Search Results - "Ghahreman, Ahmad"

Novel approaches for lithium extraction from salt-lake brines: A review by Liu, Gui, Zhao, Zhongwei, Ghahreman, Ahmad

“…Due to the abundant reserves and increasing demand, the extraction and separation of lithium from salt-lake brines have attracted great interest worldwide…”
Get full text

Review of arsenic metallurgy: Treatment of arsenical minerals and the immobilization of arsenic by Nazari, Amir Mohammad, Radzinski, Rebecca, Ghahreman, Ahmad

“…The attention of mining industry has directed towards the processing of complex arsenic-bearing minerals due to a decrease in the traditional base metal…”
Get full text

Separation and recovery of cobalt and nickel from end of life products via solvent extraction technique: A review by Alvial-Hein, Guillermo, Mahandra, Harshit, Ghahreman, Ahmad

“…The significant development in advanced technologies such as lithium-ion batteries has increased the demand of cobalt and nickel. As a result, continuous…”
Get full text

Review of Lithium Production and Recovery from Minerals, Brines, and Lithium-Ion Batteries by Meng, Fei, McNeice, James, Zadeh, Shirin S., Ghahreman, Ahmad

“…Rechargeable lithium-ion batteries (LIBs) are widely employed in portable electric devices, electric vehicles (EVs), and hybrid electric vehicles (HEVs),…”
Get full text

Selective recovery of valuable metals from industrial waste lithium-ion batteries using citric acid under reductive conditions: Leaching optimization and kinetic analysis by Meng, Fei, Liu, Qingcai, Kim, Rina, Wang, Jingxiu, Liu, Gui, Ghahreman, Ahmad

“…Recycling of valuable metals from waste lithium-ion batteries (LIBs) has recently attracted significant attention due to the environmental and economical…”
Get full text

In-situ oxidative arsenic precipitation as scorodite during carbon catalyzed enargite leaching process by Jahromi, Fazel G., Ghahreman, Ahmad

“…•The use of activated carbon and AF 5 as a catalyst increased the arsenic dissolution.•By increasing the catalyst weight the precipitation onset…”
Get full text

Novel Extraction Process for Gold Recovery from Thiosulfate Solution Using Phosphonium Ionic Liquids by Mahandra, Harshit, Faraji, Fariborz, Ghahreman, Ahmad

“…A novel and sustainable technology to recover gold from thiosulfate medium using ionic liquids, i.e., Cyphos IL 101 (Cy IL 101) and Cyphos IL 102 (Cy IL 102)…”
Get full text

A review on the cracking,baking and leaching processes of rare earth element concentrates by Sadri, Farzaneh, Nazari, Amir Mohammad, Ghahreman, Ahmad

“…Rare earth elements（REE） are a set of seventeen chemical elements in the periodic table, which have been found in a variety classes of minerals in the world…”
Get full text

Green catalytic process for in situ oxidation of Arsenic(III) in concentrated streams using activated carbon and oxygen gas by Wu, Chengqian, Mahandra, Harshit, Radzinski, Rebecca, Ghahreman, Ahmad

“…Arsenic(III) oxidation is a critical pre-treatment step for overall arsenic immobilization in concentrated industrial arsenic streams. Activated carbon (AC)…”
Get full text

A review of thiocyanate gold leaching – Chemistry, thermodynamics, kinetics and processing by Azizitorghabeh, Atefeh, Wang, Jingxiu, Ramsay, Juliana A., Ghahreman, Ahmad

“…[Display omitted] •Gold leaching by thiocyanate as a promising less toxic lixiviant than cyanide.•Thiocyanate resonances and its coordination with gold using…”
Get full text

A review on adsorption mechanism of gold cyanide complex onto activation carbon by Xia, Jinsong, Marthi, Rajashekhar, Twinney, Julia, Ghahreman, Ahmad

“…[Display omitted] Gold is an essential metal in the economy and technologies. Most of the gold is produced from mining and cyanidation is the primary method…”
Get full text

Evaluation of ozone as an efficient and sustainable reagent for chalcopyrite leaching: Process optimization and oxidative mechanism by Wang, Jingxiu, Faraji, Fariborz, Ghahreman, Ahmad

“…[Display omitted] •Chalcopyrite leaching in sulfuric acid solution with ozone was studied.•Ozone leaching mechanism is changed by increased temperature.•Ferric…”
Get full text

Enhanced Gold Recovery from Alkaline Pressure Oxidized Refractory Gold Ore After its Mechanical Activation Followed by Thiosulfate Leaching by Lee, Sugyeong, Sadri, Farzaneh, Ghahreman, Ahmad

“…Pressure oxidation is a widely accepted method to treat refractory gold ores. Gold recovery is generally lower from alkaline than acidic pressure oxidation…”
Get full text

Regeneration and sulfur recovery of Lanxess Lewatit AF 5 catalyst from the acidic Albion leaching process using toluene and tetrachloroethylene as organic solvents by Marzoughi, Omid, Li, Lin, Pickles, Chris, Ghahreman, Ahmad

“…[Display omitted] The removal of elemental sulfur from the final leach residue produced during the atmospheric oxidative leaching of chalcopyrite concentrates…”
Get full text

Exploring Non-ammoniacal Thiosulfate Gold Leaching and Limited Gold Recovery from a Refractory Gold Ore Oxidized in Alkaline Pressure Conditions by Lee, Sugyeong, Sadri, Farzaneh, Ghahreman, Ahmad

“…The application of pressure oxidation (POX) followed by thiosulfate gold leaching is an efficient method used to extract gold from double refractory gold ores…”
Get full text

A comparative study of gold refractoriness by the application of QEMSCAN and diagnostic leach process by Nazari, Amir Mohammad, Ghahreman, Ahmad, Bell, Stacy

“…Quantitative evaluation of minerals by scanning electron microscopy (QEMSCAN) and diagnostic leaching (DL) are the two main methods to evaluate the gold…”
Get full text

Selective heavy rare earth element extraction from dilute solutions using ultrasonically synthesized Cyanex 572 oil droplets and Cyanex 572-impregnated resin by Nazari, Amir Mohammad, McNeice, James, Ghahreman, Ahmad

“…[Display omitted] •Ultrasonically synthesized Cyanex 572 oil droplets introduce a high surface area.•Surfactant showed a significant impact on ζ-potential and…”
Get full text

Mineral carbonation of ultramafic tailings: A review of reaction mechanisms and kinetics, industry case studies, and modelling by Stokreef, Stephen, Sadri, Farzaneh, Stokreef, Arthur, Ghahreman, Ahmad

“…Reduction of greenhouse gas emissions is becoming a greater priority in the mining industry due to increasing social pressures, government incentives, and its…”
Get full text

Effect of Ultrasound on the Oxidative Copper Leaching from Chalcopyrite in Acidic Ferric Sulfate Media by Jingxiu Wang, Fariborz Faraji, Ahmad Ghahreman

“…The objective of this study is to compare the reaction kinetics of copper leaching from chalcopyrite in acidic ferric sulfate media with (UAL) and without…”
Get full text

Gold Leaching from an Oxide Ore Using Thiocyanate as a Lixiviant: Process Optimization and Kinetics by Azizitorghabeh, Atefeh, Mahandra, Harshit, Ramsay, Juliana, Ghahreman, Ahmad

“…Thiocyanate (SCN–) is a promising alternative to cyanide as a lixiviant for gold extraction and is 1000 times less toxic than cyanide. In this study, the…”
Get full text