Use of Thiourea Leaching During Gold-Containing Dump Treatment
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DOI: 10.1007/s11015-019-00869-w
Abstract: In Tadzhikistan the volume of gold-containing waste converted to gold is 18 tons. This waste is products of amalgamation and cyaniding processes., and with respect to end component content they may be classified as a… read more here.
Keywords: raw material; use thiourea; treatment; thiourea leaching ... See more keywords
A novel bio-oxidation and two-step thiourea leaching method applied to a refractory gold concentrate
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DOI: 10.1016/j.hydromet.2017.05.023
Abstract: Abstract Biooxidation-thiourea (TU) leaching is considered to be a more environmentally friendly and efficient method than cyanidation to recover gold from refractory sulfide gold-bearing ores/concentrates. However, high consumption of the TU reagent and additional oxidants… read more here.
Keywords: step; method; two step; thiourea leaching ... See more keywords
Response of low-grade gold ore to cyanidation and thiourea leaching
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DOI: 10.1080/02726351.2017.1343881
Abstract: ABSTRACT In this study, leaching tests were conducted on representative samples provided from Hamze-Qarnein gold deposit with grade of 0.8 ppm using cyanidation and thiourea leaching. Effective parameters including particle size, reagent concentration, oxidant concentration, pH,… read more here.
Keywords: grade; cyanidation; thiourea; cyanidation thiourea ... See more keywords