A review of environmentally friendly gold lixiviants: Fundamentals, applications, and commonalities
Gold is mainly extracted by cyanidation; however, cyanide is not only highly toxic to
organisms but is also not a very effective lixiviant for refractory gold ores. Environmentally …
organisms but is also not a very effective lixiviant for refractory gold ores. Environmentally …
Amino acids as lixiviants for metals extraction from natural and secondary resources with emphasis on glycine: A literature review
The past decade has seen significant interest in non-conventional lixiviants, particularly the
growing interest in organic acids and amino acids. Of the amino acids, glycine has much …
growing interest in organic acids and amino acids. Of the amino acids, glycine has much …
Highly efficient and selective recovery of Au (III) from aqueous solution by bisthiourea immobilized UiO-66-NH2: Performance and mechanisms
The design and synthesis of efficient adsorbents for recovery of precious metal from
secondary resources are of great environmental and economic significance. In present …
secondary resources are of great environmental and economic significance. In present …
Cr-based metal–organic frameworks (MOFs) with high adsorption selectivity and recyclability for Au (Ⅲ): Adsorption behavior and mechanism study
Z Chang, B He, X Gong, X Qi, K Liu - Separation and Purification …, 2023 - Elsevier
Preparation of efficient adsorbents is of great significance for the recovery of precious metals
from secondary resources. Herein,–NH 2 was successfully grafted on MIL-101 (Cr) via …
from secondary resources. Herein,–NH 2 was successfully grafted on MIL-101 (Cr) via …
Enhancing Au (III) adsorption capacity and selectivity via engineering MOF with mercapto-1, 3, 4-thiadiazole
C Wang, G Lin, J Zhao, S Wang, L Zhang - Chemical Engineering Journal, 2020 - Elsevier
In this paper, Zr-MOF (Zirconium-based Metal Organic Frameworks) was functionalized with
mercapto-1, 3, 4-thiodiazole and applied to selectively recover Au (III) from wastewater …
mercapto-1, 3, 4-thiodiazole and applied to selectively recover Au (III) from wastewater …
[HTML][HTML] Leaching and recovery of gold from ore in cyanide-free glycine media
P Altinkaya, Z Wang, I Korolev, J Hamuyuni… - Minerals …, 2020 - Elsevier
Glycine has recently gained plenty of attention in gold processing as an alternative lixiviant
to cyanide due to its non-toxicity, efficiency in metal dissolution as well as selectivity for …
to cyanide due to its non-toxicity, efficiency in metal dissolution as well as selectivity for …
The use of new modified activated carbon in thiosulfate solution: A green gold recovery technology
Y Chen, F Zi, X Hu, P Yang, Y Ma, H Cheng… - Separation and …, 2020 - Elsevier
A clean and effective activated carbon modification method aimed at the cleaner production
of gold using activated carbon was investigated in this paper. Activated carbon rich in …
of gold using activated carbon was investigated in this paper. Activated carbon rich in …
Kinetic studies of gold leaching from a gold concentrate calcine by thiosulfate with cobalt-ammonia catalysis and gold recovery by resin adsorption from its pregnant …
The leaching of gold from a gold concentrate calcine using a novel thiosulfate leaching
method that utilizes cobalt-ammonia complex as the oxidant in place of the traditional …
method that utilizes cobalt-ammonia complex as the oxidant in place of the traditional …
Extraction of precious metals from waste printed circuit boards using cyanide-free alkaline glycine solution in the presence of an oxidant
Waste printed circuit boards represent one of the most challenging parts of e-waste
recycling. The extraction of precious metals (gold, silver, palladium and platinum) from waste …
recycling. The extraction of precious metals (gold, silver, palladium and platinum) from waste …
Optimized bioleaching of copper by indigenous cyanogenic bacteria isolated from the landfill of e-waste
In this study, indigenous cyanogenic bacterial strains were isolated on nutrient, minimal salt,
and soil extract media at various culture conditions from two distinct landfills of e-waste, Iran …
and soil extract media at various culture conditions from two distinct landfills of e-waste, Iran …