Results 11 to 20 of about 832,680 (294)
Recovery of Gold from the Refractory Gold Concentrate Using Microwave Assisted Leaching
Metals, 2020 Microwave technology has been confirmed to be suitable for use in a wide range of mineral leaching processes. Compared to conventional leaching, microwave-assisted leaching has significant advantages.
Kanghee Cho +5 more
doaj +2 more sources
, 2019 This study focused on evaluating sodium thiocyanate as an alternative reagent to the conventional cyanidation process for leaching of gold ores. Goldcorp’s Coffee project in Yukon-Canada supplied three mineral samples namely, Supremo Oxide 68151, Supremo oxide 68151, Supremo Composite 72142 for this study.
Yeboah, Sarpomah Roselyn
core +3 more sources
Technology for Aiding the Cyanide Leaching of Gold Ores
SeparationsCyanide leaching technology was studied for low-grade oxidized gold ores in Guangxi Province. The gold grade of the raw ores was 1.32 g/t. The gold leaching rate was 90.91% under the optimal conditions for the following conventional leaching process ...
Jiahong Han +4 more
doaj +2 more sources
Intensification Behavior of Mercury Ions on Gold Cyanide Leaching
Metals, 2018 Cyanidation is the main method used to extract gold from gold raw materials; however, a serious problem with this method is the low leaching rate. In order to improve gold leaching, the intensification behavior of mercury ions on gold cyanide leaching ...
Qiang Zhong +5 more
doaj +2 more sources
Kuangchan zonghe liyong, 2022 This article was aimed at a certain tellurium-bearing gold ore and its samples after alkaline leaching. Through the process mineralogical analysis of two samples, the elemental composition, mineral composition and minerals of the ore in the sampleswere ...
Chao Xu +5 more
doaj +1 more source
Selective Pre-leaching of Tellurium From Telluride-Type Gold Concentrate
Frontiers in Chemistry, 2021 With a telluride-type gold ore flotation concentrate as the research object, the Na2S + NaOH collaborative leaching process was applied to selectively separate tellurium before the cyanide leaching of gold and silver.
Wei Yang +9 more
doaj +1 more source
Combined leaching of Carlin-type gold deposit in Guizhou by potassium chlorate and bleaching powder
Materials Research Express, 2022 Cyanidation has been considered an effective process for extracting gold from gold-bearing ores for over 100 years. However, this process also has several disadvantages including it being toxic, inefficient, and unsuitable for leaching gold from ...
Xin Yuan +4 more
doaj +1 more source
Autonomous Solar Metallurgy for High-Purity Gold Recovery from Electronic Waste. [PDF]
Adv Sci (Weinh)Inspired by microbial strategies for metal uptake and biomineralization, defect‐rich copper sulfide (Cu31S16) functions as a solar metallurgical platform that unifies Au(III) capture, reduction, and self‐separation. The bioinspired design enables ultrafast gold recovery from electronic‐waste leachates and the spontaneous formation of millimeter‐scale ...
Liu C +7 more
europepmc +2 more sources
Kuangchan zonghe liyong, 2022 A gold in Henan Province is a complex and argillaceous high oxidation gold mines, and it has the characteristics of complex embedment characteristics, high oxidation rate and serious argillization, which lead to the poor beneficiation indexes .
Ning Yang
doaj +1 more source
Metals, 2022 The nature of gold (Au) ore deposits plays an essential role in determining the best gold recovery method as an alternative to cyanidation, considering environmental concerns.
Jeanne Pauline Munganyinka +8 more
doaj +1 more source