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HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

Jaw Crusher PE

Jaw Crusher PE

Jaw crusher is driven by a motor, and the moving jaw moves up and down via eccentric shaft. The angle between fixed jaw and moving jaw becomes smaller when the moving jaw runs down, then the materials are crushed into pieces. It will become bigger whe

HPT Hydraulic Cone Crusher

HPT Hydraulic Cone Crusher

Base on the latest technology and decades of years’ producing experience, Our Company designed the HPT series cone crusher. It has excellent crushing efficiency and good hydraulic control system. Now the HPC series cone crusher has wide application

HST Hydraulic Cone Crusher

HST Hydraulic Cone Crusher

HST Single Cylinder Hydraulic Cone Crusher is a new high-efficiency cone crusher independently researched, developed and designed by SBM through summarizing over twenty years of experience and widely absorbing advanced American and German technologies

CI5X Series Impact Crusher

CI5X Series Impact Crusher

CI5X Impact Crusher breaks materials with impact force. When materials enter the working area of hammer, they may be crushed under the high-speed shock and then thrown onto the impact device above the rotor for another crushing. Next, materials bounce

VSI6X Series Vertical Crusher

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, SBM, a Chinese professional sand maker manufacturer, further optimizes the structure and function of tr

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

pregnant leach solution copper msds

Copper Slag for the Recovery of Metals and Valorisation of ...

Copper Slag for the Recovery of Metals and Valorisation of the Leach Residue as Raw Material in Cement Production Päivi Kinnunen 1,*, ... On the other hand, the presence of iron in a high concentration in pregnant leach solution (PLS) makes the recovery of copper more challenging and costly.

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ChemIDplus - 67711-87-9 - Leach solutions,

67711-87-9 - Leach solutions, copper oxide ore, acid - Searchable synonyms, formulas, resource links, and other chemical information.

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pregnant leach solution copper - studio-tlumaczen.pl

copper-laden pregnant leach solution (PLS) is pumped out through surrounding recovery wells, followed by treatment at the surface to extract the copper from the PLS by means of a solvent extraction/electrowinning (SX/EW) process.

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Technical Review – Copper Separation and Processing in ...

PLS – Pregnant Leach Solution SX – Solvent Extraction ... in high copper tenor solutions such as concentrate pressure oxidation liquors where copper concentrations can be in excess of 40 g/L,

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Acid ferric sulfate leaching of copper sulfide ...

The pregnant leach solution is then treated for removal of the iron by the crystallization of iron salts. The pregnant leach solutions are next subjected to electrolysis to regenerate ferric ion using, for example, a diaphram cell with the resulting deposition of elemental copper which can then be further treated for purification by known means.

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2.1 Hydrometallurgy - North-West University

solution after the leaching process has been completed, and the solution that is produced is termed a pregnant solution or leach liquor. The solid product is termed the residue or tailings (Woollacott Eric, 1994:329). Furthermore, it is important that in the solution

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Heap Leaching - an overview ScienceDirect Topics

The lixiviant trickles down through the heap and leaches copper from its minerals to produce a pregnant leach solution containing 1–5kg Cum −3. The pregnant leach solution is collected on a sloped impervious clay or high-density polyethylene base and sent to solvent extraction and electrowinning for production of metallic copper.

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COPPER METAL SAFETY DATA SHEET - Teck Resources

Copper is not listed as a carcinogen by OSHA, the NTP, the ACGIH, IARC, or the EU (see Toxicological Information, Section 11). June 19, 2015 Copper Metal Page 2 of 5 Potential Environmental Effects: Copper is relatively insoluble in water and, therefore, likely has low bioavailability.

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Copper recovery using leach/solvent extraction ...

Copper recovery using leach/solvent extraction/electrowinning technology: Forty years of innovation, 2.2 million tonnes of copper annually by G.A. Kordosky* Synopsis The concept of selectively extracting copper from a low-grade dump leach solution followed by stripping the copper into an acid solution from which electrowon copper cathodes could ...

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Copper Slag for the Recovery of Metals and Valorisation of ...

Copper Slag for the Recovery of Metals and Valorisation of the Leach Residue as Raw Material in Cement Production Päivi Kinnunen 1,*, ... On the other hand, the presence of iron in a high concentration in pregnant leach solution (PLS) makes the recovery of copper more challenging and costly.

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LixTra - BASF

Novel Copper Leach Technology Europe BASF SE Mining Solutions Carl-Bosch-Str. 38 67056 Ludwigshafen Germany Phone: +49 621 60 0 ... the available copper. The resultant Pregnant Leach Solution (PLS) containing the dissolved copper, is collected from the bottom of the pad and passed through further processing steps.

