[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Miltzarek et al., 2002 - Google Patents

Cyanide recovery in hydrometallurgical plants: use of synthetic solutions constituted by metallic cyanide complexes

Miltzarek et al., 2002

Document ID
16787292712826239325
Author
Miltzarek G
Sampaio C
Cortina J
Publication year
Publication venue
Minerals Engineering

External Links

Snippet

Cyanide compounds are widely used in gold ore processing plants in order to facilitate the extraction and subsequent concentration of the precious metal. Owing to the high cyanide concentrations employed in gold processing, effluents generated have high contents of free …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/16Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
    • C22B3/1608Leaching with acyclic or carbocyclic agents
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/18Extraction of metal compounds from ores or concentrates by wet processes with the aid of micro-organisms or enzymes, e.g. bacteria or algae
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/08Obtaining noble metals by cyaniding
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/0004Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/0005Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds, e.g. acyclic or carbocyclic compounds, heterocyclic compounds, organo- metallic compounds, alcohols, ethers, or the like
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/12Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/04Obtaining noble metals by wet processes
    • C22B11/042Recovery of noble metals from waste materials
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0063Hydrometallurgy
    • C22B15/0065Leaching or slurrying
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B13/00Obtaining lead
    • C22B13/04Obtaining lead by wet processes

Similar Documents

Publication Publication Date Title
Anning et al. Determination and detoxification of cyanide in gold mine tailings: A review
Li et al. A review of gold leaching in acid thiourea solutions
Gökelma et al. A review on alternative gold recovery re-agents to cyanide
Miltzarek et al. Cyanide recovery in hydrometallurgical plants: use of synthetic solutions constituted by metallic cyanide complexes
Ubaldini et al. An innovative thiourea gold leaching process
Örgül et al. Reaction chemistry of gold leaching in thiourea solution for a Turkish gold ore
Buzatu et al. Study concerning the recovery of zinc and manganese from spent batteries by hydrometallurgical processes
Feng et al. Thiosulphate leaching of gold in the presence of ethylenediaminetetraacetic acid (EDTA)
Aazami et al. The effect of solution parameters on the thiosulfate leaching of Zarshouran refractory gold ore
Melashvili et al. Dissolution of gold during pyrite oxidation reaction
Gönen et al. Recovery of cyanide in gold leach waste solution by volatilization and absorption
Alonso-González et al. Copper cyanide removal by precipitation with quaternary ammonium salts
Altinkaya et al. Leaching of trace amounts of metals from flotation tailings in cupric chloride solutions
CN105861852A (en) Cyaniding-free gold extraction method
Erust et al. A novel approach based on solvent displacement crystallisation for iron removal and copper recovery from solutions of semi-pilot scale bioleaching of WPCBs
Dai et al. Cyanide and copper cyanide recovery by activated carbon
Feng et al. Effect of thiosulphate salts on ammoniacal thiosulphate leaching of gold
Merli et al. Recovery of precious metals from printed circuit boards by cyanogenic bacteria: optimization of cyanide production by statistical analysis
Jeffrey et al. A kinetic and electrochemical study of the ammonia cyanide process for leaching gold in solutions containing copper
JPH06508179A (en) Metal recovery method
Alonso-González et al. Copper removal from cyanide solutions by acidification
CN105378121A (en) Method of preparing a gold-containing solution and process arrangement for recovering gold and silver
Feng et al. The effect of sulphur species on thiosulphate leaching of gold
Ibarra-Galvan et al. Role of oxygen and ammonium ions in silver leaching with thiosulfate–ammonia–cupric ions
Hol et al. Bio-reduction of elemental sulfur to increase the gold recovery from enargite