CATALYTIC OXIDATIVE DECOMPOSITION OF CHLOROFLUOROCARBON (CFCS) IN THEPRESENCE OF HYDROCARBONS

Authors
NAGATA H TAKAKURA T TASHIRO S KISHIDA M MIZUNO K TAMORI I WAKABAYASHI K
Citation
H. Nagata et al., CATALYTIC OXIDATIVE DECOMPOSITION OF CHLOROFLUOROCARBON (CFCS) IN THEPRESENCE OF HYDROCARBONS, Applied catalysis. B, Environmental, 5(1-2), 1994, pp. 23-31
Citations number
13
Categorie Soggetti
Chemistry Physical","Engineering, Environmental
Journal title
Applied catalysis. B, Environmental → ACNP
ISSN journal
09263373
Volume
5
Issue
1-2
Year of publication
1994
Pages
23 - 31
Database
ISI
SICI code
0926-3373(1994)5:1-2<23:CODOC(>2.0.ZU;2-F
Abstract
The catalytic oxidative decomposition of CFCs containing two carbon at oms was investigated in the presence of hydrocarbons (C-1-C-4 alkanes) over silica and various acidic metal oxides. It was found that CFC-11 5 was the most difficult to be decomposed among CFC-113, CFC-114, and CFC-115, and that gamma-alumina was the most active catalyst, The CFC- 115 conversion over gamma-alumina was lower in the presence of methane than in the presence of the other hydrocarbons. In addition, the acti vities of gamma-alumina-supported metal and metal oxide catalysts were investigated for the oxidative decomposition of CFC-115 in the presen ce of n-butane. Tungsten(VI) oxide and vanadium(V) oxide catalysts exh ibited the highest activity.