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BR9602355A - Process for gold and platinum extraction and production through pressure cyanidation - Google Patents

Process for gold and platinum extraction and production through pressure cyanidation

Info

Publication number
BR9602355A
BR9602355A BR9602355A BR9602355A BR9602355A BR 9602355 A BR9602355 A BR 9602355A BR 9602355 A BR9602355 A BR 9602355A BR 9602355 A BR9602355 A BR 9602355A BR 9602355 A BR9602355 A BR 9602355A
Authority
BR
Brazil
Prior art keywords
gold
production
pressure cyanidation
platinum extraction
platinum
Prior art date
Application number
BR9602355A
Other languages
Portuguese (pt)
Inventor
Souza Costa Renato De
Vanessa Macedo Torres De
Original Assignee
Vale Do Rio Doce 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 Vale Do Rio Doce Co filed Critical Vale Do Rio Doce Co
Priority to BR9602355A priority Critical patent/BR9602355A/en
Priority to ZA9703238A priority patent/ZA973238B/en
Priority to CA 2204424 priority patent/CA2204424C/en
Publication of BR9602355A publication Critical patent/BR9602355A/en

Links

BR9602355A 1996-05-03 1996-05-03 Process for gold and platinum extraction and production through pressure cyanidation BR9602355A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR9602355A BR9602355A (en) 1996-05-03 1996-05-03 Process for gold and platinum extraction and production through pressure cyanidation
ZA9703238A ZA973238B (en) 1996-05-03 1997-04-16 Process for the extraction and production of gold and platinum-group metals through cyanidation under pressure.
CA 2204424 CA2204424C (en) 1996-05-03 1997-05-02 Process for the extraction and production of gold and platinum-group metals through cyanidation under pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9602355A BR9602355A (en) 1996-05-03 1996-05-03 Process for gold and platinum extraction and production through pressure cyanidation

Publications (1)

Publication Number Publication Date
BR9602355A true BR9602355A (en) 1998-09-01

Family

ID=4064369

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9602355A BR9602355A (en) 1996-05-03 1996-05-03 Process for gold and platinum extraction and production through pressure cyanidation

Country Status (3)

Country Link
BR (1) BR9602355A (en)
CA (1) CA2204424C (en)
ZA (1) ZA973238B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE521482C2 (en) * 1999-11-17 2003-11-04 Boliden Mineral Ab Ways to increase the lacquer exchange of gold during cyonide treatment
AUPS167402A0 (en) 2002-04-11 2002-05-16 Platinum Australia Limited Method for extracting pgms
US8025859B2 (en) 2007-05-18 2011-09-27 Cesl Limited Process for gold and silver recovery from a sulphide concentrate

Also Published As

Publication number Publication date
CA2204424A1 (en) 1997-11-03
CA2204424C (en) 2005-07-12
ZA973238B (en) 1998-06-01

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 03/05/2016