کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
186879 | 459627 | 2013 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Silicon recovery from silicon–iron alloys by electrorefining in molten fluorides
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Electrorefining of a silicon-iron material (Si–4.7 at% Fe) in molten NaF-KF at 850 °C was investigated in view of recovering pure Si, using electrochemical techniques, Scanning Electron Microscopy coupled with Energy Dispersive Spectroscopy (SEM-EDS) and Inductively Coupled Plasma with atomic emission spectroscopy (ICP-AES) analyses. The selective electrochemical dissolution of Si was evidenced. Electrorefining runs led to a maximum recovery of 80% of Si initially contained in the material, in the form of a dense deposit at the cathode, with very high current efficiencies. The Si purity was examined and no Fe was detected by ICP-AES analysis: the recovered Si purity was assumed to be higher than 99.99%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 96, 30 April 2013, Pages 97–102
Journal: Electrochimica Acta - Volume 96, 30 April 2013, Pages 97–102
نویسندگان
L. Massot, A.L. Bieber, M. Gibilaro, L. Cassayre, P. Taxil, P. Chamelot,