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Citations since 2017
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The universal quasi-chemical (UNIQUAC) model is widely used to describe nonideal fluid-phase equilibria in membrane processes. One way to overcome the problem of an unknown membrane molar mass, is to compute the membrane process performance in terms of mass fractions. Since molar and mass-based activity coefficients are not the same, the UNIQUAC eq...
The transport of pure water and methanol and the selective pervaporation of binary mixtures of water or methanol in alcohols (ethanol, isopropanol, butanol) are studied for two methylated microporous silica membranes as a function of feed composition (0–15 vol% water or methanol) at 60 °C. Flux data show interaction effects between the polar compon...
The adsorption and diffusion of pure water, methanol, ethanol, isopropanol, and butanol in microporous silica membranes and (methylated) silica top layer pellets are studied by performing vapor adsorption experiments at 40 °C using a gas chromatograph equipped with a headspace system and using a conventional gravimetrical microbalance, respectively...
Membrane processes are becoming more and more important in industry. Therefore, modelling of these processes is also gaining interest, as this offers opportunities to predict process performance, membrane properties, efficiencies and economical aspects. With this information, industry can be helped to improve existing separation processes, or switc...
This study explores the possibility of simulating a hybrid pervaporation membrane process with the help of Aspen Plus™ (Aspen Tech) flowsheeting. Because Aspen Plus does not contain membrane modules in its Model Library, the pervaporation membrane is simulated within Excel Visual Basic for Applications (VBA). Excel VBA is then linked with Aspen Plu...
In this study, the performance of a hydrophobic nanofiltration membrane (SolSep 3360) for treating alcoholic solutions by pervaporation is investigated and compared to a conventional pervaporation membrane (PV 1070, Sulzer Chemtech and Pervatech PDMS). Both binary ethanol/water mixtures and common multicomponent mixtures (alcoholic beverages) are e...