BR9201586A - Processo para a lixiviacao de ouro e prata - Google Patents

Processo para a lixiviacao de ouro e prata

Info

Publication number
BR9201586A
BR9201586A BR929201586A BR9201586A BR9201586A BR 9201586 A BR9201586 A BR 9201586A BR 929201586 A BR929201586 A BR 929201586A BR 9201586 A BR9201586 A BR 9201586A BR 9201586 A BR9201586 A BR 9201586A
Authority
BR
Brazil
Prior art keywords
peroxoborate
gold
leached
silver
mill
Prior art date
Application number
BR929201586A
Other languages
English (en)
Inventor
Juergen Loroesch
Annette Ziegler
Original Assignee
Degussa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6430935&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9201586(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Degussa filed Critical Degussa
Publication of BR9201586A publication Critical patent/BR9201586A/pt

Links

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)
  • Chemically Coating (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Switches (AREA)
BR929201586A 1991-05-03 1992-04-29 Processo para a lixiviacao de ouro e prata BR9201586A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4114514A DE4114514A1 (de) 1991-05-03 1991-05-03 Verfahren zur laugung von gold und silber

Publications (1)

Publication Number Publication Date
BR9201586A true BR9201586A (pt) 1992-12-15

Family

ID=6430935

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929201586A BR9201586A (pt) 1991-05-03 1992-04-29 Processo para a lixiviacao de ouro e prata

Country Status (9)

Country Link
EP (1) EP0512247B1 (pt)
AT (1) ATE134712T1 (pt)
AU (1) AU642087B2 (pt)
BR (1) BR9201586A (pt)
CA (1) CA2067841A1 (pt)
DE (2) DE4114514A1 (pt)
ES (1) ES2084203T3 (pt)
ZA (1) ZA923190B (pt)
ZW (1) ZW4892A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19829274C2 (de) * 1998-07-01 2002-06-20 Otb Oberflaechentechnik Berlin Verfahren zur Rückgewinnung von Edelmetallen
DE102020209884A1 (de) 2020-08-05 2022-02-10 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Gewinnung von Gold
DE102020209880A1 (de) 2020-08-05 2022-02-10 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Gewinnung von mindestens einem Edelmetall
DE102020209885A1 (de) 2020-08-05 2022-02-10 Robert Bosch Gesellschaft mit beschränkter Haftung Kugelmühle und Verfahren zur Gewinnung von Gold und/oder Silber und/oder mindestens einem Platinmetall

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU587850B2 (en) * 1985-08-26 1989-08-31 Bendigo Gold Associates Pty. Ltd. A method of pre-treating an ore with hot alkali to improve the recovery of metal valves
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

Also Published As

Publication number Publication date
ES2084203T3 (es) 1996-05-01
ATE134712T1 (de) 1996-03-15
CA2067841A1 (en) 1992-11-04
DE4114514A1 (de) 1992-11-05
EP0512247A2 (de) 1992-11-11
EP0512247A3 (en) 1993-05-05
ZW4892A1 (en) 1993-02-17
AU1596092A (en) 1992-11-05
EP0512247B1 (de) 1996-02-28
AU642087B2 (en) 1993-10-07
DE59205427D1 (de) 1996-04-04
ZA923190B (en) 1993-01-27

Similar Documents

Publication Publication Date Title
GR1002301B (el) Ανακτηση ευγενων μεταλλων.
ES8609495A1 (es) Procedimiento para recuperar oro de un concentrado aurifero conteniendo hierro
NO964011L (no) Hydrometallurgisk ekstraksjonsfremgangsmåte
ZA876329B (en) A process for leaching noble metals from ores or ore concentrates using cyanide-containing solutions with addition of hydrogen peroxide
ZA89137B (en) 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
MX160862A (es) Metodo para recuperar oro y plata a partir de escorias doradas
ES8205435A1 (es) Un procedimiento para la separacion de oro y plata de menas sulfuradas complejas y concentrados sulfurados complejos
BR9201586A (pt) Processo para a lixiviacao de ouro e prata
EP0316094A3 (en) Separation process
CA2043654A1 (en) Process for leaching of precious metals
ZW18188A1 (en) Process for leaching gold and/or silver from ore concentrates and from noble-metal waste or noble-metal scrap by using cyanide containing leaching solutions
Bruynesteyn et al. The biotankleach process for the treatment of refractory gold/silver concentrates
Wang et al. Experimental Studies on Flotation--Cyanidation of Arsenical Gold Ore
Xiang et al. Behavior of elemental sulphur in biooxidation of gold-bearing sulphide ores
Esna-Ashari et al. Extraction of gold from Torco tailings
Nunez et al. A non-integral process for the recovery of gold, silver, copper and zinc values contained in Spanish pyrite cinders
Lulham Separation process
RU94013881A (ru) Способ обогащения сульфидных полиметаллических золотосодержащих руд и продуктов
Huff et al. Chloride process for precious metals recovery
Spacek et al. Semiprocessing Trials of Direct Cyaniding of Goldbearing Ores
Weichselbaum et al. Improved gold recovery by cyanidation--a kinetic problem
Klisuranov et al. Requirements for Processing Ferrous Metal Ores Resulting From Trends in Ferrous Metallurgy Development
Van Weert et al. Aqueous Pressure Oxidation of Silver-Bearing Cyanide Refractory Concentrates in Acidic Sulfate and Sulfate-Iodide Media
Oros et al. Continuous Pilot Experiments for Bacterial Leaching of the Refractory Arsenious Gold-Bearing Pyrite Concentrate Suior(Romania)
Predali Treatment of a Complex Auriferous Ore

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law