Process for producing and recovering lactic acid

Details Process for producing and recovering lactic acid Process for producing and recovering lactic acid

1995-06-07

1998-07-28

Lankford, Jr., Leon B.

Chemistry: molecular biology and microbiology

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

Preparing oxygen-containing organic compound

435136, 210660, 210691, C12P 756

Patent

active

057861854

ABSTRACT:
Described is an improved fermentation process for producing lactic acid. The preferred process is conducted so as to form a fermentation broth containing undissociated lactic acid. The fermentation broth is contacted with an effective amount of solid-phase polymer containing pyridine groups to adsorb and increase rate of production of the free acid.

REFERENCES:
patent: 4275234 (1981-06-01), Banel et al.
patent: 5068418 (1991-11-01), Kulprathipanja
patent: 5068419 (1991-11-01), Kulprathipanja
Kawabata et al., J. of Ferm & Bioeng. vol. 68 No. 6, 1989, pp. 433-436.
R. Bajpai, E.L. Lanotti, C.J. Wang and B. Su, "Simultaneous Production and Recovery of Lactic Acid bu Fermentation", 1990 AICHE Spring Meeting.
Brian H. Davison and James E. Thompson, "Simlutaneous Fermentation and Separation of Lactic Acid in a Biparticle Fluidized Bed Bioreactor" May 6-10, 1991, Thirteenth Symposium on Biotechnology for Fuels and Chemicals.

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