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Extraction of Copper at Elevated Feed Concentrations

additional percent of copper. Copper is extracted from the pregnant . leach solution in Mt. Gordon’s primary SX circuit having two extraction and two strip stages and using a 23% Acorga M5640 extractant mixture. The copper concentration is reduced from 35 g/L to 10 g/L. As the raffinate is recycled to leaching, the contained copper is not

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Solvent extraction of yttrium and rare earth

N2 - The solvent extraction of yttrium and rare earth elements from copper pregnant leach solutions (PLS) using Primene JM-T, a primary aliphatic amine, has been studied. This investigation focused on the effect of extractant concentration to obtain a better understanding of the extraction mechanism.

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Technical Review – Copper Separation and Processing in ...

PLS – Pregnant Leach Solution SX – Solvent Extraction ... in high copper tenor solutions such as concentrate pressure oxidation liquors where copper concentrations can be in excess of 40 g/L,

More

Counter-Current Leaching of Low-Grade Laterites with ...

pregnant leach solution (PLS) with a series of simple precipitation steps. It was found that, during CCL, co-dissolution of Fe was maintained at very low levels, i.e., about 0.6%, which improved the effectiveness of the subsequent PLS purification step. The treatment of PLS involved an initial

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COPPER METAL SAFETY DATA SHEET - Teck Resources

Copper is not listed as a carcinogen by OSHA, the NTP, the ACGIH, IARC, or the EU (see Toxicological Information, Section 11). June 19, 2015 Copper Metal Page 2 of 5 Potential Environmental Effects: Copper is relatively insoluble in water and, therefore, likely has low bioavailability.

More

Copper recovery using leach/solvent extraction ...

Copper recovery using leach/solvent extraction/electrowinning technology: Forty years of innovation, 2.2 million tonnes of copper annually by G.A. Kordosky* Synopsis The concept of selectively extracting copper from a low-grade dump leach solution followed by stripping the copper into an acid solution from which electrowon copper cathodes could ...

More

PRETREATMENT OF COPPER ORE PRIOR TO HEAP LEACHING

0.3% Cu for copper oxide ore) or strong leach solution (pH of copper sulfide ore leach solution is 1.1 and pH of copper sulfide ore leach solution is 2). Column leaching results also show that about 80 to 90% of copper was recovered from the copper sulfide ore in a very short leaching time irrespective of crushing technique.

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Final Report - Fatality #1 - January 9, 2010 Mine

09-01-2010  Copper ore-bearing rock was drilled, blasted in the open pit, and transported by haul truck to heap leach pads and overburden deposition areas. The ore was treated with sulfuric acid that created a pregnant leach solution. Copper was recovered from the pregnant leach solution using a solvent extraction process and then processed into copper rod.

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System of Registries US EPA

Leach solutions, copper oxide ore, acid CAS Number: 67711-87-9. EPA Registry Name: Leach solutions, copper oxide ore, acid. Molecular Formula: Unspecified Definition: The pregnant solution obtained when sulfuric acid is applied to copper oxide ores and the copper and other metals taken into solution. Additional Metadata. For more information ...

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ChemIDplus - 67711-87-9 - Leach solutions,

67711-87-9 - Leach solutions, copper oxide ore, acid - Searchable synonyms, formulas, resource links, and other chemical information.

More

Copper Slag for the Recovery of Metals and Valorisation of ...

Copper Slag for the Recovery of Metals and Valorisation of the Leach Residue as Raw Material in Cement Production Päivi Kinnunen 1,*, ... On the other hand, the presence of iron in a high concentration in pregnant leach solution (PLS) makes the recovery of copper more challenging and costly.

More

Industry: Minerals Processing

“pregnant leach solution” (PLS). The PLS flows to a collection reservoir, and then to a solvent extraction plant where it is mixed with a diluent designed to extract the copper. The leach solution minus its copper, called “raffinate”, is replenished and returned to the leach pile for reuse, completing the solution stream cycle.

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Copper chloride leaching from chalcopyrite and

Copper chloride leaching from chalcopyrite and bornite concentrates containing high levels of impurities and minor elements has been studied using a two-stage countercurrent leach circuit at 95 °C to maintain a high copper extraction and a low cupric concentration in the pregnant leach solution for subsequent copper solvent extraction.

