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surfactants used in copper ore process

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surfactants used in copper ore process

  • Copper extraction

    Oxidised copper ore bodies may be treated via several processes, with hydrometallurgical processes used to treat oxide ores dominated by copper carbonate minerals such as azurite and malachite, and other soluble minerals such as silicates like chrysocolla, or sulfates such as atacamite and so on.

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  • WO2014170448A1 Use of cationic surfactants in the

    Depending on the cationic surfactant used in the treatment of the ore or concentrate, formation of large amount of foaming or froth during the leaching process may occur. As such, the method according to the present invention may further comprise the step of adding a defoamer to the ore or concentrate prior to the step of cyanidation leaching.

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  • Improvements in Copper heap leaching by use of wetting agents

    Improvements in Copper heap leaching by use of wetting agents Proceedings of EMC 2009 3 A sprinkler system is installed on top of each heap allowing the diluted sulfuric acid to be fed uni formly over the ore. While the solution percolates through the heap, copper is leached out of the ore.

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  • From Ore to Finished Product Copper

    Copper From Beginning to End. Copper is a major metal and an essential element used by man. It is found in ore deposits around the world. It is also the oldest metal known to man and was first discovered and used about 10,000 years ago. And as alloyed in bronze (copper tin alloy) about 3000 BC, was the first engineering material known to man.

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  • Copper Mining and Extraction Sulfide Ores

    The froth is skimmed off the surface and the enriched ore (mainly the copper mineral) is taken away for roasting. The mixture of water, foaming agent and paraffin is recycled. After this stage the enriched ore now contains about 25% copper by mass and is called copper concentrate.

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  • Surfactants Essential Chemical Industry

    Amphoteric surfactants. A range of methods is used to produce such materials, almost all of which contain a quaternary ammonium ion (a cation). The negatively charged group can be carboxylate, CO 2 , sulfate, OSO 3 or sulfonate, SO 3 . One such well used class is the alkyl betaines which have a

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  • The use of surfactants to aid and improve the

    The use of surfactants to aid and improve the leaching of low grade copper ores @inproceedings{Shah2017TheUO, title={The use of surfactants to aid and improve the leaching of low grade copper ores}, author={Kush N. Shah}, year={2017} }

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  • BIOMINING use of microbes, biomining recovery (direct

    Adding small amounts of surfactants like Tween 20 to the leaching process increases the rate of biooxidation of minerals from sulfide ores. The surfactants decrease the surface tension of the leach solution, thus, wetting the ore and resulting in increased bacterial contact which ultimately increases the rate of biooxidation.

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  • sulphide ore extraction process to copper product

    How copper is made material, used, processing, steps, product . It is commonly used to produce a wide variety of products, including electrical wire, . The most common are known as sulfide ores in which the copper is . The process of extracting copper from copper ore varies according to the type of ore.

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  • Catalytic effects of activated carbon and surfactants on

    The effects of activated carbon and/or surfactants on the bioleaching behavior of cobalt ore have been investigated in this paper. It was demonstrated that activated carbon and surfactants (Tween 20 and Tween 80) can significantly promote the dissolution rate of carrollite, either individually or in combination when coupled with ZY101 bacteria strain.

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  • CN100529127C Use of surfactants in the production of

    The present invention relates to a surfactant comprising at least one aqueous acid containing compositions and methods of using such a sulfuric acid aqueous composition containing metals, particularly copper was extracted from the metal containing raw material.

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  • copper flotation use of lime icas2017conference

    Lime is commonly used as a pH regulator and depressant against iron minerals during the flotation recovery of copper minerals from copper porphyry sulfide ore. It can also depress copper oxide, secondary copper sulfide or gold minerals ( Allan and Woodcock, 2001 , Sun, 2001 , Liu et al., 2008a ).

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  • What is the use of xanthate in the froth flotation process

    1. Xanthate Used in Pyrite Froth Flotation Process In flotation of pyrite with xanthate, butyl xanthate is usually used. Generally, after the activator (copper sulfate) is added to the pulp, the mixed emulsifier of xanthate, pine oil and water can

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  • 347 APPROACH FOR ELIMINATING THEIR NEGATIVE

    A sample of copper sulphide ore from Opemiska Division of Falconbridge Company was used for select1ng suitable wetting agents as potent1al sulphide dust suppressors. The sample also to investigate the surfactants influence on copper flotation .and to develop the technique for surfactants remova

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  • (PDF) Role of Surfactants in Mineral Processing An Overview

    In this paper, the reagents/surfactants used in direct and reverse flotation process of iron ore has been reviewed with the aim of identifying their usefulness and limitations coupled with

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  • processing for separate copper from iron ore

    Copper Mining and Processing Processing of Copper Ores. Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and

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  • Effect of Nonionic Surfactants on Chalcopyrite Leaching

    The research conducted by the Bureau showed that nonionic surfactants do improve copper extraction in the ferric sulphate leaching of chalcopyrite under dump conditions when sufficient Fe179;+ is present, demonstrating a positive interaction between Fe179;+ concentration and non ionic surfactant concentration.

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  • Copper Ore Usage Black Desert Online

    Jul 23, 20170183;32;you can level your processing by doing cloth resources (cotton, flax, wool) and then make your copper ore into higher tiered resources (brass/bronze/copper ingots) and make them into products that sell either as crates or as an end item.

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  • (PDF) Role of Surfactants in Mineral Processing An Overview

    SIPX in conjunction with Aero238 in 12 ratio (48 g/t), was used as mixed collector system, and copper sulphate (200g/t) and MIBC (20 g/t) were employed as sphalerite activator and frother.

