Continuous single vessel butanol synthesis by fermentation

Details Continuous single vessel butanol synthesis by fermentation Continuous single vessel butanol synthesis by fermentation

2009-02-26

2010-11-16

Ware, Deborah K. (Department: 1651)

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Bacteria or actinomycetales; media therefor

C435S174000, C435S179000, C435S180000, C435S182000, C435S822000, C435S842000

Reexamination Certificate

active

07833778

ABSTRACT:
The present invention describes a method for producing butanol by fermentation of carbohydrates using mixed populations of acidogenic-phase cells and solventogenic-phase cells ofClostridiumin a solitary vessel. The present system as described does not require intermittent adjustment of pH or venting of headspace gases. The method provides a process for removal of the butanol product which does not irreversibly harm the cells and conditions are described where such cells may resume butanol synthesis in the same solitary vessel. The invention also describes compositions and biologically pure cultures which comprise theClostridiumcells as disclosed. Also, a biologically pureClostridium beijerinkiistrain NRRL No. B-50244 is disclosed.

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