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BR9611943A - Process for heat treatment of refractory gold ores - Google Patents

Process for heat treatment of refractory gold ores

Info

Publication number
BR9611943A
BR9611943A BR9611943A BR9611943A BR9611943A BR 9611943 A BR9611943 A BR 9611943A BR 9611943 A BR9611943 A BR 9611943A BR 9611943 A BR9611943 A BR 9611943A BR 9611943 A BR9611943 A BR 9611943A
Authority
BR
Brazil
Prior art keywords
heat treatment
gold ores
refractory gold
refractory
ores
Prior art date
Application number
BR9611943A
Other languages
Portuguese (pt)
Inventor
Gurudas Samant
Peter Sturm
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 BR9611943A publication Critical patent/BR9611943A/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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Catalysts (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
BR9611943A 1995-12-13 1996-12-05 Process for heat treatment of refractory gold ores BR9611943A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1995146538 DE19546538A1 (en) 1995-12-13 1995-12-13 Process for the thermal treatment of refractory gold ores
PCT/EP1996/005453 WO1997021842A1 (en) 1995-12-13 1996-12-05 Process for thermal treatment of refractory gold ores

Publications (1)

Publication Number Publication Date
BR9611943A true BR9611943A (en) 1999-04-06

Family

ID=7780011

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9611943A BR9611943A (en) 1995-12-13 1996-12-05 Process for heat treatment of refractory gold ores

Country Status (6)

Country Link
BR (1) BR9611943A (en)
DE (1) DE19546538A1 (en)
EA (1) EA000477B1 (en)
MX (1) MX9603252A (en)
PE (1) PE85798A1 (en)
WO (1) WO1997021842A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ078399A0 (en) * 1999-06-04 1999-06-24 Tox Free Systems Limited Recovery of gold from gold sulphides
CN102051491B (en) * 2010-11-19 2012-10-24 中南大学 Method for concentrating gold from pyrite inclusion-type gold ore

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB475254A (en) * 1937-04-23 1937-11-16 Mij Voor Zwavelzuurbereiding V A process for extracting metals from oxidic ores and the like
GB677050A (en) * 1949-11-23 1952-08-06 Dorr Co Roasting of arsenopyrite gold-bearing ores
GB682718A (en) * 1950-03-21 1952-11-12 Dorr Co Process for the heat treatment of ores
US4289529A (en) * 1978-10-10 1981-09-15 Hazen Research, Inc. Process for beneficiating sulfide ores
FI89508C (en) * 1990-12-17 1993-10-11 Ahlstroem Oy FOERFARANDE FOER ROSTNING AV SULFIDISKA MALMER
DE69225993T2 (en) * 1991-04-12 1998-12-10 Metallgesellschaft Ag, 60323 Frankfurt Process for treating ore with recoverable metal materials, including arsenic-containing components
DE4314231A1 (en) * 1993-04-30 1994-11-03 Metallgesellschaft Ag Process for roasting refractory gold ores
DE4329417C1 (en) * 1993-09-01 1994-08-18 Metallgesellschaft Ag Process for roasting refractory gold ores

Also Published As

Publication number Publication date
DE19546538A1 (en) 1997-06-19
WO1997021842A1 (en) 1997-06-19
EA199800550A1 (en) 1998-12-24
PE85798A1 (en) 1999-01-23
EA000477B1 (en) 1999-08-26
MX9603252A (en) 1997-06-28

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law