Droplet processes which could be relevant to the incineration of liquid hazardous wastes arc discussed, with emphases on the combustion-resistant nature of these wastes, on possible emissions in off-design operations, and on cost issues. Special topics considered include assessment of droplet gasification times and of initial droplet size requirements, ignition and extinction phenomena, flame holding, and soot formation. The potential of developing a rational blending strategy to promote multi-waste incineration for enhanced overall incineration efficiency and economy is discussed. Recent experimenal results on the droplet combustion of mixtures of chlorinated hydrocarbons support the viability of the blending concept.
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