作者: Paul G. Clemmer , Hsueh S. Tung , Addison M. Smith
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摘要: The invention generally relates to a process for the purification of component binary azeotrope in which composition changes by about 10 mole percent with pressure comprising: (a) subjecting distillation step most one components is removed as distillate (distillate 1) bottoms (bottoms enriched other component; (b) 1 at least additional conducted different recovered 2 1; (c) optionally repeating many times desired; and (d) recovering desired purified component. particularly useful pentafluoroethane pentafluoroethane/chloropentafluoroethane azeotrope.