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AssigneeUop LLC
InventorsSanti Kulprathipanja, Edward W. Funk, Sudhir S. Kulkarni, Y. Alice Chang
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A process for separating a monosaccharide from an aqueous solution comprising monosaccharides and a second component comprising a polysaccharide. The mixture is contacted with a mixed matrix membrane comprising a adsorbent or molecular sieve material dispersed in an organic polymer in which the monosaccharide has a greater steady state permeability than the polysaccharide. The monosaccharide passes through the membrane, and is recovered. Particular mixed matrix membranes found to be useful in separating mono from polysaccharides are silicalite, gamma-alumina, activated carbon or a calcium exchanged Y-zeolite dispersed in cellulose acetate or polyelectrolyte complex polymers.
A process for separating a monosaccharide from an aqueous solution comprising said monosaccharide and a second component comprising a polysaccharide by contacting at separation conditions said aqueous solution with a mixed matrix membrane comprising a particulate material dispersed in an organic polymer in which membrane said monosaccharide has a greater steady state permeability than said polysaccharide, and recovering the monosaccharide which passes through said membrane, said particulate material selected from the group consisting of crystalline aluminosilicates, crystalline silica, an gamma-alumina, activated carbon and ion exchange resins.
Dependencies are inferred from the claim text.