| 摘要 |
Perchloroethylene is made by thermal noncatalytic pyrolysis of carbon tetrachloride in the presence of chlorine and methyl chloride, or methane, or natural gas. Vapor carbon tetrachloride is used both as a raw material and a diluent, and reaction takes place under conditions with high consumption of maximize conversion of carbon tetrachloride to perchloroethylene and minimum formation of heavies, especially, low formation of hexchlorobenzene, another environmental undesirable chemical compound.
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