Production of TFE by Catalytic Pyrolysis of Chlorodifluoromethane (CHClF2)
- Authors
- Sung, Dae Jin; Moon, Dong Ju; Kim, Joonho; Moon, Sangjin; Hong, Suk-In
- Issue Date
- 2006
- Publisher
- ELSEVIER SCIENCE BV
- Citation
- 4th Asia-Pacific Chemical Reaction Engineering Symposium on New Opportunities of Chemical Reaction Engineering in Asia-Pacific Region, v.159, pp.233 - 236
- Abstract
- The catalytic pyrolysis of R22 over metal fluoride catalysts was studied at 923K. The catalytic activities over the prepared catalysts were compared with those of a non-catalytic reaction and the changes of product distribution with time-on-stream (TOS) were investigated. The physical mixture catalysts showed the highest selectivity and yield for TFE. It was found that the specific patterns of selectivity with TOS are probably due to the modification of catalyst surface. Product profiles suggest that the secondary reaction of intermediate CF2 with HF leads to the formation of R23.
- ISSN
- 0167-2991
- URI
- https://pubs.kist.re.kr/handle/201004/116725
- Appears in Collections:
- KIST Conference Paper > 2006
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