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Introduction to the processing technology system of the jaw crusher production line

Jaw crushers usually do not work independently, but together with cone crushers, impact crushers, sand making machines, vibrating screens, etc., constitute a complete set of sand and gravel processing systems to achieve accurate processing of ore and rock and improve product pertinence , Increase its market value. Common production lines are: stone production line and sand production line.

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Sand production line processing technologye

On the basis of the stone production line, sand making machine equipment for fine crushing and shaping is added, which can realize the simultaneous production of machine-made sand and crushed stone. The entire production line is flexible in construction and diverse in output, which can meet the various processing requirements of customers. , To achieve the purpose of "one line with multiple uses", it is an ideal production line choice for producing highway surface materials, high-speed railway sand and gravel aggregates, hydropower station sand and gravel materials, port terminals and airport runways.

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Pressure Leaching of Copper Concentrates

2020-8-20  Phelps Dodge Copper Pressure Leaching Developments Phelps Dodge ( Placer Dome) have developed a suite of proprietary processes, including: High temperature process (HT) Converts essentially all sulfide sulfur to acid Maximizes acid production Suitable for locations where dilute acid can be used beneficially

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Copper Pressure Leaching Process - Metso Outotec

The Metso Outotec copper pressure leaching process combines our highly effective pressure oxidation and leaching technology with world-renowned VSF solvent extraction and electrowinning technology. The process also enables precious metals recovery from leaching residue with cyanide leaching technology.

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Pressure leaching of copper concentrates at Morenci ...

2018-8-1  In 2003, a high-temperature pressure leaching circuit to treat copper sulfide concentrates was commissioned at the copper/molybdenum operation at Bagdad, AZ. In late 2007, a medium-temperature pressure leaching circuit was commissioned at the Morenci mine in Arizona. The Morenci circuit was shut down in mid-2008, following a fire in the autoclave ...

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PRESSURE LEACHING OF DECOPPERIZED COPPER

copper extraction was achieved at leaching temperature of 99.85 °C. The oxygen partial pressure range was chosen according to Weichert et al. (2013) who used the

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Pressure leaching of copper minerals in perchloric acid ...

The leaching of covellite (CuS), chalcocite (Cu2S), bornite (Cu5FeS4), and chalcopyrite (CuFeS2) was carried out in a small, shaking autoclave in perchloric acid solutions using moderate pressures of oxygen. The temperature range of investigation was 105° to 140°C.

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Pressure leaching of copper sulphide from nickel

2021-5-1  Medium-temperature pressure leaching of copper sulphides was investigated. Copper extraction was over 99% at 165 °C at low final acidity (20–26 g/L). Sulphate formation (depended on T and acidity) increased copper extraction.

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Pressure oxidative leaching of lead-containing copper ...

2009-3-1  The pressure oxidative leaching of lead-containing copper matte offers high recovery of metals, low environmental pollution, short flow sheet, low cost etc. The experimental results show that leaching time, oxygen partial pressure, leaching temperature, agitation speed and acid concentration have significant effect but the initial Cu 2+ concentration has little effect on the extraction of copper.

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PRESSURE LEACHING OF A HIGH ARSENIC COPPER

2017-2-7  could be a problem for the heat balance in the smelting stage. For pressure leaching, copper is recovered by SX-EW. Precious metals recovery: pyrometallurgical rout allows an efficient recovery from the anode slimes which is a highly concentrated precious metals material. Hydrometallurgical treatment requires another

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Leaching of Copper Sulphides - SAIMM

2016-6-8  copper chloride leaching are carried out at atmospheric pressure while total pressure oxidation takes place at elevated pressures. Hydrometallurgical processing routes may be sought for a number of reasons as alternatives to more

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Leaching of copper concentrates - University of Arizona

2020-4-2  with such equipment as high pressure, high temperature, acid resistant autoclaves. This problem can be avoided by heap leaching, but the long retention times cause an in-process inventory which may exceed the cost of processing equipment. From the capital expense standpoint, the resi­ dence time is extremely critical, since long retention

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Copper Pressure Leaching Process - Metso Outotec

Copper pressure leaching process consists of the following main steps: Concentrate repulping. Pressure oxidation of sulfides. Hot curing. Solid-liquid separation. Neutralization. Copper solvent extraction. Copper electrowinning. Water balance management and bleed treatment.

