PE85798A1 - PROCEDURE FOR THE HEAT TREATMENT OF REFRACTORY GOLD MINERAL - Google Patents

PROCEDURE FOR THE HEAT TREATMENT OF REFRACTORY GOLD MINERAL

Info

Publication number
PE85798A1
PE85798A1 PE00059096A PE00059096A PE85798A1 PE 85798 A1 PE85798 A1 PE 85798A1 PE 00059096 A PE00059096 A PE 00059096A PE 00059096 A PE00059096 A PE 00059096A PE 85798 A1 PE85798 A1 PE 85798A1
Authority
PE
Peru
Prior art keywords
procedure
heat treatment
refractory gold
gold mineral
mineral
Prior art date
Application number
PE00059096A
Other languages
Spanish (es)
Inventor
Peter Sturm
Gurudas Samant
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 PE85798A1 publication Critical patent/PE85798A1/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)

Abstract

Thermal treatment of refractory gold ores takes place in an oxidizing atmosphere as fuel is added. Water or steam is introduced to reduce emission of nitric oxide and sulphur dioxide into the atmosphere.
PE00059096A 1995-12-13 1996-08-07 PROCEDURE FOR THE HEAT TREATMENT OF REFRACTORY GOLD MINERAL PE85798A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PE85798A1 true PE85798A1 (en) 1999-01-23

Family

ID=7780011

Family Applications (1)

Application Number Title Priority Date Filing Date
PE00059096A PE85798A1 (en) 1995-12-13 1996-08-07 PROCEDURE FOR THE HEAT TREATMENT OF REFRACTORY GOLD MINERAL

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
EP0508542B1 (en) * 1991-04-12 1998-06-24 METALLGESELLSCHAFT Aktiengesellschaft 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
DE4329417C1 (en) * 1993-09-01 1994-08-18 Metallgesellschaft Ag Process for roasting refractory gold ores

Also Published As

Publication number Publication date
WO1997021842A1 (en) 1997-06-19
EA199800550A1 (en) 1998-12-24
DE19546538A1 (en) 1997-06-19
EA000477B1 (en) 1999-08-26
MX9603252A (en) 1997-06-28
BR9611943A (en) 1999-04-06

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Legal Events

Date Code Title Description
AE Restoration of lapsed or forfeited application
FC Refusal