Methods and apparatus for enzymatically producing ethanol

Details Methods and apparatus for enzymatically producing ethanol Methods and apparatus for enzymatically producing ethanol

1981-12-04

1984-05-29

Smith, William F.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

435175, 435288, 435813, 435814, 435815, 435819, C12P 714

Patent

active

044515669

ABSTRACT:
Methods and apparatus are provided for the enzymatic production of ethanol from fermentable sugars. A complete sequence of enzymes for catalyzing the conversion of fermentable sugars to ethanol is retained in a plurality of reaction zones. Fermentable sugar solution is sequentially passed through the zones, and ethanol is recovered from the last zone. Necessary coenzymes and cofactors are added to the solution in the various zones, and means are provided for recovering and, if necessary, modifying the coenzymes prior to reintroduction in the various zones.

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