CAJ | 학술논문

研究多粘类芽胞杆菌利用廉价底物生物柴油副产物粗甘油批次发酵生产乙偶姻，考察不同pH条件、不同转速下乙偶姻、2，3丁二醇和乙酸3种主要产物的产量，根据发酵结果设计一种三阶段溶氧调节的方法，结果表明：经76 h批次发酵，乙偶姻产量为14?62 g/L，副产物2，3丁二醇和乙酸分别为1?24和2?93 g/L；副产物量低，且易于分离，可以有效减少后期分离提取产物的成本。
연구다점류아포간균이용렴개저물생물시유부산물조감유비차발효생산을우인，고찰불동pH조건、불동전속하을우인、2，3정이순화을산3충주요산물적산량，근거발효결과설계일충삼계단용양조절적방법，결과표명：경76 h비차발효，을우인산량위14?62 g/L，부산물2，3정이순화을산분별위1?24화2?93 g/L；부산물량저，차역우분리，가이유효감소후기분리제취산물적성본。
Biodiesel derived glycerol was used as substrate in batch fermentations by Paenibacillus polymyxa for producing acetoin.Major products, such as acetoin, 2, 3-butanediol and acetate were investigated in different initial pH,constant pH, and agitation speed conditions.According to the results of batch experiments,a three stage fermentation was designed,after 76 h batch fermentation,acetoin yield reached to 14.62 g/L.The yield of 2, 3-butanediol and acetic acid were 1.24 g/L, 2.93 g/L, respectively.Small amount of by-products could be easily separated to reduce costs of extraction.