PE11195A1 - PROCEDURE FOR TOASTING REFRACTORY GOLD MINERALS - Google Patents

PROCEDURE FOR TOASTING REFRACTORY GOLD MINERALS

Info

Publication number
PE11195A1
PE11195A1 PE1994248998A PE24899894A PE11195A1 PE 11195 A1 PE11195 A1 PE 11195A1 PE 1994248998 A PE1994248998 A PE 1994248998A PE 24899894 A PE24899894 A PE 24899894A PE 11195 A1 PE11195 A1 PE 11195A1
Authority
PE
Peru
Prior art keywords
toasting
minerals
procedure
hydrocarbons
production
Prior art date
Application number
PE1994248998A
Other languages
Spanish (es)
Inventor
Gurudas Samant
Peter Sturm
Hans-Hermann Kofalck
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of PE11195A1 publication Critical patent/PE11195A1/en

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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/06—Sulfating roasting
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Catalysts (AREA)

Abstract

SE REFIERE A UN PROCESO PARA TOSTAR MINERALES DE ORO QUE CONTIENEN ARSENOPIRITAS O PIRITAS, TAMBIEN LLAMADOS REFRACTARIOS, CON UN TAMANO DE PARTICULA MENOR DE 1 µm, EN PRESENCIA DE COMBUSTIBLES AUXILIARES EN UNA ATMOSFERA OXIDANTE EN UN LECHO FLUIDIZADO; CARACTERIZADO PORQUE UTILIZA COMO COMBUSTIBLE AZUFRE Y/O PIRITA Y LA TOSTACION ES REALIZADA A UNA TEMPERATURA DE 400°C A 650°C, PARA LOGRAR UNA BUENA RECUPERACION DE ORO, EN CONJUNTO CON UN SUMINISTRO DE GASES PORTADORES DE OXIGENO Y PUEDE UTILIZAR UN COMBUSTIBLE ADICIONAL COMO: HIDROCARBUROS C1-C16; ALCOHOLES C1-C6; ETERES ORGANICOS C2-C8; CS2; H2S; PROPORCIONANDO ASI UNA BAJA FORMACION DE CO, H2 E HIDROCARBUROS, QUE PERMITE QUE EL SO2 FORMADO EN LA TOSTACION DE LOS MINERALES SE USE EN LA PRODUCCION DE ACIDO SULFURICO SIN ENVENENAR EL CATALIZADOR PARA SU PRODUCCIONREFERS TO A PROCESS TO ROAST GOLD MINERALS CONTAINING ARSENOPIRITES OR PIRITES, ALSO CALLED REFRACTORY, WITH A PARTICULAR SIZE OF LESS THAN 1 µm, IN THE PRESENCE OF AUXILIARY FUELS IN AN OXIDIZING ATMOSPHERE IN A BED; CHARACTERIZED BECAUSE IT IS USED AS SULFUR AND / OR PYRITE FUEL AND THE TOAST IS CARRIED OUT AT A TEMPERATURE OF 400 ° C TO 650 ° C, TO ACHIEVE A GOOD GOLD RECOVERY, TOGETHER WITH A SUPPLY OF USABLE OXYGEN-CARRIING GASES AND CAN BE USED AS: HYDROCARBONS C1-C16; C1-C6 ALCOHOLS; ORGANIC ETERS C2-C8; CS2; H2S; SO PROVIDING A LOW FORMATION OF CO, H2 AND HYDROCARBONS, WHICH ALLOWS SO2 FORMED IN THE TOASTING OF MINERALS TO BE USED IN THE PRODUCTION OF SULFURIC ACID WITHOUT POISONING THE CATALYST FOR ITS PRODUCTION

PE1994248998A 1993-09-01 1994-08-23 PROCEDURE FOR TOASTING REFRACTORY GOLD MINERALS PE11195A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4329417A DE4329417C1 (en) 1993-09-01 1993-09-01 Process for roasting refractory gold ores

Publications (1)

Publication Number Publication Date
PE11195A1 true PE11195A1 (en) 1995-05-06

Family

ID=6496516

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1994248998A PE11195A1 (en) 1993-09-01 1994-08-23 PROCEDURE FOR TOASTING REFRACTORY GOLD MINERALS

Country Status (6)

Country Link
EP (1) EP0641864B1 (en)
AU (1) AU672715B2 (en)
DE (2) DE4329417C1 (en)
ES (1) ES2113050T3 (en)
PE (1) PE11195A1 (en)
ZA (1) ZA946709B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6482373B1 (en) 1991-04-12 2002-11-19 Newmont Usa Limited Process for treating ore having recoverable metal values including arsenic containing components
DE4314231A1 (en) * 1993-04-30 1994-11-03 Metallgesellschaft Ag Process for roasting refractory gold ores
DE19546538A1 (en) * 1995-12-13 1997-06-19 Metallgesellschaft Ag Process for the thermal treatment of refractory gold ores
EP0950122A1 (en) * 1996-08-27 1999-10-20 EMR Microwave Technology Corporation Method for microwave induced oxidation of sulphidic ore material in fluidized bed without sulphur dioxide emissions
US5972302A (en) * 1996-08-27 1999-10-26 Emr Microwave Technology Corporation Method for the microwave induced oxidation of pyritic ores without the production of sulphur dioxide
AUPQ078399A0 (en) * 1999-06-04 1999-06-24 Tox Free Systems Limited Recovery of gold from gold sulphides
NZ532160A (en) * 2001-09-14 2006-10-27 Alexander Beckmann Method for obtaining cobalt and nickel from ores and ore concentrates
EP1327693A1 (en) * 2002-01-12 2003-07-16 Alexander Beckmann Process for extracting cobalt and nickel from ores and ore concentrates
RU2443790C1 (en) * 2010-07-01 2012-02-27 Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" Method for determining content of precious metals in ores and their derivatives
AP2015008652A0 (en) 2013-02-20 2015-08-31 Outotec Finland Oy Process and plant for producing copper and/or cobalt sulfate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103965C1 (en) * 1991-02-09 1992-04-09 Metallgesellschaft Ag, 6000 Frankfurt, De
ES2117028T3 (en) * 1991-04-12 1998-08-01 Metallgesellschaft Ag PROCEDURE FOR THE TREATMENT OF MINERAL WITH VALUE OF RECOVERABLE METALS INCLUDING ARSENIC-CONTAINING COMPONENTS.
US5123956A (en) * 1991-04-12 1992-06-23 Newmont Mining Corporation Process for treating ore having recoverable gold values and including arsenic-, carbon- and sulfur-containing components by roasting in an oxygen-enriched gaseous atmosphere

Also Published As

Publication number Publication date
ES2113050T3 (en) 1998-04-16
DE59405354D1 (en) 1998-04-09
ZA946709B (en) 1995-04-21
AU7158394A (en) 1995-03-16
AU672715B2 (en) 1996-10-10
EP0641864B1 (en) 1998-03-04
DE4329417C1 (en) 1994-08-18
EP0641864A1 (en) 1995-03-08

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Legal Events

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