Melt-Vapor Phase Diagram of the Te-S System

被引：22

作者：

Volodin, V. N. ^{[1
]}

Trebukhov, S. A. ^{[1
]}

Kenzhaliyev, B. K. ^{[1
]}

Nitsenko, A. V. ^{[1
]}

Burabaeva, N. M. ^{[1
]}

机构：

[1] Inst Met & Ore Beneficat JSC, Alma Ata 09211, Kazakhstan

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2018年 / 92卷 / 03期

关键词：

tellurium; sulfur; vapor pressure; phase diagram; melt; vapor; boundaries; phase;

D O I：

10.1134/S0036024418030330

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The values of partial pressure of saturated vapor of the constituents of the D cent D mu-S system are determined from boiling points. The boundaries of the melt-vapor phase transition at atmospheric pressure and in vacuum of 2000 and 100 Pa are calculated on the basis of partial pressures. A phase diagram that includes vapor-liquid equilibrium fields whose boundaries allow us to assess the behavior of elements upon distillation fractioning is plotted. It is established that the separation of elements is possible at the first evaporation-condensation cycle. Complications can be caused by crystallization of a sulfur solid solution in tellurium.

引用

页码：407 / 410

页数：4

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