Abstract

AbstractThe in‐situ recovery of ethanol from fermentation by different hydrophobic adsorbents has been studied. Liquid phase experiments have demonstrated that pentasil zeolites have a high selectivity for ethanol in the low concentration range. It is shown that the contact of the fermentation broth with the zeolite NaZSM‐5 avoids the product inhibition. On the other hand, the ethanol production rate dramatically changes in dependence on the glucose‐to‐adsorbent ratio.

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