Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing oxygen-containing organic compound
Patent
1980-11-26
1982-11-16
Jones, Raymond N.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing oxygen-containing organic compound
435162, 203 19, 203 91, 203DIG13, 203DIG6, C12P 706
Patent
active
043595332
ABSTRACT:
An improved fermentation process for producing alcohol which includes the combination of vacuum fermentation and vacuum distillation. Preferably, the vacuum distillation is carried out in two phases, one a fermentor proper operated at atmospheric pressure and a flash phase operated at reduced pressure with recycle of fermentation brew having a reduced alcohol content to the fermentor, using vapor recompression heating of the flash-pot recycle stream to heat the flash-pot or the distillation step, and using "water load balancing" (i.e., the molar ratio of water in the fermentor feed is the same as the molar ratio of water in the distillation overhead).
REFERENCES:
patent: 1676700 (1928-07-01), Lewis
Cysewski, Rapid Ethanol Fermentation Using Vacuum and Cell Recycle, Bioteology and Bioengineering, vol. XIX, pp. 1125-1143, 1977.
Maiorella et al., Rapid Ethanol Production via Fermentation AICHE meeting, Nov. 27, 1979.
Blanch Harvey W.
Cysewski Gerald R.
Maiorella Brian L.
Wilke Charles R.
Besha Richard G.
Dixon Harold M.
Gaither Roger S.
Jones Raymond N.
Tarcza John E.
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