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Pervaporation dehydration was applied to the lipase-catalyzed esterification of fructose/glucose with palmitic acid in 2-methyl-2-butanol with the intention of improving the reaction yield. The water content in the reaction mixture decreased to 0.03 wt% by means of pervaporation using a zeolite NaA membrane. With the aid of pervaporation dehydration, the total yield of fructose monopalmitate and dipalmitate...
In order to stabilize the production of highly concentrated ethanol, a coupled fermentation/pervaporation process using ethanol permselective silicalite membranes coated with silicone rubber was studied. In case of the silicalite membrane without coating, the membrane flux and the ethanol concentration in the permeate decreased with the fermentation time. The completely recovered ethanol fermentation...
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