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

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

• THERMODYNAMICS AND CHEMICAL ENGINEERING DATA • Previous Articles Next Articles

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

REN Yongsheng¹, LI Jun², DUAN Xiaoxiao¹

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)

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. School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China;
2. School of Chemical Engineering, Sichuan University, Chengdu 610065, China

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)

Abstract

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

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

REN Yongsheng, LI Jun, DUAN Xiaoxiao. Determination of Equilibrium Distribution Coefficients of Impurities in Phosphorus by Vertical Zone-melting Technique[J]. , 2011, 19(2): 223-226.

任永胜, 李军, 段潇潇. Determination of Equilibrium Distribution Coefficients of Impurities in Phosphorus by Vertical Zone-melting Technique[J]. , 2011, 19(2): 223-226.

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

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

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