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Pourkarimi, Ziaeddin, Habibi, Hossein, Hashemi, Seyed Hossein, Pirouzan, Dorna, Parvareh, Gholamreza, Rahimi, Mehdi. (1404). The optimization of effective parameters in the leaching of sodium and potassium salts from electric arc furnace dust. , 59(2), 137-142. doi: 10.22059/ijmge.2025.397385.595270
Ziaeddin Pourkarimi; Hossein Habibi; Seyed Hossein Hashemi; Dorna Pirouzan; Gholamreza Parvareh; Mehdi Rahimi. "The optimization of effective parameters in the leaching of sodium and potassium salts from electric arc furnace dust". , 59, 2, 1404, 137-142. doi: 10.22059/ijmge.2025.397385.595270
Pourkarimi, Ziaeddin, Habibi, Hossein, Hashemi, Seyed Hossein, Pirouzan, Dorna, Parvareh, Gholamreza, Rahimi, Mehdi. (1404). 'The optimization of effective parameters in the leaching of sodium and potassium salts from electric arc furnace dust', , 59(2), pp. 137-142. doi: 10.22059/ijmge.2025.397385.595270
Pourkarimi, Ziaeddin, Habibi, Hossein, Hashemi, Seyed Hossein, Pirouzan, Dorna, Parvareh, Gholamreza, Rahimi, Mehdi. The optimization of effective parameters in the leaching of sodium and potassium salts from electric arc furnace dust. , 1404; 59(2): 137-142. doi: 10.22059/ijmge.2025.397385.595270

The optimization of effective parameters in the leaching of sodium and potassium salts from electric arc furnace dust

International Journal of Mining and Geo-Engineering
مقاله 5، دوره 59، شماره 2، شهریور 2025، صفحه 137-142    اصل مقاله (761.35 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/ijmge.2025.397385.595270
نویسندگان
Ziaeddin Pourkarimi* ؛ Hossein Habibi؛ Seyed Hossein Hashemi؛ Dorna Pirouzan؛ Gholamreza Parvareh؛ Mehdi Rahimi
Iran Mineral Processing Research Center (IMPRC).
چکیده
This study optimized water-based leaching parameters for recovering Na and K salts from electric arc furnace (EAF) dust, while enhancing iron content in the residue. Characterization revealed the dust contained 14% Na₂O, 10.7% K₂O, and 45.3% Fe₂O₃, with particles <15 µm. Response Surface Methodology (RSM) identified temperature (60-70°C) as the most critical factor, achieving 83% Na and 68% K recovery at 25% solid content over 60 minutes. The process enriched the iron grade in the residue by 25% (from 32% to 40% Fe), as validated through large-scale experiments. The method offers dual environmental and economic benefits by minimizing waste and recovering valuable salts.
کلیدواژه‌ها
Electric Arc Furnace (EAF) Dust؛ Sodium and Potassium؛ Water-based leaching؛ Environmental sustainability؛ Waste minimization
مراجع
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تعداد مشاهده مقاله: 19
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