BR9201457A - Lixiviacao de ouro por tioureia - Google Patents

Lixiviacao de ouro por tioureia

Info

Publication number: BR9201457A
Authority: BR; Brazil
Prior art keywords: thiourea; lixiviation; gold; gold lixiviation
Prior art date: 1992-04-13

Application number

BR929201457A

Other languages

English (en)

Inventor

Gedeon Henrique Nobre

Original Assignee

Gedeon Henrique Nobre

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.)

1992-04-13

Filing date

1992-04-13

Publication date

1993-10-19

1992-04-13 Application filed by Gedeon Henrique Nobre filed Critical Gedeon Henrique Nobre

1992-04-13 Priority to BR929201457A priority Critical patent/BR9201457A/pt

1993-10-19 Publication of BR9201457A publication Critical patent/BR9201457A/pt

Links

UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 title 2
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title 1
239000010931 gold Substances 0.000 title 1
229910052737 gold Inorganic materials 0.000 title 1

Classifications

- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling

BR929201457A 1992-04-13 1992-04-13 Lixiviacao de ouro por tioureia BR9201457A (pt)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
BR929201457A BR9201457A (pt)	1992-04-13	1992-04-13	Lixiviacao de ouro por tioureia

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BR929201457A BR9201457A (pt)	1992-04-13	1992-04-13	Lixiviacao de ouro por tioureia

Publications (1)

Publication Number	Publication Date
BR9201457A true BR9201457A (pt)	1993-10-19

Family

ID=4054087

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR929201457A BR9201457A (pt)	1992-04-13	1992-04-13	Lixiviacao de ouro por tioureia

Country Status (1)

Country	Link
BR (1)	BR9201457A (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2000068446A1 (en) *	1999-05-10	2000-11-16	Rio Tinto Technology Development Ltd.	Recovery of noble metals by lixiviation with thiourea controlled acidic solution

1992
- 1992-04-13 BR BR929201457A patent/BR9201457A/pt not_active Application Discontinuation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2000068446A1 (en) *	1999-05-10	2000-11-16	Rio Tinto Technology Development Ltd.	Recovery of noble metals by lixiviation with thiourea controlled acidic solution

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Legal Events

Date	Code	Title	Description
1999-07-06	FA7	Application withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health
2009-12-22	B15K	Others concerning applications: alteration of classification	Ipc: C22B 11/00 (2009.01), C22B 3/00 (2009.01)