Effect of Cr Species in CrO<sub>x</sub>-Y<sub>2</sub>O<sub>3</sub> Catalyst on Chlorine/Fluorine Exchange Reactions
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第一作者：XING, Li-Qiong
发表时间：2009-01-01
发表刊物：Acta Physico-Chimica Sinica
所属单位：物理化学研究所
文献类型：期刊
卷号：Vol.25
期号：No.9
页面范围：1928-1932
关键字：Calcination;atmosphere;Calcination;temperature;Chlorine/fluorine;exchange;reaction;CrOx-Y2O3;catalyst;HFC-134a
摘要：CrOx-Y2O3 catalystswere prepared by a deposition-precipitationmethod and tested by fluorinating 2-chloro-1,1,1-trifleuoroethane (HCFC-133a) to synthesize 1,1,1,2-tetrafluoroethane (HFC-134a). Using Raman spectrum and X-ray powder diffraction (XRD) techniq
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