efficient processing of gold
Highly efficient and selective extraction of gold by reduced
2022.8.2 The graphene areas spontaneously reduce gold ions to metallic gold, and the oxidized regions allow good dispersibility of the rGO material so that efficient adsorption and reduction of gold...
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A systematic review of sustainable gold extraction from raw ores
2022.3.1 Introduction Gold is the most important precious metal in the world, with estimated reserves of 54,000 tons ( Garside, 2019 ). Global gold demand has increased
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A systematic review of gold extraction: Fundamentals
2022.10.15 The major processes of gold hydrometallurgy involve pretreatment, leaching, and purification. Leaching by cyanide has always been a dominant position in
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Extraction of Gold from Refractory Gold-Bearing Ores by
2020.11.12 A novel approach for ensuring the efficient extraction of gold from such ores consists in the Reducing Pyrometallurgical Selection (RPS) process. RPS is
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Highly efficient and selective extraction of gold by reduced
Here we report an approach based on reduced graphene oxide (rGO) which provides an ultrahigh capacity and selective extraction of gold ions present in ppm concentrations
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High-efficiency gold recovery by additive-induced ... - Nature
2023.3.9 A gold-recovery efficiency of 99.8% has been achieved when dibutyl carbitol is used as the additive. The rapid cocrystallization is highly selective for [AuBr 4]
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(PDF) Highly efficient and selective extraction of gold
2022.8.2 PDF Materials capable of extracting gold from complex sources, especially electronic waste (e-waste), are needed for gold resource sustainability and... Find, read and cite all the research ...
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Turning waste into wealth: efficient and rapid capture of gold from ...
2022.9.1 Abstract. A method to selectively capture and separate gold from secondary resources is urgently needed to offset the increasing depletion of gold resources, and to
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Mechanism of selective gold extraction from multi-metal
2020.3.19 The electrodeposition-redox replacement (EDRR) process is a promising method for a selective extraction of minor metals from complex mixtures. When it is performed in a benign medium (such as
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Simultaneous Separation and Recovery of Gold and
2022.2.9 Exploiting efficient strategies for the selective separation and extraction of valuable metals from e-waste is in urgent demand to offset the ever-increasing depletion of metal resources, satisfy the sustainable
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