Acetone-butanol in-situ extraction continuous fermentation device and technology
A technology of acetone butanol and fermentation process, applied in fermentation, biochemical cleaning device, enzymology/microbiology device and other directions, can solve the problems of difficulty in large-scale production, high equipment price, poor stability, etc., and achieves easy implementation, The effect of increasing yield and reducing dosage
Inactive Publication Date: 2011-01-19
TIANJIN UNIVERSITY OF TECHNOLOGY
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The invention provides an acetone-butanol in-situ extraction continuous fermentation device and technology. The device comprises an No.1 seeding tank and an No.2 seeding tank which are alternately inoculated. Acetone-butanol fermentation is divided into two stages to continuously operate, wherein the first stage is conventional acid production period fermentation, and the second stage is in-situ extraction product synthesis period fermentation; the second period adopts a method of coupling extraction and fermentation and is matched with low-speed stirring to furthest lower product inhibiting effect and greatly improve butanol fermentation efficiency; and finally, static phase processing realizes the initial separation of mash and fermentation products. The invention has the advantages that the device and the technology have good extraction effect in production, can obviously improve butanol ratio in the fermentation product, can greatly lower production cost, and have obvious economic benefit. The technology is scientific and reasonable. The flow device is simple and easy to realize, can realize the new fermentation technology provided by the invention by slightly reforming the traditional butanol fermentation flow, and has wide application prospect.
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