2011
DOI: 10.1016/j.solmat.2010.02.011
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Refining of MG-Si by hybrid melting using steam plasma and EMC

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Cited by 40 publications
(14 citation statements)
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“…Here, the silicon melt is regarded as a dilute solution with respect to boron and Henry's law is obeyed (coefficient of activity, f B ½ ð Þ ¼ 1). HBO(g) has been considered the most volatile boron substance in the literature, [19,24,25] and this is in agreement with current calculations, as shown in Figure 3. HBO is approximately two orders of magnitude more volatile than the most stable boron oxide and hydride.…”
Section: The Thermodynamics Of Volatile Boron Spicessupporting
confidence: 88%
“…Here, the silicon melt is regarded as a dilute solution with respect to boron and Henry's law is obeyed (coefficient of activity, f B ½ ð Þ ¼ 1). HBO(g) has been considered the most volatile boron substance in the literature, [19,24,25] and this is in agreement with current calculations, as shown in Figure 3. HBO is approximately two orders of magnitude more volatile than the most stable boron oxide and hydride.…”
Section: The Thermodynamics Of Volatile Boron Spicessupporting
confidence: 88%
“…Therefore, the synergy effect of H 2 O-H 2 gas mixtures has been investigated. HBO gas, which can be formed when H and O sources exist, is considered the most volatile B compound according to many studies [17,20]. Safarian Figure 2a.…”
Section: Thermodynamic Studymentioning
confidence: 99%
“…To decrease environmental pollution and energy consumption, new refining techniques have been developed, including metallurgical purification processes such as directional solidification, secondary refining, slag refining, hydrometallurgy, solvent refining, and plasma refining [14][15][16][17][18]. Boron (B), one of the major impurities in Si with a large segregation coefficient and low vapor pressure, is difficult to separate from Si using traditional metallurgical methods such as vacuum refining and directional solidification, as opposed to other impurities such as iron, tin, and aluminum [19,20]. Possible methods of refining Si include solvent refining and gas blowing; however, their use in industry is limited because of their high cost and associated processing difficulties [13,[21][22][23][24].…”
Section: Introductionmentioning
confidence: 99%
“…The purification of MG-Si through metallurgical routes such as directional solidification [1,2], slag refining [3][4][5], oxidation with plasma melting [6][7][8][9], and vacuum melting [10,11] has been investigated. The individual process has its own limitations and does not allow removal of all impurities.…”
Section: Introductionmentioning
confidence: 99%