Pervaporation, Gas Permeation, Vapour Permeation         Europe, Middle East and Africa    North and South America     Asia Pacific      Germany     Italy     Poland     Schweiz     The Netherlands     Sulzer Chemtech Ltd. Membrane Technology (MET) P.O. Box 65, 8404 Winterthur, Schweiz Eva Maus, Area Sales Manager E-Mail, Tel. Fax Products:   membrane processes for purifying volatile chemicals Breaking azeotropes, Dehydration of solvents and other volatile organics, Organic/organic separations (methanol and ethanol removal) Sulzer Chemtech has the following pervaporation technologies and skid-built equipment available: Continuous pervaporation, Batch pervaporation, Vapor permeation KÜHNI AG - Gewerbestrasse 28, 4123 Allschwil, Schweiz E-Mail, Tel. Fax company profile: KÜHNI, founded in 1932, is a company, specialised in thermal separation processes, which serves the pharmaceutical and chemical process industry by solving today's complex and difficult separation problems and by supplying advanced, highly efficient process equipment and complete process plants. Kühni has increased its activities in the field of thermal separation technology by the addition of membrane processes such as pervaporation / vapour permeation, membrane-based extraction / absorption and the pressure driven processes reverse osmosis, nano- and ultrafiltration. Products:   Pervaporation / vapour permeation - drying of solvents (ethanol, IPA, acetone, MEK, ethyl acetate etc.) to overcome azeotropes - recovery of complex solvent mixtures - energy-saving removal of solvents - available membranes: organic as well as inorganic      mehr über Pervaporation (Deutsch)     www.membrane-guide.com     Keywords