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Polyurethane pervaporation membranes
Die Angewandte Makromolekulare Chemie, 1999Polyurethane membranes were prepared by the reaction of toluene-2,4-diisocyanate with hydroxy-terminated oligomers. Oligomers were either liquid polybutadiene (MW 3000) or propylene oxide-based polyethers (MW 420 and 4800). The prepared membranes were used in pervaporation of binary mixtures of water/ethanol, water/dioxane and ethanol/toluene ...
Jan Schauer +2 more
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Opérations unitaires. Génie de la réaction chimique, 2001
Robert CLÉMENT, Anne JONQUIÈRES
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Robert CLÉMENT, Anne JONQUIÈRES
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Journal of Membrane Science, 1990
Abstract The appearance of a variety of membrane processes to treat liquid mixtures has given rise to an extensive, if not altogether consistent, terminology. Although a clear denotation of the process variants is wanted, there seems to be no need to create new terms.
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Abstract The appearance of a variety of membrane processes to treat liquid mixtures has given rise to an extensive, if not altogether consistent, terminology. Although a clear denotation of the process variants is wanted, there seems to be no need to create new terms.
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1995
Publisher Summary Pervaporation is a new membrane technique which is used to separate a liquid mixture by partly vaporizing it through a nonporous permselective membrane. The "feed" mixture is allowed to flow along one side of the membrane and a fraction of it (the "permeate") is evolved in the vapor state from the opposite side, which is kept under ...
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Publisher Summary Pervaporation is a new membrane technique which is used to separate a liquid mixture by partly vaporizing it through a nonporous permselective membrane. The "feed" mixture is allowed to flow along one side of the membrane and a fraction of it (the "permeate") is evolved in the vapor state from the opposite side, which is kept under ...
openaire +1 more source