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Application of SART to Heap Leaching of Gold-Copper

a heap leach operation. Given increasing levels of cyanide complexed copper in current pregnant solutions from Maricunga heaps (over 300 ppm Cu), there is a need to reduce these levels and decrease cyanide consumption and cost. Additionally, a means of disposing of this copper is required, preferably as a saleable product. The well

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2.1 Hydrometallurgy - North-West University

solution after the leaching process has been completed, and the solution that is produced is termed a pregnant solution or leach liquor. The solid product is termed the residue or tailings (Woollacott Eric, 1994:329). Furthermore, it is important that in the solution

More

Solvent extraction of yttrium and rare earth

N2 - The solvent extraction of yttrium and rare earth elements from copper pregnant leach solutions (PLS) using Primene JM-T, a primary aliphatic amine, has been studied. This investigation focused on the effect of extractant concentration to obtain a better understanding of the extraction mechanism.

More

PROCESS FOR PRECIPITATING COPPER FROM

An improved process for accelerating the precipitation of copper from solution. A pregnant leach solution, containing at least copper, ferric, ferrous, and sulfate ions, is treated with sulfur dioxide under conditions of agitation to complex the ferric ions and to efficiently maintain the treated leach solution at a pH below 3.0, without the addition of acid.

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Heap Leach Facilities - SlideShare

Solution Process Ponds § The solution collection ponds will collect and store 100 percent of the operational solutions. § Ponds will contain any temporary drain down and 100-yr 24-hr design storm flows within the lined leach pad area. § Ponds include a double-lined Pregnant Leach Solution pond, double-lined Raffinate pond and a single-lined Stormwater pond.

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System of Registries US EPA

Leach solutions, copper oxide ore, acid CAS Number: 67711-87-9. EPA Registry Name: Leach solutions, copper oxide ore, acid. Molecular Formula: Unspecified Definition: The pregnant solution obtained when sulfuric acid is applied to copper oxide ores and the copper and other metals taken into solution. Additional Metadata. For more information ...

More

ChemIDplus - 67711-87-9 - Leach solutions, copper oxide ...

67711-87-9 - Leach solutions, copper oxide ore, acid - Searchable synonyms, formulas, resource links, and other chemical information.

More

Hydrometallurgical method of extraction of copper from ...

The pregnant leach solution was transported to a liquid-liquid extraction facility where copper (II) chloride was extracted from the pregnant leach solution into an organic extraction phase by means of the extractant DS 5443. By this liquid-liquid extraction a very clean copper chloride solution which only contained minor impurities was obtained.

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Industry: Minerals Processing

“pregnant leach solution” (PLS). The PLS flows to a collection reservoir, and then to a solvent extraction plant where it is mixed with a diluent designed to extract the copper. The leach solution minus its copper, called “raffinate”, is replenished and returned to the leach pile for reuse, completing the solution stream cycle.

More

Practical Aspects of Copper Solvent - ResearchGate

Extraction of copper occurs when pregnant leach solution PLS containing copper is mixed with stripped organic solution containing the extractant. The extractant releases its protons

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2.1 Hydrometallurgy - North-West University

solution after the leaching process has been completed, and the solution that is produced is termed a pregnant solution or leach liquor. The solid product is termed the residue or tailings (Woollacott Eric, 1994:329). Furthermore, it is important that in the solution

More

HYDROCOPPER – A NEW METHOD FOR TREATING COPPER CONCENTRATES

purified pregnant leach solution as copper (I) oxide, which is filtered and reduced by hydrogen gas to metallic copper powder, which is melted and cast into copper product. Sodium chloride formed in precipitation is decomposed in a chlor-alkali electrolyser, the products of which are

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First Use of a GCL in a Copper Heap Leach Pad - Case Study

The resulting copper-infused liquid (aka the pregnant leach solution) trickles down to a leach pad, where it is collected and pumped to a recovery facility. In order to prevent the pregnant leach solution from leaking out, the leach pads are typically comprised of a composite liner system with a geomembrane overlying a low permeability soil layer.

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Heap Leach Facilities - SlideShare

Solution Process Ponds § The solution collection ponds will collect and store 100 percent of the operational solutions. § Ponds will contain any temporary drain down and 100-yr 24-hr design storm flows within the lined leach pad area. § Ponds include a double-lined Pregnant Leach Solution pond, double-lined Raffinate pond and a single-lined Stormwater pond.

More

New players in copper concentrates hydromet - MINING.COM

Copper sulphate solution is typically generated by treating a portion of the upgraded concentrate in a pressure-ox autoclave. ... Iron dissolution is insignificant in the pregnant leach solution.

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