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Outotec copper concentrate pressure leaching

2020-6-16  Leaching is followed by a neutralization step and then copper solvent extraction and electrowinning. Gold and silver can be recovered by adding a lime boil step before cyanide leaching. The Copper Pressure Oxidation Plant is an Outotec proprietary technology for impure concentrate refining.

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Pressure leaching of copper concentrates at Morenci ...

2018-8-1  In 2003, a high-temperature pressure leaching circuit to treat copper sulfide concentrates was commissioned at the copper/molybdenum operation at Bagdad, AZ. In late 2007, a medium-temperature pressure leaching circuit was commissioned at the Morenci mine in Arizona. The Morenci circuit was shut down in mid-2008, following a fire in the autoclave circuit.

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Pressure leaching of copper minerals in perchloric acid ...

The leaching of covellite (CuS), chalcocite (Cu2S), bornite (Cu5FeS4), and chalcopyrite (CuFeS2) was carried out in a small, shaking autoclave in perchloric acid solutions using moderate pressures of oxygen. The temperature range of investigation was 105° to 140°C. It was found that covellite, chalcocite, and bornite leach at approximately similar rates, with chalcopyrite being an order of ...

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PRESSURE LEACHING OF A HIGH ARSENIC COPPER

2017-2-7  Pressure leaching, copper concentrates, arsenic, COM 2014 - Conference of Metallurgists Proceedings ISBN: 978-1-926872-24-7 Published by the Canadian Institute of Mining, Metallurgy and Petroleum. INTRODUCTION Arsenic is an impurity frequently found in copper concentrates in Chile and it is most commonly present as enargite, Cu3AsS4, which ...

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Copper Ore Hydrometallurgy and Pressure Leaching

Copper Ore Hydrometallurgy and Pressure Leaching. Copper hydrometallurgy is a branch of metallurgy method to extract copper directly from those difficult-to-concentrate copper oxide ore. Traditional copper hydrometallurgy process typically consists of atmospheric leaching, solvent extraction (SX)

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Pressure leaching of copper sulphide from nickel refining ...

Copper sulphide Pressure leaching Valorisation ABSTRACT Copper sulphide rich leach residue from nickel rening is a marketable product and may be treated by smelting. In looking for another rening technology for its valorisation, the raw material was characterised and suitability

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v116n6a5 Optimization of circuits for pressure leaching of ...

2016-8-4  Pressure leaching is an option for copper recovery from chalcopyrite. Leaching takes place at high temperatures and pressures in the presence of an oxidizing agent. This work shows how the performance of pressure leaching circuits may be improved by optimizing the configuration of autoclaves and the heat removal method. The objective was ...

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Pressure leaching of copper sulphides in perchloric

THE PRESSURE LEACHING OF COPPER SULPHIDES IN PERCHLORIC ACID SOLUTIONS BY FRED LOEWEN B.A.Sc, University of B r i t i s h Golumbia, 1 9 6 4 A THESIS SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF APPLIED SCIENCE i n the Department of METALLURGY I We accept t h i s thesis as conforming to the standard required

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Acid Pressure Leach Process for Copper Removal

pressure ranges in the present study have been selected as 100 ~ 185 °C and 5 ~ 15 atm of oxygen partial pressure. 3 • 2 Leaching of low-grade MoS2 concentrate in water The effect of the solid : liquid ratio on copper, iron and molybdenum pressure leaching from the low-grade molybden-ite concentrate in water is shown in Fig. 2. The existence ...

