摘要 |
PROBLEM TO BE SOLVED: To provide a method of generating butanol with high efficiency in butanol fermentation.SOLUTION: A method for producing butanol comprises a step in which massive butanol fermentation microorganisms, or butanol fermentation microorganisms immobilized to a carrier are cultured in the presence of a substrate, and at the same time, the culture is subjected to solvent extraction using a C10-C12 alcohol.SELECTED DRAWING: Figure 2 |