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Abstract
Thermal destruction by incineration of chlorinated hydrocarbons (CHC) is an attractive method for the volume reduction and ultimate disposal of wastes. The present paper provides further insight into the fundamental properties of CHC for understanding the mechanism, rates of oxidation and other combustion characteristics, e.g., flame stability, ignition delay, sooting characteristics. CHC compounds require longer residence time at elevated temperatures for their destruction. CHC flames have lower flame velocity and are more prone to soot formation than their nonchlorinated counterpart. Flame velocity and maximum flame temperature decreases with increase in chlorine content of the hydrocarbon compound and decrease in preheat temperature of the fuel mixture. In addition to the CHC compounds decomposed by thermal destruction, their products during incineration must also be considered in the incineration design. Some CHC's are known to yield relatively more stable products of combustion than their parent compound during incineration. Present information will assist in a better design of incinerators for CHC combustion but further work is urgently required for the successful design and reliable operation of incineration for a range of CHC wastes.