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首页> 外文期刊>Journal of the Taiwan Institute of Chemical Engineers >An integrated in situ extraction-gas stripping process for Acetone-Butanol-Ethanol (ABE) fermentation
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An integrated in situ extraction-gas stripping process for Acetone-Butanol-Ethanol (ABE) fermentation

机译:丙酮-丁醇-乙醇(ABE)发酵的集成原位萃取-气提工艺

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摘要

A novel integrated in situ extraction-gas stripping process (Process 3 in this study) is proposed for running batch Acetone-Butanol-Ethanol (ABE) fermentation. The process involves two butanol separation processes in which butanol is first extracted by oleyl alcohol during ABE fermentation and gas stripping is carried out on butanol in the oleyl alcohol phase at the same time. The butanol productivity and yield of Process 3 is 0.28 ± 0.01 g/L/h and 0.226 ± 0.001 g-butanol/g-glucose. The ABE productivity and yield are 0.46 ± 0.01 g/L/h and 0.374 ± 0.002 g-ABE/g-glucose. Glucose utilization was 97% and initial glucose consumption was 121 ± 2 g/L. Butanol and ABE concentrations of 93-113 and 166-204 g/L in the condensate can be achieved. This study demonstrates that Process 3 as described here enhances ABE fermentation and also results in the production of high purity solvents.
机译:提出了一种新的集成原位萃取-气提工艺(本研究中的工艺3),用于批量丙酮-丁醇-乙醇(ABE)发酵。该方法涉及两个丁醇分离过程,其中首先在ABE发酵过程中通过油醇提取丁醇,并同时在油醇相中对丁醇进行气提。方法3的丁醇生产率和产率为0.28±0.01g / L / h和0.226±0.001g-丁醇/ g-葡萄糖。 ABE的生产率和产量为0.46±0.01 g / L / h和0.374±0.002 g-ABE / g葡萄糖。葡萄糖利用率为97%,初始葡萄糖消耗为121±2 g / L。冷凝物中丁醇和ABE的浓度可以达到93-113 g / L和166-204 g / L。这项研究表明,此处所述的过程3增强了ABE发酵,还导致了高纯度溶剂的产生。

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