Catalytic dehydrofluorination of 1,1,1,2,3-pentafluoropropane (HFC-245eb) to 2,3,3,3-tetrafluoropropene (HFO-1234yf) using in-situ fluorinated chromium oxyfluoride catalyst
- Authors
- Lim, Seoyeon; Kim, Min Soo; Choi, Jae-Wook; Kim, Honggon; Ahn, Byoung Sung; Lee, Sang Deuk; Lee, Hyunjoo; Kim, Chang Soo; Suh, Dong Jin; Ha, Jeong-Myeong; Song, Kwang Ho
- Issue Date
- 2017-09
- Publisher
- Elsevier BV
- Citation
- Catalysis Today, v.293, pp.42 - 48
- Abstract
- As part of an effort to prepare a refrigerant with zero ozone depletion potential (ODP) and with a low global warming potential (GWP), the catalytic dehydrofluorination of 1,1,1,2,3-tetrafluoropropane (HFC-245eb) is performed to produce 2,3,3,3-tetrafluoropropene (HFO-1234yf). Cr2O3 prepared by the sol-gel method (Cr2O3(SG)) exhibits good catalytic activity attributable to the formation of surface chromium oxyfluoride, which exhibits better catalytic activity with high-valent chromium and a larger fluorine content. The formation of chromium oxyfluoride from chromium oxide is achieved by in-situ fluorination in the early stage of dehydrofluorination, avoiding the conventional fluorination method using toxic HF. (C) 2016 Elsevier B.V. All rights reserved.
- Keywords
- GAS-PHASE FLUORINATION; 2-CHLORO-3,3,3-TRIFLUOROPROPENE; 1,1,2,3-TETRACHLOROPROPENE; PERFORMANCE; FLUORIDE; OXIDE; CFC; Dehydrofluorination; HFC-245eb; HFO-1234yf; Chromium oxyfluoride; Catalyst
- ISSN
- 0920-5861
- URI
- https://pubs.kist.re.kr/handle/201004/122277
- DOI
- 10.1016/j.cattod.2016.11.017
- Appears in Collections:
- KIST Article > 2017
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