Abstract
The influence of post-treatment of as-synthesized mordenite membranes in the hydrochloric acid solution was investigated on the membrane pervaporation performance for the separation of a water/ethanol mixture. It was shown that the water/ethanol separation factor of as-synthesized mordenite membranes could be greatly improved upon post-treatment with hydrochloric acid under controlled conditions. The change in the pervaporation performance of mordenite membranes upon post-treatment was discussed.
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