| 摘要 |
<p>The invention relates to binary azeotropic compositions between water and 1,1-dichloro-1-fluoroethane, 1-chloro-1,1-difluoroethane, 1,1,1-trifluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethane or trifluoroethylene, to a process for removing water from solutions by azeotropic distillation by means of these compositions and to a process for producing a hydrofluoroalkane in which water is removed from the mixture of reaction products by azeotropic distillation by means of these compositions.</p> |
