Process for manufacturing ethanol and for recovering glycerol, s

Details Process for manufacturing ethanol and for recovering glycerol, s Process for manufacturing ethanol and for recovering glycerol, s

1989-07-18

1993-01-05

Warden, Robert J.

Chemistry: molecular biology and microbiology

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

Preparing oxygen-containing organic compound

435145, 435146, 435159, 435161, C12P 720

Patent

active

051770091

ABSTRACT:
This invention relates to the manufacture of ethanol and the recovery of such by-products therefrom as glycerol, betaine, succinic and lactic acid, potassium sulfate and a free flowing distiller's dry grain and solubles useful as an animal feed or a component of food for humans or as a premix for agricultural fertilizer. The process disclosed is an improvement over that of U.S. application Ser. No. 136,415 in the area of enhancement of glycerol recovery from stillage resulting from the fermentation of a biomass mash, and involves production of glycerol in amount in excess of 10 grams per 100 grams of reducing sugar in the starting biomass mash.

REFERENCES:
patent: 4287305 (1981-09-01), Compere et al.
patent: 4336335 (1982-06-01), Muller et al.
patent: 4359430 (1982-11-01), Heikkila et al.
patent: 4578353 (1986-03-01), Assarson et al.
patent: 4689048 (1987-08-01), Fortsch et al.
patent: 5019263 (1991-05-01), Haag et al.
"The Merck Index," 10th Ed., Merck & Co., Inc., Rahway N.J. pp. 1189, 4347, 5172 and 8746-1983.
Puspito et al., CA 86:122152, 1985.
Burris, "Recovery of Chemicals such as Glycerol, Dextrose, and Amino Acids from Dilute Broths", Int. Conf. Fuels Alc. Chem from Biomass, Nov. 10-12, 1986, Miami Beach, Fla.

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