Reviews and Special Topics

Progress in preparation and research of high purity polyaluminium chloride

  • Wenqing Li ,
  • Ping Zou
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  • Shenhua Zhungeer Energy Resource Comprehensive Development Co. Ltd.,Erdos 010300,China

Received date: 2019-07-14

  Online published: 2020-02-26

Abstract

In recent years,with the rapid development of modern water treatment technology,high purity polyaluminium chloride as an excellent inorganic coagulant has attracted wide attention.In the conventional polyaluminum chloride production process,the content of iron and other heavy metal ions in the product is high.Therefore,the control of the impurity content is particularly important for the production of high purity polyaluminum chloride.The research progress,advantages and disadvantages of five main methods for preparation of high purity polyaluminum chloride(direct synthesis,purification,electrolysis,gelation and pyrolysis activation) were summarized.The problems existing in the preparation process of high purity polyaluminum chloride were pointed out.Finally,the development trend of high purity polyaluminum chloride was prospected.

Cite this article

Wenqing Li , Ping Zou . Progress in preparation and research of high purity polyaluminium chloride[J]. Inorganic Chemicals Industry, 2020 , 52(1) : 30 -34 . DOI: 10.11962/1006-4990.2019-0097

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