Hossein Shalchian
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View article: Dissolution Behavior and Kinetics of Copper Sulfide Concentrate in Choline Chloride DES
Dissolution Behavior and Kinetics of Copper Sulfide Concentrate in Choline Chloride DES Open
This study presents a comprehensive investigation of copper extraction from chalcopyrite concentrate using choline chloride–malonic acid (ChCl:Ma) deep eutectic solvent (DES) through an integrated experimental and modeling approach. The wo…
View article: Nitric Acid Purification of Molybdenite Concentrate: Copper-Iron Removal and Development of a Comprehensive Dissolution Kinetics Model
Nitric Acid Purification of Molybdenite Concentrate: Copper-Iron Removal and Development of a Comprehensive Dissolution Kinetics Model Open
The selective removal of impurities from molybdenite concentrates is crucial for producing high-purity molybdenum products. In this study, the purification of molybdenite concentrate was investigated using nitric acid as both a leaching me…
View article: Evaluation of a hybrid pyro–hydrometallurgical process for the selective leaching of rare earth elements from spent NdFeB magnets
Evaluation of a hybrid pyro–hydrometallurgical process for the selective leaching of rare earth elements from spent NdFeB magnets Open
View article: Sustainable Metal Recovery from Photovoltaic Waste: A Nitric Acid-Free Leaching Approach Using Sulfuric Acid and Ferric Sulfate
Sustainable Metal Recovery from Photovoltaic Waste: A Nitric Acid-Free Leaching Approach Using Sulfuric Acid and Ferric Sulfate Open
In recent years, recovering precious and base metals such as silver and copper from end-of-life products has become a fundamental factor in the sustainable development of many countries. This not only supports environmental goals but is al…
View article: Innovative sulfation strategy for efficient recovery of rare earth elements from spent fluorescent lamp powder
Innovative sulfation strategy for efficient recovery of rare earth elements from spent fluorescent lamp powder Open
View article: A novel integrated approach for selective separation and recovery of critical metals from ground cathode-anode mixtures of spent li-ion batteries
A novel integrated approach for selective separation and recovery of critical metals from ground cathode-anode mixtures of spent li-ion batteries Open
View article: Solvometallurgical Properties of Choline Chloride-Based Deep Eutectic Solvents for Copper Extraction from Chalcopyrite: Optimization and Analysis
Solvometallurgical Properties of Choline Chloride-Based Deep Eutectic Solvents for Copper Extraction from Chalcopyrite: Optimization and Analysis Open
This paper focuses on the solvometallurgical properties of choline chloride-based deep eutectic solvents for copper extraction from chalcopyrite concentrate. The study, conducted with scientific rigor, utilized the response surface methodo…
View article: Selective Leaching of Lithium and Beyond: Sustainable Eggshell-Mediated Recovery from Spent Li-Ion Batteries
Selective Leaching of Lithium and Beyond: Sustainable Eggshell-Mediated Recovery from Spent Li-Ion Batteries Open
This study introduces an innovative strategy for the selective leaching of lithium from spent Li-ion batteries. Based on thermodynamic assessments and exploiting waste eggshells as a source of calcium carbonate, an impressive 38% of lithiu…
View article: A Comparison Study on the Recovery of REEs from Red Mud by Sulfation Roasting–Water Leaching and Citric Acid Leaching
A Comparison Study on the Recovery of REEs from Red Mud by Sulfation Roasting–Water Leaching and Citric Acid Leaching Open
In this study, the recovery of rare earth elements (REEs) from red mud (bauxite residue) was explored through a combination of citric acid leaching and sulfation roasting–water leaching processes, introducing an innovative approach to the …
View article: A feasibility study for a circular approach in oil refining: Metals recovery from hydrodesulphurization catalysts
A feasibility study for a circular approach in oil refining: Metals recovery from hydrodesulphurization catalysts Open
View article: Recycled Cobalt from Spent Li-ion Batteries as a Superhydrophobic Coating for Corrosion Protection of Plain Carbon Steel
Recycled Cobalt from Spent Li-ion Batteries as a Superhydrophobic Coating for Corrosion Protection of Plain Carbon Steel Open
A new recycling and film formation scheme is developed for spent Li-ion batteries, which involves the combination of ascorbic-assisted sulfuric leaching and electrodeposition to fabricate a corrosion resistance superhydrophobic coating. Th…
View article: RECOVERY OF IRON FROM LOW-GRADE HEMATITE ORE USING COAL-BASED DIRECT REDUCTION FOLLOWED BY MAGNETIC SEPARATION
RECOVERY OF IRON FROM LOW-GRADE HEMATITE ORE USING COAL-BASED DIRECT REDUCTION FOLLOWED BY MAGNETIC SEPARATION Open
In the present work, iron recovery from a low-grade hematite ore (containing less than 40% iron), which is not applicable in common methods of ironmaking, was studied. Non-coking coal was used as reducing agent. Reduction experiments were …
View article: COMBUSTION PERFORMANCE OF Ni-COATED AND UNCOATED HIGH ENERGETIC ALUMINUM NANOPARTICLES
COMBUSTION PERFORMANCE OF Ni-COATED AND UNCOATED HIGH ENERGETIC ALUMINUM NANOPARTICLES Open
High energetic aluminum nanoparticles are mainly used as additive in solid rocket propellants. However, fabrication of these aluminized energetic materials is associated with decreasing the burning rate of propellants due to problems such …
View article: Investigating the Effect of Mechanical Activation Parameters on Structural Changes and Leaching Rate of Molybdenite Concentrate
Investigating the Effect of Mechanical Activation Parameters on Structural Changes and Leaching Rate of Molybdenite Concentrate Open
In this research, mechanical activation (MA) was employed for leaching rate improvement of molybdenite concentrate in nitric acid media. These experiments were performed in two groups: with and without aluminum oxide (alumina). A full fact…