Basic bath chemical analysis using X-ray Diffraction technology

被引：0

作者：

Al Halwachi, Hussain Abdullah ^{[1
]}

机构：

[1] Aluminium Bahrian, Alba Lab, Manama, Bahrain

来源：

MATERIALS AND MANUFACTURING PROCESSES | 2007年 / 22卷 / 7-8期

关键词：

aluminium production; bath chemical analysis; electrolytic pots; smelters; X-ray Diffraction (XRD) technology;

D O I：

10.1080/10426910701453875

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electrolytic pot basic bath analysis was determined for percentage sodium fluoride content during Alba reduction Line 5 start-up project by using X-ray Diffraction (XRD) technology. The percentage of sodium fluoride was expressed as excess aluminium fluoride in negative value. In absence of chiolite, the fluorite content is measured to determine the bath sample acidity. If chiolite and fluorite are not present in the bath, sodium fluoride is measured to obtain the negative value of excess A1F(3) in electrolytic pot basic bath. The percentage of sodium fluoride in the basic bath was confirmed by the Pechiney/Alcan method for determination of excess fluorides content using wet chemical volumetric method.

引用

页码：934 / 938

页数：5

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