UOP, Vaperma team on new technology to reduce energy cost of dewatering ethanol

In Illinois, UOP and Vaperma announced a partnership to bring Vaperma’s polymer membrane technology to the ethanol industry, where it will reduce energy consumption and emissions for for first-generation ethanol, as well as cellulosic ethanol and butanol.  Vaperma’s patented polymer membrane technology allows the separation of water vapor from other vapor compounds in a gas mixture. The Siftek technology, commercially launched in June 2008, can be used in ethanol production to “de-water” ethanol streams to realize a 99%+ pure fuel-grade ethanol product. Competing systems use multiple units to achieve the same effect.

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