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2021515 · Highlights • New hydrometallurgical route to copper and gold recycling from e-waste. • Two-stage leaching process provides bulk separation of base from precious metals. • Individual metals refined using highly selective copper and gold extractants. • Proof of concept for the recycling of valuable metals from end-of-life electronics.
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202411 · A review of the geological characteristics and spatiotemporal distribution of copper–gold deposits in the Central Asian Orogenic Belt, Xinjiang, Northwest China
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202261 · By only adjusting the mixing ratio of PEI and PAA, it was possible to recover gold and copper as single constituents or an alloy. A two-step strategy was designed, leading to the successful separation of copper and gold, first through selective adsorption of copper and then by bulk adsorption of copper and gold.
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2019917 · Gravity separation is one of the common methods for gold extraction, which uses different specific gravity of materials and different settlement velocity in the medium to carry out stratified separation. Generally, when gold mostly exists in the form of monomer natural gold, the density difference between gold and gangue is large, it is more effective …
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202372 · A case study of the separation of copper-gold sulfide ore from pyrite using a novel flotation reagent scheme: Insight from first-principles calculations
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2011121 · Copper precipitated under relatively acidic conditions at high temperatures, while gold precipitated under weakly alkaline conditions at relatively low temperatures; this dissociation resulted in the temporal and spatial separation and zonation of copper and gold mineralization in the Shizishan ore field.
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201611 · Abstract The association of gold and copper mineralization in commercially viable ore is a common occurrence. At one end of the spectrum is the predominantly copper ore, which contains levels of gold mineralization. This would be uneconomic to mine for its gold content, but the gold provides a significant opportunity value. This chapter deals with …
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202376 · In laboratory experiments, this new reagent system achieved a substantially better separation of copper-gold sulfide ore and pyrite than the conventional process program. First-principles calculations based on density functional theory (DFT) were used to understand the separation mechanism of the new reagent scheme.
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20151011 · When reviewing Methods of Eliminating Copper from Gold Ores we see that several methods have been suggested to eliminate copper from ores prior to cyanidation. Preliminary extraction of the copper with sulphuric or sulphurous acids may be applicable to ores containing oxidized copper minerals such as malachite, azurite and …
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Spiral Classifier for gold, copper, zinc, lead beneficiation seperation after ball mill, You can get more details about Spiral Classifier for gold, copper, zinc, lead beneficiation seperation after ball mill from mobile site on Alibaba.com
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