BioChem - DOS

Effects of chemically modified sugarcane bagasse on butanol production by immobilized Clostridium acetobutylicum XY16

生物工程學報 = Chinese journal of biotechnology

Kong, Xiangping; He, Aiyong; Chen, Jianan; Chen, Wufang; Yin, Chunyan; Chen, Pan; Wu, Hao; Jiang, Min

<P>Sugarcane bagasse modified by polyethylenimine (PEI) and glutaraldehyde (GA) was used as a carrier to immobilize Clostridium acetobutylicum XY16 in the process of butanol production. The effects of chemically modified sugarcane bagasse on batch and repeat-batch fermentations were investigated. Batch fermentation was conducted with an addition of 10 g/L modified sugarcane bagasse and 60 g/L glucose, resulting in a high solvent concentration of 21.67 g/L and productivity of 0.60 g/(L x h) with the treatment of 4 g/L PEI and 1 g/L GA. Compared to the fermentations by free cells and immobilized cells on unmodified sugarcane bagasse, the productivity increased 130.8% and 66.7%, respectively. The fibrous-bed bioreactor also maintained a stable butanol production during repeat-batch fermentations, achieving a maximum productivity of 0.83 g/(L x h) with a high yield of 0.42 g/g.</P>

2014

科學出版社

1000-3061

30

2

pp.305-309

http://click.ndsl.kr/servlet/OpenAPIDetailView?keyValue=05787966&target=NART&cn=NART69966862