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Citation: Song Kuanxiu, Yan xiuru, Hu Liuchang, Wang Jianping, Yang Zhaohui. The Adsorption Behavior of RE_xO_y·nH₂O for Fluoride Ion[J]. Chinese Journal of Applied Chemistry, ;1998, 15(4): 92-94. shu

The Adsorption Behavior of RE_xO_y·nH₂O for Fluoride Ion

1.
Department of Chemistry, Tianjin University, Tianjin 300072;
2.
Ji'nan Institute of Pesticide, Ji'nan

Received Date: 5 November 1997
Revised Date: 12 March 1998

The particulate hydrous oxides of rare-earth RE_xO_y · nH₂O(RE=Ce,Nd,La,Pr) have been prepared using polyacrylonitrile as adhesive agent. They showed better fluoride removing property. The adsorption mechanism in relation with the pH value and temperature of the solution have been discussed briefly.
- mixed hydrous rare-earth oxide,
- preparation,
- adsorbent,
- fluoride removing
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沈阳化工大学材料科学与工程学院沈阳 110142

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The Adsorption Behavior of RE_xO_y·nH₂O for Fluoride Ion