高纯聚氯化铝的制备及研究进展
收稿日期: 2019-07-14
网络出版日期: 2020-02-26
基金资助
国家科学技术部“十二五”科技计划项目(2011BAA04B05)
Progress in preparation and research of high purity polyaluminium chloride
Received date: 2019-07-14
Online published: 2020-02-26
李文清 , 邹萍 . 高纯聚氯化铝的制备及研究进展[J]. 无机盐工业, 2020 , 52(1) : 30 -34 . DOI: 10.11962/1006-4990.2019-0097
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.
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