Recovery of gold from secondary sources—A review

S Syed - Hydrometallurgy, 2012 - Elsevier
This paper presents an overview of the various methodologies used in the recovery of gold
from secondary sources. Gold recovery is interesting due to its vast industrial applications …

Alternatives to cyanide in the gold mining industry: what prospects for the future?

G Hilson, AJ Monhemius - Journal of Cleaner production, 2006 - Elsevier
This paper reviews a series of alternative lixiviant systems for the recovery of gold from ores
and concentrates. For over 100 years, cyanide has been the leach reagent of choice in gold …

Direct leach approaches to Platinum Group Metal (PGM) ores and concentrates: A review

CN Mpinga, JJ Eksteen, C Aldrich, L Dyer - Minerals Engineering, 2015 - Elsevier
Abstract Platinum Group Metals (PGMs), often with associated gold, have very few
occurrences where they are present in an ore deposit at economically extractable levels …

A review of thiocyanate gold leaching–Chemistry, thermodynamics, kinetics and processing

A Azizitorghabeh, J Wang, JA Ramsay… - Minerals …, 2021 - Elsevier
Thiocyanate is among the most promising alternative gold lixiviants for gold leaching and
has not been extensively covered in the literature. Thiocyanate is 1000 times less toxic than …

[HTML][HTML] A review on alternative gold recovery re-agents to cyanide

M Gökelma, A Birich, S Stopic, B Friedrich - Journal of Materials Science …, 2016 - scirp.org
The importance of gold recovery from low grade ores and flotation tailings is continuously
increasing due to raising gold demand and thereby high gold prices. However, due to …

Recovery of gold from aqueous solutions by taurine modified cellulose: an adsorptive–reduction pathway

AD Dwivedi, SP Dubey, S Hokkanen, RN Fallah… - Chemical Engineering …, 2014 - Elsevier
The aim of the study was to develop green techniques to recover precious gold by the
taurine-modified cellulose (TDAC samples) from the aqueous solution. Adsorption, followed …

[HTML][HTML] Gold leaching from ores using biogenic lixiviants–A review

E Jorjani, HA Sabzkoohi - Current Research in Biotechnology, 2022 - Elsevier
The recovery of gold from different sources, such as ores and concentrates, commonly is
carried out in industry using cyanidation because it has the advantage of high selectivity of …

[HTML][HTML] Ultrasound-assisted cyanide extraction of gold from gold concentrate at low temperature

S Yu, T Yu, W Song, X Yu, J Qiao, W Wang… - Ultrasonics …, 2020 - Elsevier
A sonochemical reactor was developed to study the ultrasound-assisted cyanide extraction
of gold from gold ore at low temperature. The effects of ultrasound on gold leaching in low …

A systematic review of sustainable gold extraction from raw ores using alternative leaching reagents

R Sousa, MJ Regufe, A Fiúza, MM Leite… - The Extractive Industries …, 2022 - Elsevier
Drawing on recent experimental and commercial developments, this review reappraises
potential substitute leach reagents for cyanide in the gold mining sector. In addition to …

Gold dissolution from ore with iodide-oxidising bacteria

SY Khaing, Y Sugai, K Sasaki - Scientific reports, 2019 - nature.com
Gold leaching from ore using iodide-iodine mixtures is an alternative to gold cyanidation.
This study evaluated the ability of iodide-oxidising bacteria to solubilise gold from ore that …