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P removal from Si by Si-Ca-Al alloying-leaching refining: Effect of Al and the CaAl2Si2 phase

Zhu, MY; Yue, SY; Wu, GX; Tang, K; Xu, YJ; Safarian, J

Zhu, MY (corresponding author), Norwegian Univ Sci & Technol NTNU, Dept Mat Sci & Engn, N-7491 Trondheim, Norway.; Yue, SY (corresponding author), Shandong Univ, Shandong Inst Adv Technol SDIAT, Jinan 250061, Peoples R China.; Wu, GX (corresponding author), Forschungszentrum Julich, Inst Energy & Climate Res Microstruct & Propertie, Leo Brandt Str 1, D-52425 Julich, Germany.

SEPARATION AND PURIFICATION TECHNOLOGY, 2021; 271 ():

Abstract

Phosphorus (P) is a critical impurity in metallurgical-grade Si that needed to be removed for solar-grade Si production. The Si-Ca-Al-P system is one ......

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