Pervaporation of Model Acetone-Butanol-Ethanol Fermentation Product Solutions Using Polytetrafluoroethylene Membranes
Authors:
- 1 October 1993
- journal article
- research article
- Published by Taylor & Francis in Separation Science and Technology
- Vol. 28 (13-14) , 2167-2178
Abstract
A pervaporation apparatus was designed and tested in an effort to develop an integrated fermentation and product recovery process for acetone-butanol-ethanol (ABE) fermentation. A crossflow membrane module able to accommodate flat sheet hydrophobic membranes was used for the experiments. Permeate vapors were collected under vacuum and condensed in a dry ice/ethanol cold trap. The apparatus containing polytetrafluoroethylene membranes was tested using butanol-water and model solutions of ABE products. Parameters such as product concentration, component effect, temperature, and permeate side pressure were examined.Keywords
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