leaching of stibnite

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Major Mines Projects Selinsing Mine - Know More

The stibnite generally occurs in association with elevated gold grades however, the presence of gold does not necessarily indicate high stibnite levels ie the stibnite tends to be associated with gold, rather than the gold being associated with stibnite...

Metal Extraction Process for High Grade Stibnite of Kharan , - Know More

A rapid and simple process has been developed for the recovery of antimony metal from stibnite ore of Kharan area Balochistan of Pakistan The ore was characterized by X-ray diffraction XRD technique and found to contain 66 stibnite ie antimony sulfide Sb 2 S 3...

SELECTIVE EXTRACTION OF MERCURY AND ANTIMONY , - Know More

Results of preliminary hydrometallurgical tests indicated that leaching of cinnabar-stibnite ores or concentrates with sodium sulfide solution is a potential means of obtaining separate mercury and antimony products...

Alkaline leaching of antimony from natural stibnite - Know More

The paper is an overview of alkaline leaching of stibnite by mixed Na2S NaOH or by NaOH leaching solutions The behaviour of minor constituents, such as mercury, copper, nickel, iron, lead and zinc in alkaline leaching is also discussed in detail...

Electrolytic recovery of antimony from natural stibnite , - Know More

Leaching methods Three different direct leaching agents were used for treatment of the stibnite ore Mixture of hydrochloric and tartaric acids A sample of 1 g of the ore was decomposed by boiling in 25 ml concentrated hydrochloric acid and 25 ml 20 tartaric acid until ,...

Basic theory and optimization of gold containing antimony , - Know More

In order to avoid the adverse effects of stibnite on cyanide leaching, the pre-treatment process of hydrometallurgy to recover antimony before gold extraction can be adopted Mahlangu et al, 2006 Because leaching has the advantages of strong adaptability and low environmental pollution, there are...

Oxidation of stibnite by Thiobacillus ferrooxidans - Know More

Optimum pH, temperature and pulp density for microbiological leaching of museum-grade stibnite mineral has been investigated using a stibnite-adapted strain of Thiobacillus ferrooxidans Optimum conditions were found to be pH 175, 35 C and 12g solid substrate per ,...

International Journal of Energy Engineering DOI 105963 , - Know More

It was observed that the rate of leaching of stibnite a increased with an increase in both Na 2S and NaOH , International Journal of Energy Engineering DOI 105963/IJEE0102006 IJEE IJEE Vol1 No2 2011 PP85-89 ij-eeorg C World Academic ,...

MECHANISM OF LEACHING STIBNITE IN SLURRY , - Know More

Mechanism of leaching stibnite in slurry electrowirming process was investigated Experimental results show that the leaching process of stibnite should be described with shrinking core model, the leaching rates should be controlled by the mixing process, and the ,...

Deadliest Minerals And Gemstones - Know More

Currently, stibnite is used in the manufacture of fireworks, matches, and percussion caps In the ancient world, the silver color of stibnite also popularized its use in kitchen utensils However, many people died as a result of food poisoning triggered by leaching of chemicals from this mineral, thus discontinuing its use in culinary utensils...

Alkali Leaching of Antimony Sulphide and Electrolytic , - Know More

Alkali Leaching of Antimony Sulphide and Electrolytic Recovery of Antimony from the Resulting Leach Solution , solute, and the roasting of Stibnite before leaching on the extraotion of antimony from Stibnlte by leaoh-ing the following experiments were performed The...

Stibnite Gold Project, Idaho - Know More

The Stibnite Gold Project formerly Golden Meadows Project is located in the historic Stibnite-Yellow Pine mining district in central Idaho, US Mining activities at the project site were performed by former owners between 1925 and 1997...

The exposure to and health effects of antimony - Know More

The proportion of utilised and non-utilised articles was tabulated Antimony toxicity is dependent on the exposure dose, duration, route breathing, eating, drinking, or skin contact , other chemical exposures, age, , nutritional status, family traits, life style, and state of health Chronic ....

Optimisation of Pure Stibnite Leaching Conditions by , - Know More

leaching agents can be used to solubilise Sb from stibnite ores Sb2S3 mixture of hydrochloric and tartaric acids, mixture of nitric and tartaric acid and hot concentrated sulphuric acid Havlik et al, 1991 Ubaldini et al, 2000b...

Yellow Pine Times - Know More

Canadian Superior Mining started a full-scale cyanide-heap leach operation at Stibnite in 1982 Hecla Mining Corporation obtained the lease on the Bradley claims in 1988 and started an open pit mine and one-time heap leach...