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Outotec copper concentrate pressure leaching

2020-6-16  Leaching is followed by a neutralization step and then copper solvent extraction and electrowinning. Gold and silver can be recovered by adding a lime boil step before cyanide leaching. The Copper Pressure Oxidation Plant is an Outotec proprietary technology for impure concentrate refining.

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Copper Ore Hydrometallurgy and Pressure Leaching

Copper Ore Hydrometallurgy and Pressure Leaching. Copper hydrometallurgy is a branch of metallurgy method to extract copper directly from those difficult-to-concentrate copper oxide ore. Traditional copper hydrometallurgy process typically consists of atmospheric leaching, solvent extraction (SX)

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Pressure leaching of copper sulphide from nickel refining ...

Copper sulphide Pressure leaching Valorisation ABSTRACT Copper sulphide rich leach residue from nickel rening is a marketable product and may be treated by smelting. In looking for another rening technology for its valorisation, the raw material was characterised and suitability

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Acid Pressure Leach Process for Copper Removal

pressure ranges in the present study have been selected as 100 ~ 185 °C and 5 ~ 15 atm of oxygen partial pressure. 3 • 2 Leaching of low-grade MoS2 concentrate in water The effect of the solid : liquid ratio on copper, iron and molybdenum pressure leaching from the low-grade molybden-ite concentrate in water is shown in Fig. 2. The existence ...

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Pressure leaching of copper sulphides in perchloric

THE PRESSURE LEACHING OF COPPER SULPHIDES IN PERCHLORIC ACID SOLUTIONS BY FRED LOEWEN B.A.Sc, University of B r i t i s h Golumbia, 1 9 6 4 A THESIS SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF APPLIED SCIENCE i n the Department of METALLURGY I We accept t h i s thesis as conforming to the standard required

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v116n6a5 Optimization of circuits for pressure leaching of ...

2016-8-4  Pressure leaching is an option for copper recovery from chalcopyrite. Leaching takes place at high temperatures and pressures in the presence of an oxidizing agent. This work shows how the performance of pressure leaching circuits may be improved by optimizing the configuration of autoclaves and the heat removal method. The objective was ...

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ATMOSPHERIC LEACHING OF COPPER PRESSURE LEACH

2020-7-18  4% additional copper extraction benefit was derived from supplementary milling of CPLR to produce a fine grind feedstock for leaching. To benchmark the degree to which copper and nickel is extracted from CPLR under atmospheric leach conditions compared with pressure leaching, several atmospheric leach tests were performed to determine

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Pressure leaching of copper sulphides in perchloric

Pressure leaching of copper sulphides in perchloric acid solutions . By Fred Loewen. Abstract. The leaching of covellite (CuS), chalcocite (Cu₂S), chalcopyrite (CuFeS₂) and bornite (Cu₅FeS₄) was carried out in a shaking autoclave in perchloric acid solutions and using moderate pressures of oxygen. The temperature range of investigation ...

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DIRECT PRESSURE LEACHING OF COPPER-IRON

DIRECT PRESSURE LEACHING OF COPPER-IRON SULPHIDES - SHERRITT GORDON MINES LTD. Title: DIRECT PRESSURE LEACHING OF COPPER-IRON SULPHIDES. United States Patent 3637371. Abstract: Complex copper-iron bearing sulphides, particularly chalcopyrite, ground to at least 90 percent minus 325 mesh standard Tyler screen are leached in aqueous sulphuric ...

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AMMONIA PRESSURE LEACHING FOR LUBIN SHALE

2009-2-9  tive for hydrometallurgical processing of Polish copper concentrates (KGHM Polish Copper). Escondida (Chile) applied oxygenated ammonia solutions for partial leaching of copper from chalcocite concentrates at atmospheric pressure (Duyvetseyn and Sa-backy, 1995). Solid residue after leaching, containing CuS, was subsequently floated

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Outotec copper concentrate pressure leaching

2020-6-16  Leaching is followed by a neutralization step and then copper solvent extraction and electrowinning. Gold and silver can be recovered by adding a lime boil step before cyanide leaching. The Copper Pressure Oxidation Plant is an Outotec proprietary technology for impure concentrate refining.

