Abstract
ABSTRACT The incineration of chlorinated hydrocarbon wastes generally produce carbon dioxide, steam and hydrogen chloride. Before these products of combustion can be safely discharged into the environment, the hydrogen chloride must be removed by neutralization, typically with a base such as lime. This results in a calcium chloride brine by-product which may be recovered provided a suitable separation from residual noncombustionables can be effected. This study is based upon the separation of by-product calcium chloride brine from residual non-combustionables by techniques involving precipitation, polymer enhanced clarification and filtration. Following polymer treatment, the residual solids were dewatered by centrifugation and then stabilized by blending with fly ash prior to being landfilled. The process chemistry and unit operations are discussed as well as the brine quality to produce a high quality brine product that met product quality specifications for use as a completion fluid.
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