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Ahmad Ghahreman

Queen's University

SCHOLARLY PAPERS

5

DOWNLOADS

340

TOTAL CITATIONS

0

Scholarly Papers (5)

1.

The Role of Thiosulfate and Sulfite in Gold Thiosulfate Electrowinning Process: An Electrochemical View

Number of pages: 22 Posted: 13 May 2022
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Queen's University
Downloads 109 (645,052)

Abstract:

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Gold, electrochemistry, thiosulfate, sulfite, Electrowinning

2.

A Case Study on the Limited Gold Recovery from Non-Ammoniacal Thiosulfate Leaching of a Refractory Gold Ore Oxidized in Alkaline Pressure Conditions

Number of pages: 25 Posted: 07 May 2022
Sugyeong Lee, Farzaneh Sadri and Ahmad Ghahreman
affiliation not provided to SSRN, affiliation not provided to SSRN and Queen's University
Downloads 75 (837,727)

Abstract:

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thiosulfate gold leaching, non-ammoniacal leaching, refractory gold ore, alkaline pressure oxidation

3.

Adsorption of Sulfur on Lanxess Lewatit® AF 5 Catalyst During the Acidic Albion Leaching Process for Chalcopyrite

Number of pages: 25 Posted: 17 Dec 2022
Omid Marzoughi, Chris Pickles and Ahmad Ghahreman
Queen's University, Queen's University and Queen's University
Downloads 68 (891,180)

Abstract:

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Acidic Albion leaching, Chalcopyrite, Lanxess Lewatit® AF 5, adsorption, Adsorption isotherm, Elemental sulfur

4.

Sulfur Adsorption on Lanxess Lewatit® Af 5 Catalyst During the Acidic Albion Leaching Process: Kinetics, Adsorption Isotherms and Thermodynamics

Number of pages: 22 Posted: 19 Aug 2022
Omid Marzoughi, Chris Pickles and Ahmad Ghahreman
Queen's University, Queen's University and Queen's University
Downloads 45 (1,121,190)

Abstract:

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Acidic Albion leaching, Chalcopyrite, Lanxess Lewatit® AF 5, Adsorption, Adsorption isotherm, Elemental sulfur

5.

The Role of Low Concentrations of Tetrathionate and Trithionate on Leaching and Electrochemical Behavior of Gold in Non-Ammoniacal Calcium Thiosulfate Media

Number of pages: 33 Posted: 28 Jun 2022
Farzaneh Sadri, Masih Soleymani and Ahmad Ghahreman
affiliation not provided to SSRN, affiliation not provided to SSRN and Queen's University
Downloads 43 (1,183,237)

Abstract:

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non-ammoniacal thiosulfate leaching, gold dissolution, tetrathionate, trithionate, mixed potential, Electrochemistry