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Pressure leaching of copper sulphides in perchloric

THE PRESSURE LEACHING OF COPPER SULPHIDES IN PERCHLORIC ACID SOLUTIONS BY FRED LOEWEN B.A.Sc, University of B r i t i s h Golumbia, 1 9 6 4 A THESIS SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF APPLIED SCIENCE i n the Department of METALLURGY I We accept t h i s thesis as conforming to the standard required

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ATMOSPHERIC LEACHING OF COPPER PRESSURE LEACH

2020-7-18  4% additional copper extraction benefit was derived from supplementary milling of CPLR to produce a fine grind feedstock for leaching. To benchmark the degree to which copper and nickel is extracted from CPLR under atmospheric leach conditions compared with pressure leaching, several atmospheric leach tests were performed to determine

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Pressure oxidative leaching of copper cake from nickel ...

Copper extraction level of 95–98% is achieved at least after 120–180 minutes of leaching. Mass output of the solid residue was 6–10%. A detailed analysis of Cu-cake and the resulting products is provided. The behavior of precious metals was considered. The work was supported by Act 211 Government of the Russian Federation, contract № 02 ...

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DIRECT PRESSURE LEACHING OF COPPER-IRON

DIRECT PRESSURE LEACHING OF COPPER-IRON SULPHIDES - SHERRITT GORDON MINES LTD. Title: DIRECT PRESSURE LEACHING OF COPPER-IRON SULPHIDES. United States Patent 3637371. Abstract: Complex copper-iron bearing sulphides, particularly chalcopyrite, ground to at least 90 percent minus 325 mesh standard Tyler screen are leached in aqueous sulphuric ...

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Pressure leaching of copper sulphides in perchloric

Pressure leaching of copper sulphides in perchloric acid solutions . By Fred Loewen. Abstract. The leaching of covellite (CuS), chalcocite (Cu₂S), chalcopyrite (CuFeS₂) and bornite (Cu₅FeS₄) was carried out in a shaking autoclave in perchloric acid solutions and using moderate pressures of oxygen. The temperature range of investigation ...

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Pressure leaching of sulfide concentrate produced by

2018-6-13  partial pressure ranging from 0.5 to 2.0 MPa were investigated. The pressure leaching appeared to be an efficient process for recovering copper from the Lubin concentrate. At optimal leaching conditions (140 °C, 100 g/dm3 H 2 SO 4, 1.0 MPa O2) 96% of Cu was extracted after 4 h. Keywords: Hydrometallurgy, copper concentrates, pressure leaching 1.

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A-Z of Copper Ore Leaching

2021-3-26  nickel laterites, copper ore leaching, uranium ore processing, copper SX-EW, heap leaching and solvent extraction. ALTA conferences. are a world-class annual metallurgical conference and a leading platform for innovation. It comprises five international conferences, panel discussions, short courses, and trade exhibition.

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Galvanic enhancement for high pressure leaching of ...

2016-10-31  oxygen pressure to oxidise pyrite to produce sulphuric acid and the ferric iron-containing solution used for the leaching of chalcocite concentrate in a subsequent stage. High temperature (225oC) and oxygen pressure (3 MPa) were also used in a POX

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LEACHING OF A Cu-CoORE FROM CONGO USING

2013-7-23  4.2 Leaching The leaching of the ores was conducted at different solution compositions (of sulphuric acid and hydrogen peroxide), temperatures and particle size fractions. Fig. 5 shows typical leaching characteristics (53-75 microns, 0.732 M sulphuric acid and 0.025 M hydrogen peroxide) of different metal values existing in the ore. Only copper and

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