Biological carbon monoxide conversion to acetate production by mixed culture

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논문

Biological carbon monoxide conversion to acetate production by mixed culture

학술지

Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies

저자명

Nam, C.W.; Jung, K.A.; Park, J.M.

초록

<P>To utilize waste CO for mixed culture gas fermentation, carbon sources (CO, CO2) and pH were optimized in the batch system to find out the center point and boundary of response surface method (RSM) for higher acetate (HAc) production (center points: 25% CO, 40% CO2, and pH 8). The concentrations of CO and CO2, and pH had significant effects on acetate production, but the pH was the most significant on the HAc production. The optimum condition for HAc production in the gas fermentation was 20.81% CO, 41.38% CO2, 37.81% N-2, and pH 7.18. The continuous gas fermentation under the optimum condition obtained 1.66 g/L of cell DW, 23.6 g/L HAc, 3.11 g/L propionate, and 3.42 g/L ethanol. (C) 2016 Elsevier Ltd. All rights reserved.</P>

발행연도

2016

발행기관

Elsevier Applied Science

ISSN

0960-8524

권

211

페이지

pp.478-485

DOI

10.1016/j.biortech.2016.03.100