引用本文:
宋宽秀, 严玉清, 颜秀茹, 聂建明. CeO2/SiO2粒状除氟剂的制备及其对F-的吸附性能[J]. 应用化学,
2003, 20(6): 586-589.
Citation: SONG Kuan-Xiu, YAN Yu-Qing, YAN Xiu-Ru, NIE Jian-Ming. Preparation of Granular CeO2/SiO2 and Its Adsorptivity Towards F-[J]. Chinese Journal of Applied Chemistry, 2003, 20(6): 586-589.
Citation: SONG Kuan-Xiu, YAN Yu-Qing, YAN Xiu-Ru, NIE Jian-Ming. Preparation of Granular CeO2/SiO2 and Its Adsorptivity Towards F-[J]. Chinese Journal of Applied Chemistry, 2003, 20(6): 586-589.
CeO2/SiO2粒状除氟剂的制备及其对F-的吸附性能
English
Preparation of Granular CeO2/SiO2 and Its Adsorptivity Towards F-
Abstract:
Granular CeO2/SiO2 capable of absorbing fluorine regents has been prepared by impregnation method followed by calcination.The samples are characterized by DTA-TG,XRD and IR and the F- adsorbi-lity measurements.The adsorptivity of CeO2/SiO2 tow ards F- is decreased with increase in calcination temperature in the range of 400 to 800℃.The isothermal adsorption of F- on CeO2/SiO2 conforms to Freundlich equation.CeO2 in CeO2/SiO2 sample obtained from calcination at 400℃ appeared to be a crystalline.
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Key words:
- CeO2/SiO2
- / fluorine adsorbing reagent
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