The Dow Chemical Company

Basf Se Corporation

Martin Cogswell

Joaquim Henrique Teles

Ulrich Müller

Meinolf Weidenbach

Kai Gumlich

Natalia Trukhan

Philip Kampe

Christian Bartosch

Hans-Georg Göbbel

Richard Jacubinas

Peter Baβler

Peter BAßler

A method for separating acetonitrile from water, comprising (i) providing a stream Scontaining at least 95 wt.-%, based on the total weight of S, acetonitrile and water, wherein the weight ratio of acetonitrile: water is greater than 1; (ii) adding a stream P, comprising at least 95 wt.-% C3, based on the total weight of stream P, to Sto obtain a mixed stream S, C3 being propene optionally admixed with propane with a minimum weight ratio of propene: propane of 7:3; (iii) subjecting Sto a temperature of 92&#xb0; C. at most and a pressure of at least 10 bar, obtaining a first liquid phase Lessentially consisting of C3, acetonitrile, and water, and a second liquid phase Lessentially consisting of water and acetonitrile wherein the weight ratio of acetonitrile: water in Lis less than 1; (iv) separating Lfrom L

Method for the separation of acetonitrile from water

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Camlachin, Canada

Martin Cogswell