Developing co-culture system of dominant cellulolytic Bacillus sp. THLA0409 and dominant ethanolic Klebsiella oxytoca THLC0409 for enhancing ethanol production from lignocellulosic materials

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논문

Developing co-culture system of dominant cellulolytic Bacillus sp. THLA0409 and dominant ethanolic Klebsiella oxytoca THLC0409 for enhancing ethanol production from lignocellulosic materials

학술지

Journal of the Taiwan Institute of Chemical Engineers

저자명

Tran, D.T.; I, Y.P.; Lin, C.W.

초록

This work developed a single-step process for converting lignocelluloses to ethanol using mesophilically native isolated strains. The strain Bacillus sp. THLA0409 was identified as a dominant cellulose-degrading bacterium, while the strain Klebsiella oxytoca THLC0409 was determined as a dominant sugars-utilizing bacterium. The co-culture of the two strains (Bacillus sp. THLA0409 and K. oxytoca THLC0409) remarkably enhanced utilization efficiency of hydrolysates from acid-pretreated raw bamboo, Napiergrass, rice straw and ethanol production which were determined as 145, 276, and 219g/kg substrate used, respectively, compared to 73.5, 131, and 86.2g/kg substrate used on natural raw bamboo, Napiergrass, and rice straw, respectively. The co-culture showed a potential bacterial source for ethanol production from lignocelluloses.

발행연도

2013

발행기관

Elsevier BV

ISSN

1876-1070

ISSN

1876-1089

권

호

페이지

pp.762-769