Effect of crystal growth on the effectiveness of fine purification through counterflow melt crystallization

被引：0

作者：

Devyatykh, GG

Elliev, YE

Kirillov, YP

Malyshev, AY

机构：

[1] Russian Acad Sci, Inst High Pur Subst, Nizhnii Novgorod 603600, Russia

[2] NI Lobachevskii State Univ, Nizhnii Novgorod 603600, Russia

[3] Nizhni Novgorod State Univ, Res Inst Appl Math & Cybernet, Nizhnii Novgorod 603005, Russia

来源：

INORGANIC MATERIALS | 2000年 / 36卷 / 10期

关键词：

Crystallization; Thiophene; Stilbene; Separation Factor; Impurity Concentration;

D O I：

10.1007/BF02757983

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A method is proposed for calculating the axial impurity profile in a crystallization column and assessing the effectiveness of the purification of a substance via counterflow melt crystallization. The method takes into account the combined effect of diffusion and crystallization processes. An approximate equation for the separation factor is derived. The results obtained for a few systems agree well with experiment.

引用

页码：1050 / 1055

页数：6

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