Apr 01 2014 · The optimal concentrations of thiourea ammonium thiocyanate and ferric sulfate for leaching gold from ore A were 013 M 078 M and 0028 M respectively and the gold extraction was 95 under these conditions The molar ratios of thiourea to thiocyanate to ferric ion were 23 to 139 to 10 respectively in this case...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.
Get PriceBrand Name: Fote Machinery
Application: Ore concentrate/separator plant
Main Equipment : Jaw crusher, impact crusher, hammer crusher, flotation machine, classifier, ball mill, concentrator, etc.
Read MoreFeeding Size: 400-1200mm
Production Capacity: 45-500TPH
Applied Materials: Limestone, granite, basalt, andesite, iron ore, quartz, diabase, iron ore, gold ore, copper ore,etc.
Read MorePower: 7.5-130kw
Cpacity: 10-35TPH
Instruction: Under engineer's guidance
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Related Equipments: PE-750×1060 Jaw crusher , PYFB-0918 Hydraulic cone crusher and 3YK1548 vibrating screen .
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Gold ore whose types of deposits are diverse and complex is the mineral assemblage of gold. With features of chalcophile affinity and high melting point, the gold ore includes conglomerate type, porphyry type, quartz vein type and volcanic rock type, etc.
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In accordance with the field visit of working site and technical guidance, Fote Machinery introduced 3 stages crushing process for our customer.
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This customer is from a construction company in Bamako, Mali. According to our customer's high demand of production capacity and granularity of finished production, our engineer assembled 2 mobile crushing stations of FTM1142E710 model and FTM3S186PYF13 m
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Apr 01 2014 · The optimal concentrations of thiourea ammonium thiocyanate and ferric sulfate for leaching gold from ore A were 013 M 078 M and 0028 M respectively and the gold extraction was 95 under these conditions The molar ratios of thiourea to thiocyanate to ferric ion were 23 to 139 to 10 respectively in this case
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Description The application of ammonium thiosulfate for the treatment of coppergold ores has been investigated Leaching studies were conducted with copper minerals copper minerals with gold addition to solution and coppergold samples of different copper and gold grades The behaviour of thiosulfate tetrathionate and sulfate in solution was studied using ion chromatography
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Feb 01 2001 · Further experiments aimed on the stabilization of TS in solution revealed a gold recovery of up to 989 gold within 48 hours 015 M ammonium thiosulfate 06 M ammonia 002 M CuIIsulfate
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Sulfuric Acid and Ammonium Sulfate Leaching of Alumina from Lampang Available via license CC BY 30 In this study the ammonium thiosulfate leaching of gold Au from printed
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Jan 01 2012 · Pregnant leach solutions PLSs obtained from cyanide leaching of goldsilver ores often contain gold as well as other impurities such as copper Bas et
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Paper No 487 AMMONIA LEACHING IN THE COPPER INDUSTRY A REVIEW V Radmehr 1 S M J Koleini 2 M R Khalesi 3 and M R Tavakoli Mohammadi 4 ABSTRACT
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In spite of the environmental and commercial interests in the bacterial leaching of pyrite two central questions have not been answered after more than 35 years of research does Thiobacillus ferrooxidans enhance the rate of leaching above that achieved by ferric sulfate solutions under the same conditions and if so how do the bacteria affect such an enhancement
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After an initial reduction step with at 600°C leaching at room temperature and atmospheric pressure with aqueous ammoniaammonium carbonate and ammoniaammonium sulfate solutions yielded high
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The extraction efficiency of Al and Fe Ti gradually increased from 3307 879 and 079 to 5703 7730 and 1444 respectively when the mass ratio of ammonium sulfate to bauxite residue was varied from 1 to 40 whereas the sulfation processes of Na and Sc have been basically completed when the mass ratio of ammonium sulfate to bauxite
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Dec 10 2013 · Ammonia and ammonium salts have been recognized as effective leaching agents in hydrometallurgical processes due to low toxicity and cost easy recovery and high selective recovery of metals New research findings on considerable advantages of leaching by these agents and elimination of problems associated with acid leaching have resulted in a new approach in the world to this method
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