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  • what are the chemical can be used in flotation process

    Valuable minerals in an ore can be separated from each other, and from worthless minerals, by the froth Some of the Chemicals Used in Flotation Process. The Future for Flotation E amp; MJ. A major improvement in flotation optimization has been the increasing use of ore responsewithin the same orebody can vary widely, posing flotation chemical

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  • Surfactants Essential Chemical Industry

    These are used together with other surfactants in powder and liquid laundry detergents such as Ariel, Daz, Persil and Surf. (b) Alkyl sulfates Many detergent products, particularly liquids, contain other synthetic anionic surfactants such as alkyl sulfates, esters of linear alcohols (C 10 C 18 )

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  • Effect of surfactant on the growth and activity of

    This recommends that surfactants should be used at as low a concentration as practicable for the bioleaching of metals from ores. High surfactant concentrations have been reported to decrease leaching reagent diffusion to the ore surface by formation of a surfactant layer around the ore ( Hiroyoshi et al., 1995 ) and to damage cell membranes ( Florian and Sand, 2012 , Harrison et al., 1991 , Partearroyo

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  • industrial chemistry surfactants and metal extraction

    Start studying industrial chemistry surfactants and metal extraction. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

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  • Microwave Pre Treatment of Ores and its Effect on the

    Both recovery and grade of copper and nickel improved When microwave pre treatment becomes technologically and economically feasible on a large scale, Vale could use it to improve the separation process for the Voiseys ay Eastern Deeps Massive Ore Future Work Test the effect of higher microwave powers

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  • Copper Mining and Processing Everything you Need to Know

    The Copper Mining Process. During the Industrial Revolution, coal and steam powered machinery paved the way for a huge increase in copper production with mines smelting between 200 and 300 tons of copper ore per week. At the beginning of the 20th century, the annual worldwide copper demand was at half a million tons.

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  • How copper is made material, used, processing, steps

    In addition to the ores themselves, several other chemicals are often used to process and refine copper. These include sulfuric acid, oxygen, iron, silica, and various organic compounds, depending on the process used. The Manufacturing Process The process of extracting copper from copper ore varies according to the type of ore and the desired purity of the final product.

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  • The use of surfactants to aid and improve the leaching of

    Work was performed with surfactants developed by BASF specifically for heap leaching. Initial experimentation consisted of using flooded vats to compare copper extraction from ores. Leach solution with and without surfactant was fed to the ores. The presence of surfactants was noted to increase the overall copper recovered by approximately 2 3%.

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  • Catalytic effects of activated carbon and surfactants on

    The surfactants were used as dispersants for liquid sulfur, which is a by product of the elevated temperature leaching process. The leaching times were 35 or 60 min.

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  • Copper Essential Chemical Industry

    Whatever method is used to manufacture copper from its ore, its final purification is by electrolysis (Figure 6). Slabs of impure copper (blister copper), together with thin sheets of pure copper metal or stainless steel or titanium are immersed in a solution of copper(ll) sulfate (0.3 mol dm

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  • Electrorefining of Copper

    either as metallic copper, or alloyed with tin as bronze. It was used for tools, ornaments, pots for cooking, and coinage. Copper and brass, a copper zinc alloy, continue to have appeal as ornaments. The major use of copper in modern times has been as an electrical conductor, and about 50% of the current demand is for electrical uses.

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  • Froth flotation

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, paper recycling and waste water treatment industries. Historically this was first used in the mining industry, where it was one of

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  • Biomining Environment Friendly Mining Biotech Articles

    Bioming efficiency or mineral recovery from its ore depends on factors like choice of bacteria, crystal lattice energy, surface area, composition of the ore, acidity, temperature and also surfactants used in biomining. Copper, gold and oil are extracted from its ore or reservoir by biomining method. Future

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  • Surfactant accelerating leaching of copper ores ResearchGate

    Surfactant accelerating leaching of copper ores Article in Beijing Keji Daxue Xuebao/Journal of University of Science and Technology Beijing 35(6)709 713 183; June 2013 with 34 Reads Cite this

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  • Per and Polyfluoroalkyl Substances (PFASs) Usage

    o PFASs may have been used as surfactants to enhance recovery of metals from ores in copper and gold mines. (UNEP 2011) o PFASs are used in the ore flotation process. This includes aluminum and vanadium. (Kissa 2001) o PFASs are also used in nitrogen flotation to recover uranium. (Kissa 2001) Photographic industry

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  • The use of surfactants to aid and improve the

    The use of surfactants to aid and improve the leaching of low grade copper ores @inproceedings{Shah2017TheUO, title={The use of surfactants to aid and improve the leaching of low grade copper ores}, author={Kush N. Shah}, year={2017} }

    Live Chat
  • Effect of surfactant on the growth and activity of

    This recommends that surfactants should be used at as low a concentration as practicable for the bioleaching of metals from ores. High surfactant concentrations have been reported to decrease leaching reagent diffusion to the ore surface by formation of a surfactant layer around the ore ( Hiroyoshi et al., 1995 ) and to damage cell membranes ( Florian and Sand, 2012 , Harrison et al., 1991 , Partearroyo

    Live Chat
  • Toxic chemicals used in mining savethesantacruzaquiferfo

    Copper Sulfuric Acid is used for leaching of copper from oxide ore, and some sulfide ores. The leaching solution is claimed to be diluted and recycled. However, it is recycled into lined ponds of high toxic levels of sulfuric acid. The sulfuric acid can enter the soil and groundwater through breaks, spills, tears in liners.

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  • Use of Cationic Surfactants In the Cyanidation of

    The present inventors have also unexpectedly discovered that while some of the surfactants used to treat the ore or concentrate may result in the formation of large amount of foaming or froth during the leaching process caused by the movement of the ores and/or the intentional introduction or in situ generation of air/oxygen during the leaching

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