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Preparation and Defluorination Performance of Activated Cerium(IV) Oxide/SiMCM-41 Adsorbent in Water
Ying-Ming Xu1, An-Rong Ning, Jing Zhao
1Key Laboratory of Ago-product Pollution Control of MOA, Agro-environmental Protection Institute of MOA, Tianjin, 300191, People's Republic of China
Journal of Colloid and Interface Science
|March 10, 2001
Abstract:
By using the wetness impregnation-coprecipitation method, a new adsorbent, cerium(IV) oxide coated on SiMCM-41 ((Ce)SiMCM-41), was prepared for removal of fluoride ions from water. Factors investigated were number of impregnations, Ce/Si ratios, concentrations of F(-) ions, pH values, and calcination temperatures. The dynamics, isotherms, and mechanism of adsorption of F(-) ions were discussed. Copyright 2001 Academic Press.