Pervaporation, Gas Permeation, Vapour Permeation         Europe, Middle East and Africa    North and South America     Asia Pacific      China     Japan     Mitsui - www.mitsui.co.jp - Japan E-Mail, Tel. Fax Products: A-type zeolite includes silicon and aluminum at 1 to 1 ratio and its pore size is 0.4nm diameter. Since it has relatively high hydrophilic surface, it effectively separate water from an aqueous organic solution. Foto: Demonstration plant for the dehydration of 100l/h of Ethanol (Feed 93% to product 99.5%) company profile:      www.membrane-guide.com      Keywords