Procede de purification du pentafluoroethane

Method for purifying pentafluoroethane

Verfahren zur reinigung von pentafluorethan

Abstract

L'invention concerne la purification du pentafluoroéthane (F125) contenant du chloropentafluoroéthane (F115) par extraction liquide-liquide ou par distillation extractive. Comme agent d'extraction on utilise le perchloréthylène.
A method for purifying pentafluoroethane (F125) containing chloropentafluoroethane (F115) by liquid-liquid extraction or extractive distillation. Perchloroethylene is used as the extractive agent.

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    See references of WO 9624569A1

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