The thermal decomposition of methyl chloride in hydrogen/oxygen mixtures and argon bath gas was carried out at I atmosphere pressure in tubular flow reactors. CH,CI, intermediate, and final products were analyzed over the temperature range 1098 to 1273 K, with average residence times of 0.2 to 2.0s.A detailed kinetic reaction mechanism based upon fundamental thermochemical and kinetic principles, Transition State Theory and evaluated literature rate constant data was developed to explain and understand the data. The model results show good fits to methyl chloride, intermediate, and final products species profiles with both temperature and time of reaction. The model also fits the data on HCI inhibited oxidation
of CO presented in the companion paper by Roesler et al. Reactions showing high sensitivity to inhibitionof CO oxidation were identified. The results indicate that the reaction OH + HCI -H,O + Cl is an important source of OH loss. This decrease in OH strongly effects CO burnout. The reactions of CO + HO, -CO, + OH and CO + ClO -CO, + CI become important pathways for production of CO 2 in the fuel rich system when high levels of HCl are present. The termination reaction CI + H0 2 _ HCI + 0, is also important to inhibition in the lower temperature regime of this study. We also report on CIO radical reactions with methyl and chloromethyl radicals which form formaldehyde and chlorofonnaldehydes that are important to CO formation.
A technology was developed to treat black tarry materials which contained pentachlorophenol and other hazardous compounds. The technology converted the difficult-to-handle materials to a substance with properties similar to petroleum-based asphalt through heat treatment and polymerization.
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