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首页> 外文期刊>Chemical engineering journal >Acetone-butanol-ethanol (ABE) fermentation integrated with simplified gas stripping using sweet sorghum bagasse as immobilized carrier
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Acetone-butanol-ethanol (ABE) fermentation integrated with simplified gas stripping using sweet sorghum bagasse as immobilized carrier

机译：以甜高粱甘蔗渣为固定载体的丙酮-丁醇-乙醇（ABE）发酵与简化的气提方法集成在一起

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摘要

In this study, the influence of sweet sorghum bagasse (SSB) as immobilized carrier on acetone-butanol-ethanol (ABE) fermentation integrated with gas stripping was investigated. During the integrated process, the immobilized bioreactor was also treated as the spinner flask for gas stripping. It appeared that the homogenization of the fermentation broth and the efficiency of solvents separation were enhanced. With the immobilized bioreactor treated as the spinner flask, fed-batch fermentation that integrated with intermittent and that integrated with continuous gas stripping were investigated, respectively. As a result, 155.7-255.6 g/L of ABE solvent was achieved in the condensate with 0.38 +/- 0.06 g/L/h of productivity in the intermittent gas stripping scenario, while 180 +/- 25 g/L of ABE in the condensate with productivity of similar to 1.15 g/L/h were achieved in the continuous gas stripping integrated scenario. The simplified integrated process showed advantage both in ABE productivity and concentration compared with other reports. (C) 2015 Elsevier B.V. All rights reserved.
机译：在这项研究中，研究了甜高粱蔗渣（SSB）作为固定载体对与气提结合的丙酮-丁醇-乙醇（ABE）发酵的影响。在整合过程中，固定化的生物反应器也被当作用于汽提的旋转瓶。看来发酵液的均质化和溶剂分离的效率得到了提高。以固定化的生物反应器为旋转瓶，分别研究了间歇性进料与连续气提一体化的分批补料发酵。结果，在间歇式气提情景中，冷凝物中获得了155.7-255.6 g / L的ABE溶剂，生产率为0.38 +/- 0.06 g / L / h，而在间歇式气提情景中则为180 +/- 25 g / L的ABE。在连续气提一体化方案中，冷凝水的生产率接近1.15 g / L / h。与其他报告相比，简化的集成过程显示了ABE生产率和集中度方面的优势。 （C）2015 Elsevier B.V.保留所有权利。

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