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

1990-06-18

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, G12P 720

Patent

active

051770083

ABSTRACT:
This invention relates to the manufacture of ethanol and the recovery of economically significant amounts of such by-products therefrom as glycerol, betaine, L-pyroglutamic acid, 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 and/or a feed additive. An important aspect of the recovery step is the utilization of a crossflow microfiltration system which includes inorganic membranes for the classification of the stillage.

REFERENCES:
patent: 2169245 (1939-08-01), Hildebrandt et al.
patent: 2772207 (1956-11-01), Frankel et al.
patent: 4336335 (1982-06-01), Muller et al.
patent: 4359430 (1982-11-01), Heikkila et al.
patent: 4689048 (1987-08-01), Fortsch et al.
patent: 5019263 (1991-05-01), Haag et al.
Chico et al., "L. Alanine as an end product of glycolyisis in saccharomyces--cerevisiae growing under different hypoxic conditiones," CA79:177022 Bioss. 1978.
"Recovery of Chemicals Such as Glycerol, Dextrose, and Amino Acids from Dilute Broths", Brian D. Burris, pp. 1-39.

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