CA2204424C - Procede pour l'extraction et la production d'or et de metaux du groupe du platine par cyanuration sous pression - Google Patents

Procede pour l'extraction et la production d'or et de metaux du groupe du platine par cyanuration sous pression Download PDF

Info

Publication number: CA2204424C
Authority: CA; Canada
Prior art keywords: cyanidation; gold; pressure; solution; adsorption
Prior art date: 1996-05-03
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.): Expired - Fee Related

Application number

CA 2204424

Other languages

English (en)

Other versions

CA2204424A1 (fr

Inventor

Renato De Souza Costa

Vanessa De Macedo Torres

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.)

Vale SA

Original Assignee

Companhia Vale do Rio Doce

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.)

1996-05-03

Filing date

1997-05-02

Publication date

2005-07-12

1997-05-02 Application filed by Companhia Vale do Rio Doce filed Critical Companhia Vale do Rio Doce

1997-11-03 Publication of CA2204424A1 publication Critical patent/CA2204424A1/fr

2005-07-12 Application granted granted Critical

2005-07-12 Publication of CA2204424C publication Critical patent/CA2204424C/fr

2017-05-02 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 38
239000010931 gold Substances 0.000 title claims abstract description 34
229910052737 gold Inorganic materials 0.000 title claims abstract description 32
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 29
229910052751 metal Inorganic materials 0.000 title claims abstract description 17
239000002184 metal Substances 0.000 title claims abstract description 17
238000000605 extraction Methods 0.000 title claims description 8
150000002739 metals Chemical class 0.000 title claims description 7
238000004519 manufacturing process Methods 0.000 title claims description 6
239000012141 concentrate Substances 0.000 claims abstract description 15
238000001179 sorption measurement Methods 0.000 claims abstract description 14
238000011084 recovery Methods 0.000 claims abstract description 9
239000011347 resin Substances 0.000 claims abstract description 7
229920005989 resin Polymers 0.000 claims abstract description 7
238000005868 electrolysis reaction Methods 0.000 claims abstract description 6
238000001556 precipitation Methods 0.000 claims abstract description 6
239000000463 material Substances 0.000 claims abstract description 3
239000002002 slurry Substances 0.000 claims description 19
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
239000007787 solid Substances 0.000 claims description 9
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 5
235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
235000011941 Tilia x europaea Nutrition 0.000 claims description 5
239000003795 chemical substances by application Substances 0.000 claims description 5
239000003456 ion exchange resin Substances 0.000 claims description 5
229920003303 ion-exchange polymer Polymers 0.000 claims description 5
239000004571 lime Substances 0.000 claims description 5
229910052760 oxygen Inorganic materials 0.000 claims description 5
239000001301 oxygen Substances 0.000 claims description 5
238000013019 agitation Methods 0.000 claims description 4
229910052799 carbon Inorganic materials 0.000 claims description 4
235000011121 sodium hydroxide Nutrition 0.000 claims description 4
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
238000005273 aeration Methods 0.000 claims description 3
230000003113 alkalizing effect Effects 0.000 claims description 3
NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 claims description 3
239000011734 sodium Substances 0.000 claims description 3
229910052708 sodium Inorganic materials 0.000 claims description 3
KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 claims description 2
239000007789 gas Substances 0.000 claims description 2
150000002978 peroxides Chemical class 0.000 claims description 2
239000003463 adsorbent Substances 0.000 claims 1
230000000087 stabilizing effect Effects 0.000 claims 1
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract description 17
239000000243 solution Substances 0.000 abstract description 15
229910052697 platinum Inorganic materials 0.000 abstract description 11
-1 platinum metals Chemical class 0.000 abstract description 6
229910052709 silver Inorganic materials 0.000 abstract description 6
239000004332 silver Substances 0.000 abstract description 6
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract description 3
239000012670 alkaline solution Substances 0.000 abstract description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract description 2
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
239000003792 electrolyte Substances 0.000 abstract 1
238000002336 sorption--desorption measurement Methods 0.000 abstract 1
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 11
229910052763 palladium Inorganic materials 0.000 description 6
238000002386 leaching Methods 0.000 description 5
150000004763 sulfides Chemical class 0.000 description 5
238000003795 desorption Methods 0.000 description 3
238000004090 dissolution Methods 0.000 description 3
238000005188 flotation Methods 0.000 description 3
239000010948 rhodium Substances 0.000 description 3
229910017827 Cu—Fe Inorganic materials 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 2
229910052802 copper Inorganic materials 0.000 description 2
239000010949 copper Substances 0.000 description 2
230000004927 fusion Effects 0.000 description 2
229910052741 iridium Inorganic materials 0.000 description 2
GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
239000007788 liquid Substances 0.000 description 2
229910052759 nickel Inorganic materials 0.000 description 2
229910052762 osmium Inorganic materials 0.000 description 2
SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 2
229910052703 rhodium Inorganic materials 0.000 description 2
MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
229910052707 ruthenium Inorganic materials 0.000 description 2
238000000926 separation method Methods 0.000 description 2
MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 2
229910052717 sulfur Inorganic materials 0.000 description 2
DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical class [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 1
MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical class [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
241000876852 Scorias Species 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
239000010953 base metal Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229910052729 chemical element Inorganic materials 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
238000001035 drying Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000009854 hydrometallurgy Methods 0.000 description 1
239000012535 impurity Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
235000013980 iron oxide Nutrition 0.000 description 1
159000000014 iron salts Chemical class 0.000 description 1
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
238000007885 magnetic separation Methods 0.000 description 1
239000008188 pellet Substances 0.000 description 1
238000005325 percolation Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
238000010583 slow cooling Methods 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
229910052569 sulfide mineral Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1

