Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 1    No. 1    October 1991

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THE SEPARATION OF Pb-Sb ALLOYS BY VACUUM DISTILLATION
Dai Yongnian, Zhang Guojing

Kunming Institute of  Technology,Kunming 650093, China

Abstract:This paper summarizes the research results of vacuum distillation of Pb-Sb alloy and crude antimony. In our study,  we have found the basic law which states that in Pb-Sb phase diagrams,  the part which is rich in lead can be used to guide the purification of lead by distillation,  while the part rich in antimony can be used to guide the purification of Sb,  where the compositional point C is the azeotropic mixture. The technical experimental results at temperatures between 700-850 C are coincident with those of theorical study. The expanding experiment at the 100kg scale produced satisfactory results.

 

Key words: Pb-Sb alloy,  vacuum distillation, eparation coefficient

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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