Eco-friendly and economical extraction of gold from a refractory gold ore in iodide solution using persulfate as the oxidant
Sign Up to like & getrecommendations! Published in 2020 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2020.105502
Abstract: Abstract Iodine–iodide leaching is an effective and environmentally friendly gold extraction method that is expected to replace cyanidation. However, as the price of iodine is relatively high, for the industrial application of iodine–iodide leaching, decreasing… read more here.
Keywords: gold refractory; extraction; extraction gold; gold extraction ... See more keywords
Gold extraction from paleochannel ores using an aerated alkaline glycine lixiviant for consideration in heap and in-situ leaching applications
Sign Up to like & getrecommendations! Published in 2019 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2019.04.023
Abstract: Abstract The decreasing grades of some gold deposits combined with the increasing depths, difficult surface topography, socioeconomic and geopolitical pressures often make the processing of such deposits infeasible by conventional mining, comminution and leaching technologies.… read more here.
Keywords: situ leaching; gold extraction; glycine; gold ... See more keywords
Graphene for gold extraction
Sign Up to like & getrecommendations! Published in 2022 at "National Science Review"
DOI: 10.1093/nsr/nwac160
Abstract: Gold is a unique element, characterized not only by limited, though still reasonable, availability (useful for monetary applications) but also for its rather unique properties useful formany industries [1]: chemical inertness, high electrical conductivity, plasticity,… read more here.
Keywords: graphene; waste; gold extraction; capacity ... See more keywords
A customized MOF-polymer composite for rapid gold extraction from water matrices
Sign Up to like & getrecommendations! Published in 2023 at "Science Advances"
DOI: 10.1126/sciadv.adg4923
Abstract: With the fast-growing accumulation of electronic waste and rising demand for rare metals, it is compelling to develop technologies that can promotionally recover targeted metals, like gold, from waste, a process referred to as urban… read more here.
Keywords: polymer composite; gold extraction; extraction; mof polymer ... See more keywords
Effect of Graphene Oxide on the Properties of Polymer Inclusion Membranes for Gold Extraction from Acidic Solution
Sign Up to like & getrecommendations! Published in 2022 at "Membranes"
DOI: 10.3390/membranes12100996
Abstract: The cyanidation leaching method is hazardous to the environment, but it is widely applied in the gold mining process because it is effective for gold extraction. This study fabricates polymer inclusion membranes (PIMs), which have… read more here.
Keywords: gold extraction; inclusion membranes; extraction; polymer inclusion ... See more keywords
Improvement of Gold Leaching from a Refractory Gold Concentrate Calcine by Separate Pretreatment of Coarse and Fine Size Fractions
Sign Up to like & getrecommendations! Published in 2017 at "Minerals"
DOI: 10.3390/min7050080
Abstract: A total gold extraction of 70.2% could only be reached via direct cyanidation from a refractory As-, S- and C-bearing gold concentrate calcine, and the gold extraction varied noticeably with different size fractions. The reasons… read more here.
Keywords: calcine; size fractions; gold concentrate; gold extraction ... See more keywords