Multi-Stage Recrystallization of Crude Ammonium Perrhenate

被引：0
|
作者：
A. N. Zagorodnyaya
A. S. Sharipova
K. A. Linnik
Z. S. Abisheva
机构：
[1] Institute of Metallurgy and Ore Beneficiation,
来源：
Theoretical Foundations of Chemical Engineering | 2018年 / 52卷
关键词：
crude ammonium perrhenate; pure ammonium perrhenate; multi-stage recrystallization; oversaturation coefficient;
D O I：
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中图分类号：
学科分类号：
摘要：
The results of an investigation dealing with pure ammonium perrhenate synthesis from crude ammonium perrhenate by multi-stage recrystallization are presented. It is shown that it is impossible to produce ammonium perrhenate of the AP-00 grade with the permissible potassium impurity level using this method. Recommendations for synthesis of the salt of the AP-0 grade are given.
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页码：717 / 724
页数：7
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