ISSN:
1572-8986
Keywords:
Plasma-assisted decomposition
;
electron beam
;
plasma reactor
;
1,1,1-trichloroethane
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
,
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Technology
Notes:
Abstract Dilute concentrations of 1,1,1-trichloroethane (TCA) in air were decomposed in an electron beam generated plasma reactor. The energy required for high levels of TCA decomposition (greater than 90%) was determined as a function of inlet concentration. For 99%, decomposition of TCA, ez300 eV/molecule at 250 ppm inlet concentration, and ε¨~100 eV/molecule at 3000 ppm. A radical reaction mechanism is proposed which accounts for the formation of the major reaction products: 1,1-dichloroethylene, HCl, chloroacetylchloride, CO2, and COCl2. A model is derived based on first-order inhibited kinetics; a fit of the data to the model shows that at high decomposition fractions, radical scavenging by reaction products is a significant inhibitor of TCA decomposition.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01447013
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