Gold

1 - 3 of 3 results

Towards a more environmentally friendly process for gold: models on gold adsorption onto activated carbon from ammoniacal thiosulfate solutions In the context of gold extraction, leaching is the dissolution of the metal or even a mineral in a liquid phase. Thus, it is of a primary concern the dissolution of gold in an aqueous solution, operation which requires both a complexant and an oxidant to achieve acceptable leaching rates and yields. Desalination 211 (2007)
Role of emulsifier in the extraction of gold (III) ions from aqueous solutions using the emulsion liquid membrane technique Extraction of gold (III) ions from aqueous solutions by two types of emulsifier using the emulsion liquid membrane technique was investigated. Experimental results for the batch extraction of gold (III) ions using a surfactant liquid membrane technique are presented. A comparison was made between a Desalination 162 (2004)
Removal of gold as Au(Tu)2+ complex with a supported liquid membrane containing macrocyclic polyethers ligands as carriers Facilitated transport of gold(I) ions in acidic thiourea medium, across a Supported Liquid Membrane (SLM) by using dibenzo-18-crown-6 (DB18C6), diaza-18-crown-6 (DA18C6), hexathia-18-crown-6 (HT18C6) and hexaaza-18-crown-6 (HA18C6) as carriers, dissolved in chloroform, has been investigated. The fun Desalination 144 (2002)

Towards a more environmentally friendly process for gold: models on gold adsorption onto activated carbon from ammoniacal thiosulfate solutions

In the context of gold extraction, leaching is the dissolution of the metal or even a mineral in a liquid phase. Thus, it is of a primary concern the dissolution of gold in an aqueous solution, operation which requires both a complexant and an oxidant to achieve acceptable leaching rates and yields.

Desalination 211 (2007)

Role of emulsifier in the extraction of gold (III) ions from aqueous solutions using the emulsion liquid membrane technique

Extraction of gold (III) ions from aqueous solutions by two types of emulsifier using the emulsion liquid membrane technique was investigated. Experimental results for the batch extraction of gold (III) ions using a surfactant liquid membrane technique are presented. A comparison was made between a

Desalination 162 (2004)

Removal of gold as Au(Tu)2+ complex with a supported liquid membrane containing macrocyclic polyethers ligands as carriers

Facilitated transport of gold(I) ions in acidic thiourea medium, across a Supported Liquid Membrane (SLM) by using dibenzo-18-crown-6 (DB18C6), diaza-18-crown-6 (DA18C6), hexathia-18-crown-6 (HT18C6) and hexaaza-18-crown-6 (HA18C6) as carriers, dissolved in chloroform, has been investigated. The fun

Desalination 144 (2002)

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