Microwave-assisted leaching for copper recovery from the chalcopyrite concentrate of Sarcheshmeh copper complex

سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 117

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شناسه ملی سند علمی:

JR_IJMGE-56-3_010

تاریخ نمایه سازی: 27 مهر 1401

چکیده مقاله:

Microwave applications in mining and process metallurgy have been the subject of many studies over the past two decades. This paper reviews the microwave-assisted leaching of copper from high-grade sulfide concentrate of the Sarcheshmeh copper complex. Response surface methodology (RSM) is used to optimize the leaching process. In this research, leaching experiments were carried out in a multi-mode cavity, and times in the presence of varying concentrations of H۲O۲ with microwave assistance after the leaching process parameters including type and concentration of the oxidizing agent, NaCl concentration, and leaching temperature, were optimized using Taguchi orthogonal array design method. Conventional leaching experiments were also performed to evaluate the influence of microwave radiation. It has been recognized that microwave technology has great potential to improve the extraction efficiency of metals in terms of both reductions in required leaching time and the recovery of valuable metals. Under the optimized conditions, the leaching efficiencies of copper were ۷۵.۳% and ۴۲.۵% in ۳ hours by microwave assistance and conventional leaching methods, respectively..

نویسندگان

Saeid Zandevakili

Department of Mining Engineering, Vali-e-Asr University of Rafsanjan, Kerman, Iran

Mohammad Reza Akhondi

Department of Mining Engineering, Vali-e-Asr University of Rafsanjan, Kerman, Iran

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