- Hydrometallurgy
- Leaching of metal-bearing ores using various methods
- Metals separation and solution purification or concentration using conventional methods or solvent extraction method
- metal winning (electrowinning, precipitation and reduction)
- Mechanochemistry
- Mechanochemical leaching
- Mechanochemical reduction
- Mechanochemical synthesis
- Mechanical activation
- Mineral Processing
- Lead and Zinc flotation, copper flotation
- Dense medium separation of lead and zinc ores
- Process optimization (crushing, milling, sieving, mineral process circuits)
- Mine Wastes, Industrial Tails or residues Recycling and Management
- Recycling of Valuable Metals (Co, Ni, Mn, Zn, Cu, Cd, Pb, …) from wastes, tails or residues
- Sustainable treatment of wastes, tails, and residue
- Pedram Ashtari; Saeid Karimi; Seyyede Atefeh Hosseini. "Reductive leaching of pyrolusite using orange peel as a reducing agent", Journal of Mining and Environment, 2023. doi: 10.22044/jme.2023.13206.2414.
- Saeid Karimi; Pedram Ashtari; Mahshad Mahshad Rafatinia; Zahra Mohammad Alizadeh; Maryam Akbari; Samad Ghasemi. "Replacement of the Chloride Washing Process in the Recovery of Zinc from Steel-Making Dust with an Environmentally Friendly Method Based on Solvent Extraction", Metallurgical Engineering, 24, 4, 2021, 276-285. doi: 10.22076/me.2023.560065.1358
- Ashtari, Pedram, and Parviz Pourghahramani. "Hydrometallurgical recycling of cobalt from zinc plants residue", Journal of Material Cycles and Waste Management (2016): 1-12.
- Ashtari, Pedram, and Parviz Pourghahramani. "Selective mechanochemical alkaline leaching of zinc from zinc plant residue", Hydrometallurgy 156 (2015): 165-172.
- Ashtari, Pedram, and Parviz Pourghahramani. "Zinc extraction from zinc plants residue using selective alkaline leaching and electrowinning", Journal of The Institution of Engineers (India): Series D 96.2 (2015): 179-187.
- Moradkhani, Davod, Rasouli, Maryam, Behnian, Davod, Arjmandfar, Hamid, and Pedram Ashtari. "Selective zinc alkaline leaching optimization and cadmium sponge recovery by electrowinning from cold filter cake (CFC) residue", Hydrometallurgy 115 (2012): 84-92.
- Safarzadeh, Mohammad Sadegh, Davood Moradkhani, and Pedram Ashtari. "Recovery of zinc from Cd–Ni zinc plant residues", Hydrometallurgy 97.1 (2009): 67-72.
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- Mineral Processing
- Hydrometallurgy
- Fluid Mechanics
- Technical English
- Project control and management
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- Director of the mining department (from 2022)
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Head of mineral processing Laboratory (from 2020)
- The best research project in 2023 introduced by the Ministry of Science, Research and Technology of Iran: "Characterization and feasibility of recycling lead and zinc from the calcareous wastes of Angoran mine and their utilization in various industries", Iran Mineral and Materials Procurement and Production Company (IMPASCO), 2023. (https://www.impasco.gov.ir/)
- The best research project in 2020 introduced by the Ministry of Science, Research and Technology of Iran: "Implementation and execution of the hydrometallurgical recycling process of valuable metals (Co, Mn & Zn) from Iranian zinc plants residues on a pilot scale", https://ayerma.ir/en/.