Landscapes

Manufacture And Refinement Of Metals (AREA)

CA 2204424 1996-05-03 1997-05-02 Procede pour l'extraction et la production d'or et de metaux du groupe du platine par cyanuration sous pression Expired - Fee Related CA2204424C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
BRPI9602355-4		1996-05-03
BR9602355A BR9602355A (pt)	1996-05-03	1996-05-03	Processo para extração e produção de ouro e platinóides através de cianetação sob pressão

Publications (2)

Publication Number	Publication Date
CA2204424A1 CA2204424A1 (fr)	1997-11-03
CA2204424C true CA2204424C (fr)	2005-07-12

Family

ID=4064369

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2204424 Expired - Fee Related CA2204424C (fr)	1996-05-03	1997-05-02	Procede pour l'extraction et la production d'or et de metaux du groupe du platine par cyanuration sous pression

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2160480A4 (fr) *	2007-05-18	2010-12-29	Cesl Ltd	Procédé de récupération de métal précieux à partir d'un minerai ou concentré ou autre matériau de base sulfuré

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE521482C2 (sv) *	1999-11-17	2003-11-04	Boliden Mineral Ab	Sätt att öka lakutbytet av guld vid cyonidbehandling
AUPS167402A0 (en) *	2002-04-11	2002-05-16	Platinum Australia Limited	Method for extracting pgms

1996
- 1996-05-03 BR BR9602355A patent/BR9602355A/pt not_active IP Right Cessation
1997
- 1997-04-16 ZA ZA9703238A patent/ZA973238B/xx unknown
- 1997-05-02 CA CA 2204424 patent/CA2204424C/fr not_active Expired - Fee Related

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2160480A4 (fr) *	2007-05-18	2010-12-29	Cesl Ltd	Procédé de récupération de métal précieux à partir d'un minerai ou concentré ou autre matériau de base sulfuré
AU2008253500B2 (en) *	2007-05-18	2012-08-09	Cesl Limited	Process for precious metal recovery from a sulphide ore or concentrate or other feed material
EP2540846A3 (fr) *	2007-05-18	2013-11-13	CESL Limited	Procédé de récupération de métal précieux à partir d'un minerai sulfuré ou concentré ou autre matériau

Also Published As

Publication number	Publication date
ZA973238B (en)	1998-06-01
BR9602355A (pt)	1998-09-01
CA2204424A1 (fr)	1997-11-03

Legal Events

Date	Code	Title	Description
2001-07-03	EEER	Examination request
2016-06-13	MKLA	Lapsed	Effective date: 20160502

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