METHOD OF PRODUCTION OF CHLOROORGANIC SOLVENTS Russian patent published in 2002 - IPC

Abstract RU 2188186 C2

FIELD: chemical technology. SUBSTANCE: invention relates to a method of synthesis of cheap solvents used for metal defatting and chemical cleansing. Solvents are produced by distillation of high-boiling waste of vinyl chloride manufacture. Trichloroethylene and/or tetrachloroethene are added to waste before distillation to obtain azeotropic mixtures of trichloroethene with dichloroethane and tetrachloroethene with trichloroethane and/or with tetrachloroethane. Invention provides utilization of waste in production of vinyl chloride. EFFECT: improved method of production. 4 ex

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RU 2 188 186 C2

Authors

Nizhegorodtsev V.I.

Nizhegorodtseva S.V.

Nizhegorodtseva T.V.

Toropova L.V.

Dates

2002-08-27Published

2000-03-03Filed