Removal of the chlorofluorocarbon 1,1,2-trichloro-1,2,2-trifluoroethane in gas by a corona-discharge reactor
- Kyoto Univ. (Japan). Dept. of Chemical Engineering
Two types of corona-discharge reactors, a deposition-type reactor in which negative ions deposit at the anode and a wetted-wall reactor in which negative ions are absorbed into a liquid film on the anode, are applied to removals of C{sub 2}F{sub 3}Cl{sub 3}. By the deposition-type reactor, the removal efficiency from N{sub 2} increases with the decrease of the inlet concentration, suggesting that this reactor can be applied to remove extremely low concentrations of C{sub 2}F{sub 3}Cl{sub 3}. When the C{sub 2}F{sub 3}Cl{sub 3} concentration is high, there is an optimum concentration of coexisting H{sub 2}O to give the maximum removal efficiency. When O{sub 2} is mixed, the removal efficiency decreases. The removal mechanism is discussed on the basis of dissociative electron attachment, radical reaction, and particle formation. When the C{sub 2}F{sub 3}Cl{sub 3} concentration is high, the wetted-wall reactor shows a higher removal efficiency than the deposition-type reactor. On the other hand, when the C{sub 2}F{sub 3}Cl{sub 3} concentration is low, the result is opposite.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 624327
- Journal Information:
- Industrial and Engineering Chemistry Research, Vol. 37, Issue 4; Other Information: PBD: Apr 1998
- Country of Publication:
- United States
- Language:
- English
Similar Records
Biotic and Abiotic Dehalogenation of 1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113): Implications for Bacterial Detoxification of Chlorinated Ethenes
Hydrodechlorination of 1,1,2-trichloro-1,2,2-trifluoroethane over a nickel catalyst prepared from TiNiH{sub x}