SCI和EI收录∣中国化工学会会刊

›› 2011, Vol. 19 ›› Issue (2): 223-226.

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Determination of Equilibrium Distribution Coefficients of Impurities in Phosphorus by Vertical Zone-melting Technique

任永胜1, 李军2, 段潇潇1   

  1. 1. School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China;
    2. School of Chemical Engineering, Sichuan University, Chengdu 610065, China
  • 收稿日期:2010-11-24 修回日期:2010-12-28 出版日期:2011-04-28 发布日期:2011-04-28
  • 通讯作者: REN Yongsheng,E-mail:ysh.ren@gmail.com
  • 基金资助:
    Supported by the Eleventh Five-year National Key Technology Research and Development Program of China (2007BAE58B01)

Determination of Equilibrium Distribution Coefficients of Impurities in Phosphorus by Vertical Zone-melting Technique

REN Yongsheng1, LI Jun2, DUAN Xiaoxiao1   

  1. 1. School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China;
    2. School of Chemical Engineering, Sichuan University, Chengdu 610065, China
  • Received:2010-11-24 Revised:2010-12-28 Online:2011-04-28 Published:2011-04-28
  • Supported by:
    Supported by the Eleventh Five-year National Key Technology Research and Development Program of China (2007BAE58B01)

摘要: The equilibrium distribution coefficients of 12 impurities (As,Fe,Ca,Co,Al,Cr,Cu,Mg,Mn,Ni,Pb,Zn) in phosphorus were obtained by measuring their effective distribution coefficients at zone travel rate of 3,5,10,15,and 20 mm·h-1 in the purification process with vertical zone-melting technique.The results indicate that the method is reliable.The equilibrium distribution coefficients are below 0.3 except arsenic.

关键词: equilibrium distribution coefficient, phosphorus, zone-melting, purification

Abstract: The equilibrium distribution coefficients of 12 impurities (As,Fe,Ca,Co,Al,Cr,Cu,Mg,Mn,Ni,Pb,Zn) in phosphorus were obtained by measuring their effective distribution coefficients at zone travel rate of 3,5,10,15,and 20 mm·h-1 in the purification process with vertical zone-melting technique.The results indicate that the method is reliable.The equilibrium distribution coefficients are below 0.3 except arsenic.

Key words: equilibrium distribution coefficient, phosphorus, zone-melting, purification