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Catalytic fluorination of 1,1,1‐trifluoro‐2‐chloroethane (HCFC‐133a) over chromium catalysts

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Abstract

Catalytic fluorination of HCFC‐133a was performed over various forms unsupported and supported chromium oxides. Catalytic activity is strongly dependent on the morphological structure of chromia. Increased conversion is observed as the crystallinity of chromia decreases. The best catalytic activity and strongest resistance against deactivation observed with CrOx/MgO is attributed to the presence of highly dispersed chromium species (isolated Cr(VI) and oligomeric Cr–O–Cr species) on the support surface.

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Authors and Affiliations

  1. Department of Chemical Engineering and School of Environmental Engineering, Pohang University of Science and Technology, San 31 Hyoja‐Dong, Pohang, 790‐784, Korea

    Dong Hyun Cho, Young Gul Kim & Jong Shik Chung

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  1. Dong Hyun Cho
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  2. Young Gul Kim
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  3. Jong Shik Chung
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Cho, D.H., Kim, Y.G. & Chung, J.S. Catalytic fluorination of 1,1,1‐trifluoro‐2‐chloroethane (HCFC‐133a) over chromium catalysts. Catalysis Letters 53, 199–203 (1998). https://doi.org/10.1023/A:1019090813795

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