Catalytic pyrolysis of CHF3 over activated carbon and activated carbon supported potassium catalyst

W. Han; E.M. Kennedy; H. Liu; Y. Li; A.A. Adesina; J.C. Mackie; B.Z. Dlugogorski

doi:10.1016/j.jfluchem.2010.03.002

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Catalytic pyrolysis of CHF3 over activated carbon and activated carbon supported potassium catalyst

Journal article

Peer reviewed

Catalytic pyrolysis of CHF3 over activated carbon and activated carbon supported potassium catalyst

W. Han, E.M. Kennedy, H. Liu, Y. Li, A.A. Adesina, J.C. Mackie and B.Z. Dlugogorski

Journal of Fluorine Chemistry, Vol.131(6), pp.698-703

2010

DOI: https://doi.org/10.1016/j.jfluchem.2010.03.002

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Abstract

The catalytic activity of activated carbon (AC) and activated carbon supported potassium for the decomposition of CHF3 was investigated at temperatures between 873 and 1173 K and at a space velocity of 4300 h -1. It is found that activated carbon supported potassium shows high and relatively stable activity during the pyrolysis of CHF3 under the conditions studied. Compared with the gas phase reaction, the conversion of CHF3 increases by up to 10 times between 873 and 1123 K, with the major products being C2F4 and C3F6. Selectivities as high as 55% to C2F4 and 35% to C 3F6 are achieved under optimum conditions. The main byproduct HF readily reacts with K2O in the catalyst, converting the catalyst from K2O/AC into KF/AC. Selectivity to the major products remains relatively constant following this transformation.

Details

Title: Catalytic pyrolysis of CHF3 over activated carbon and activated carbon supported potassium catalyst
Authors/Creators: W. Han (Author/Creator) - University of Newcastle Australia
E.M. Kennedy (Author/Creator) - University of Newcastle Australia
H. Liu (Author/Creator) - Zhejiang University of Technology
Y. Li (Author/Creator)
A.A. Adesina (Author/Creator) - UNSW Sydney
J.C. Mackie (Author/Creator) - University of Newcastle Australia
B.Z. Dlugogorski (Author/Creator) - University of Newcastle Australia
Publication Details: Journal of Fluorine Chemistry, Vol.131(6), pp.698-703
Publisher: Elsevier B.V.
Identifiers: 991005540942807891
Copyright: © 2010 Elsevier B.V.
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.1 Synthesis; 2.1.883 Fluorination Chemistry
Web Of Science research areas: Chemistry, Inorganic & Nuclear; Chemistry, Organic
ESI research areas: Chemistry