983-11-23
AU1892883A (en)	1984-05-03
BR8305868A (pt)	1984-05-29
FI75601B (fi)	1988-03-31
AU554417B2 (en)	1986-08-21
CA1215843A (en)	1986-12-30
SE8305113D0 (sv)	1983-09-22
US4559209A (en)	1985-12-17
SE458930B (sv)	1989-05-22
SE8305113L (sv)	1984-04-26
FI833447A0 (fi)	1983-09-26

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Legal Events

Date	Code	Title	Description
1995-11-29	PC	Transfer of assignment of patent	Owner name: CONSOLIDATED MURCHISON LIMITED
1998-01-07	PC	Transfer of assignment of patent	Owner name: CONSOLIDATED MURCHISON LIMITED
1998-09-26	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: CONSOLIDATED MURCHISON LIMITED