abstract |
The invention provides a process for purifying methyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether, comprising; passing a composition comprising methyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether and dimethyl ether through an evaporation zone; evaporating dimethyl ether by passing a gas stream through the composition; and removing the gas comprising dimethyl ether from the composition. |