Official PDF Translation•Academic Research Journal

Preparation of high-purity tellurium based on simulation-assisted zone refining

Authors: Qing-hua TIAN; Zhi-qiang HE; Zhi-peng XU; Hai-bei WANG; Liu ZHU

DOI: 10.1016/S1003-6326(25)66987-1Status: Verified Translated Edition

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Key Findings in This Report

• Simulation-assisted control of molten zone length improves tellurium purification efficiency. • COMSOL Multiphysics simulation accurately predicted molten zone length, validated by experiments. • Zone refining achieved >95% removal of Ca and Cu, and >70% removal of P from tellurium. • Final tellurium purity reached 6N under optimized conditions.