Process of concentrating ethanol from dilute aqueous solutions thereof

摘要: Relatively dilute aqueous solutions of ethanol are concentrated by passage through a bed crystalline silica polymorph, such as silicalite, to adsorb the with residual feed in contact bed, which is displaced passing without displacing adsorbed ethanol. A product concentrate then obtained removing from together at least portion used displacer liquid. This process permits be fermentation beers, may contain 6 10% ethanol, obtain very low energy cost having an concentration excess 95%, 98 99.5%.