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Thiosulfate leaching is a promising alternative to cyanidation, and the main hindrances for its wide commercial application are the high thiosulfate consumption and the difficult recovery of dissolved gold.
Bin Xu +5 more
doaj +3 more sources
Structural modification of defective WO3 by g-C3N4 for photocatalytic gold recovery from non-cyanide-based plating effluent [PDF]
A set of nCN/WO3 − x composites was synthesized through a simple thermal treatment for gold recovery from the simulated effluent of a non-cyanide-based plating bath.
Pimchanok Longchin +5 more
doaj +2 more sources
Roasting temperature effect on the recovery of refractory gold and silver in pyrite concentrates [PDF]
Pyrite concentrates with refractory gold and silver were roasted at different temperatures to improve the recovery of the metals by cyanide leaching.
Zhang Y.-P. +5 more
doaj +1 more source
Ionic liquids (ILs) have received considerable attention as a promising green solvent for extracting metal ions from aqueous solutions. However, the recycling of ILs remains difficult and challenging because of the leaching of ILs, which is caused by the
Xinyu Cui +4 more
doaj +1 more source
Optimizing Gold Recovery of Artisanal Mining: A Lesson Learned from Kenya
The metallurgical testings to treat the Kenyan artisanal gold mining samples were performed with several processes such as gravity concentration (i.e., Knelson Concentrator and panning), flotation, and cyanidation or leaching.
Izzan Nur Aslam +3 more
doaj +1 more source
Gold as a precious metal resource has high recycling significance. However, the current extraction methods cannot achieve the both efficiency and environmental friendliness.
Feng Feng +10 more
doaj +1 more source
Waste Electronic and Electrical Equipment (WEEE) is one of the fastest growing waste streams worldwide, with significant economic value due to the precious metals contained within.
Jamie Wordsworth +4 more
doaj +1 more source
Synthesis of MnO2 nanowires adsorbent for gold recovery from electroplating wastewater using Taguchi method [PDF]
In this study, MnO2 nanowire adsorbent was synthesized by low cost preparation method that was capable of extracting gold form diluted jewellery waste water solutions. Diïerent adsorption parameters like number of treatment, hold time, pH and agitation
مبینا علیمحمدی +1 more
doaj +1 more source
Gold Recovery from Cyanidation Tailings Using Flotation Process [PDF]
The gold recovery from cyanidation tailings was only 4.01% with the general flotation process, the surface analyses of flotation products were performed, and the results showed that the poor gold recovery with general flotation process was due to the ...
Huang Zhongsheng, Yang Tianzu
doaj +1 more source
Sensitivity of Gold Lixiviants for Metal Impurities in Leaching of RAM Printed Circuit Boards
The importance of gold recovery from waste printed circuit boards is continuously increasing due to raising gold prices and demand as well as the need for innovative and flexible recycling methods for this complex waste stream.
Alexander Birich +3 more
doaj +1 more source