Antimony Leaching from Stibnite and Complex Ores - Know More

ANTIMONY LEACHING FROM STIBNITE AND COMPLEX ORES1 YT John Kwong2, Allen Pratt2 and Gianluigi Botton2 Abstract To shed light on the leaching of Sb from mine wastes containing stibnite....

Metal Extraction Process for High Grade Stibnite of Kharan , - Know More

The reductive leaching using iron powder in mineral acid has also been reported for the efficient recovery of antimony from stibnite 7 The other hydrometallurgical method commonly investigated by the researchers ie alkaline leaching, has been performed using solutions of either sodium hydroxide or sodium hydroxide along with sodium ....

Leaching of the antimony and accompanying of elements , - Know More

This paper presents results of the laboratory investigation of alkaline leaching of stibnite that is an important mineral occuring in the antimony-bearing raw materials The following components were present in stibnite Sb2S3, SiO2, ZnS, FeS2 The aim of this study was to establish the effect of ....

KINETIC STUDY OF LEACHING STIBNITE IN SODIUM , - Know More

of stibnite mineral Sb2S3 , may be affected by selecting the appropriate leaching solution or by pre-treating the ore From thermodynamic aspect for conversion of compounds to solution...

Major Mines Projects Stibnite Gold Project - Know More

Mining at the Stibnite Gold Project would be accomplished using conventional open pit hard rock mining methods Mining is planned to deliver 805 Mst of ore to the crusher per year 22,050 st/d , with stockpiling by ore type low antimony sulfide, high antimony sulfide and oxide...

MINING RELATED LEGACY ISSUES - Know More

Stibnite Gold Project Plan of Restoration and Operations 4 r2 42 LEGACY OF PAST MINING The mining, milling and processing activities created numerous legacy impacts including underground mine workings, multiple open pits, development rock dumps, tailings deposits, heap leach pads, spent...

kinetics of cyanidation of gold - Know More

Leaching kinetics and mechanisms of surface reactions during , May 01, 2005 Leaching kinetics and mechanisms of surface reactions during cyanidation of gold in the presence , of pyrite and stibnite on gold leaching kinetics...

BEHAVIOUR OF STIBNITE IN ALKALINE LEACHING - Know More

Leaching of natural stibnite Sb2S3 that occurs together with other minerals such as quartz SiO 2 , pyrite FeS 2 and wurtzite ZnS is a very important unit operation in which antimony ....

Gold Leaching Using Thiourea Gold Redox - Know More

The economics of gold leaching with thiourea are principally determined by thiourea consumption perhaps between 1 and the pulp is filtered as rapidly as possible orpiment and stibnite 3e = ,...

COMPARISON OF CYANIDE AND THIOSULPHATE LEACHING , - Know More

leach significant quantities of gold without consuming excessive quantities of reagents Thiosulphate is a more effective lixiviant of preg-robbing and high-copper ores than cyanide because ammoniacal thiosulphate leaching is less sensitive than cyanidation to...

Leaching of Natural Stibnite Using Na2S and NaOH Solutions - Know More

Leaching of Natural Stibnite Using Na2S and NaOH Solutions Full Paper PDF, 1252KB Abstract First stage of the hydrometallurgical production of antimony is leaching of the raw material that contains antimony-bearing mineral...

Leaching of natural stibnite using sodium hydroxide , - Know More

This paper presents the results of a laboratory investigation of alkaline leaching of stibnite sample, which originated from Pezinok Slovakia mine The leaching media used was aqueous solution containing sodium hydroxide This research focused on establishing the effect of ,...

Leaching of natural stibnite using sodium hydroxide solution - Know More

Abstract This paper presents the results of a laboratory investigation of alkaline leaching of stibnite sample, which originated from Pezinok Slovakia mine The leaching media used was aqueous solution containing sodium hydroxide...

Metal Extraction Process for High Grade Stibnite of Kharan , - Know More

Hydrometallurgical processes usually involve acid or alkaline leaching of or The acid leaching is often carried out by mineral acids ie hydrochloric ac-id, nitric acid and sulphuric ac , Stibnite ore of Kharan is a high grade ore and it contains 66 antimony sulfide as confirmed by X-ray diffraction XRD analysis Therefore, up-gradation...

The Membrane Electrowinning Separation of Antimony from a , - Know More

The leach recovery of antimony was calculated using the analysis of the stibnite concentrate as well as the leach residue and its mass The lixivium was recycled to the 250-cc glass balloons as the leaching solution until the antimony concentration in the circular lixivium was enriched to more than 70 g/L...