CPC C07C 1/24 (2013.01) [B01J 2/12 (2013.01); B01J 21/04 (2013.01); C07C 11/04 (2013.01); C07C 11/06 (2013.01); C07C 29/84 (2013.01); C07C 45/81 (2013.01); B01D 3/10 (2013.01); B01D 3/34 (2013.01); B01D 3/40 (2013.01)] | 25 Claims |
1. A method for recovering product from a fermentation broth, the method comprising:
a) passing a product enriched stream, comprising ethanol and isopropanol, from a bioreactor to a dehydration reactor;
b) dehydrating the product enriched stream to produce a dehydrated product stream comprising ethylene and propylene, and a water-rich stream;
c) separating the dehydrated product stream into an ethylene enriched stream and a propylene enriched stream; and
d) passing the water-rich stream to the bioreactor.
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