Preparation of high purity, 1, 1, 1-trifluoro-2, 2,-dichloroethane
Production of high-purity 1,1,1-triflu-2,2dichloroethane. It is carried out by fluoridizing, thermal fluoridizing triclene, obtaining the mixed gas containing fluothane, trifluo-dichloroethane and trifluo-trichlorineethane, catalytic chlorinating reacting the mixed gas under 160-250deg.C by coir act...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | Production of high-purity 1,1,1-triflu-2,2dichloroethane. It is carried out by fluoridizing, thermal fluoridizing triclene, obtaining the mixed gas containing fluothane, trifluo-dichloroethane and trifluo-trichlorineethane, catalytic chlorinating reacting the mixed gas under 160-250deg.C by coir active carbon, alkali washing the reacted gas by water, fractional distilling and condensing, and obtaining the purified product. It advantages include simple process, to improve energy utilizing rate, lower process load, and realize clean production. |
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