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首页> 外文期刊>World Journal of Microbiology & Biotechnology >Mini review: hydrogen and ethanol co-production from waste materials via microbial fermentation
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Mini review: hydrogen and ethanol co-production from waste materials via microbial fermentation

机译：小型回顾：通过微生物发酵从废料中联合生产氢气和乙醇

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The simultaneous production of hydrogen and ethanol by microorganisms from waste materials in a bioreactor system would establish cost-effective and time-saving biofuel production. This review aims to present the current status of fermentation processes producing hydrogen accompanied by ethanol as a co-product. We outlined the microbes used and their fundamental pathways for hydrogen and ethanol fermentation. Moreover, we discussed the exploitation of renewable and sustainable waste materials as promising feedstock and the limitations encountered. The low substrate bioconversion rate in hydrogen and ethanol co-production is regarded as the primary constraint towards the development of large scale applications. Thus, microbes with an enhanced capability have been generated via genetic manipulation to diminish the inefficiency of substrate consumption. In this review, other potential approaches to improve the performance of co-production through fermentation were also elaborated. This review will be a useful guide for the future development of hydrogen and ethanol co-production using waste materials.
机译：微生物从生物反应器系统中的废料中同时生产氢和乙醇将建立具有成本效益和节省时间的生物燃料生产。这篇综述的目的是介绍发酵过程的现状，这些发酵过程伴随着副产品乙醇产生氢气。我们概述了所用微生物及其氢和乙醇发酵的基本途径。此外，我们讨论了将可再生和可持续废物用作有前途的原料的方法以及所遇到的限制。氢和乙醇联产中低的底物生物转化率被认为是发展大规模应用的主要限制。因此，已经通过遗传操作产生了具有增强能力的微生物，以减少底物消耗的低效率。在这篇综述中，还阐述了其他通过发酵提高联产性能的潜在方法。这篇综述将为未来利用废料联合生产氢和乙醇提供有用的指导。

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