کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7079862 | 1459992 | 2014 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Upgrading dilute ethanol from syngas fermentation to n-caproate with reactor microbiomes
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Upgrading dilute ethanol from syngas fermentation to n-caproate with reactor microbiomes Upgrading dilute ethanol from syngas fermentation to n-caproate with reactor microbiomes](/preview/png/7079862.png)
چکیده انگلیسی
Fermentation of syngas from renewable biomass, which is part of the syngas platform, is gaining momentum. Here, the objective was to evaluate a proof-of-concept bioprocessing system with diluted ethanol and acetic acid in actual syngas fermentation effluent as the substrate for chain elongation into the product n-caproic acid, which can be separated with less energy input than ethanol. Chain elongation is performed with open cultures of microbial populations (reactor microbiomes) as part of the carboxylate platform. The highest concentration of n-caproic acid of â¼1 g Lâ1 was produced at a pH of 5.44 and a production rate of 1.7 g Lâ1 dayâ1. A higher n-butyrate production rate of 20 g Lâ1 dayâ1 indicated that product toxicity was limiting the chain elongation step from n-butyric acid to n-caproic acid. This result shows that the syngas and carboxylate platforms can be integrated within a biorefinery, but that product separation is necessary.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 151, January 2014, Pages 378-382
Journal: Bioresource Technology - Volume 151, January 2014, Pages 378-382
نویسندگان
Divya Vasudevan, Hanno Richter, Largus T. Angenent,