厌氧折流板反应器生物制氢特性及提高普通糖蜜废水比例产氢产氧性能。

IF 2.3 4区 生物学 Q3 MICROBIOLOGY
Archaea-An International Microbiological Journal Pub Date : 2020-06-05 eCollection Date: 2020-01-01 DOI:10.1155/2020/8885662
Xuejia Gu, Yufeng Wang, Huaibo Li, Ji Li, Shuo Wang
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引用次数: 6

摘要

通过逐步提高进水普通糖蜜废水(NMWW)的比例,研究了四室厌氧折流板反应器(ABR)的生物制氢效率和产氢产氧性能。当进水NMWW比例增加到55%时,ABR在63 d内即可形成具有产甲烷功能的微生物群落,并达到稳定运行。当进水NMWW比例增加到80%并达到稳定状态时,前3个隔间由丁酸发酵建立乙醇发酵,而第4个隔间的丁酸发酵加强。当进水NMWW比例从55%增加到80%时,COD平均产氢率和生物产氢能力分别提高到12.85 L/d和360.22 L/kg COD。虽然产气量和比产氢率分别达到61.54 L/d和232 L/kg MLVSS·d,但产氢率和比产氢率仅为12.85 L/d和48 L/kg MLVSS·d,导致产氢主要通过同质产氢和产甲烷两种方式消耗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Characteristics of Biohydrogen Production and Performance of Hydrogen-Producing Acetogen by Increasing Normal Molasses Wastewater Proportion in Anaerobic Baffled Reactor.

Characteristics of Biohydrogen Production and Performance of Hydrogen-Producing Acetogen by Increasing Normal Molasses Wastewater Proportion in Anaerobic Baffled Reactor.

Characteristics of Biohydrogen Production and Performance of Hydrogen-Producing Acetogen by Increasing Normal Molasses Wastewater Proportion in Anaerobic Baffled Reactor.

Characteristics of Biohydrogen Production and Performance of Hydrogen-Producing Acetogen by Increasing Normal Molasses Wastewater Proportion in Anaerobic Baffled Reactor.

The biohydrogen production efficiency and performance of hydrogen-producing acetogen in a four-compartment anaerobic baffled reactor (ABR) were studied by gradually increasing the influent normal molasses wastewater (NMWW) proportion. When the influent NMWW proportion increased to 55%, ABR could develop microbial community with methanogenic function in 63 days and reach a stable operation. When the influent NMWW proportion increased to 80% and reached a stable state, ethanol fermentation was established from butyric acid fermentation in the first three compartments, whereas butyric acid fermentation in the fourth compartment was strengthened. The average biohydrogen production yield and biohydrogen production capacity by COD removal increased to as high as 12.85 L/day and 360.22 L/kg COD when the influent NMWW proportion increased from 55% to 80%, respectively. Although the biogas yield and the specific biogas production rate reached 61.54 L/day and 232 L/kg MLVSS·day, the biohydrogen production yield and specific biohydrogen production rate were only 12.85 L/day and 48 L/kg MLVSS·day, which results in hydrogen consumption by homoacetogenesis and methanogenesis.

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来源期刊
CiteScore
7.50
自引率
0.00%
发文量
1
审稿时长
>12 weeks
期刊介绍: Archaea is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles dealing with all aspects of archaea, including environmental adaptation, enzymology, genetics and genomics, metabolism, molecular biology, molecular ecology, phylogeny, and ultrastructure. Bioinformatics studies and biotechnological implications of archaea will be considered. Published since 2002, Archaea provides a unique venue for exchanging information about these extraordinary prokaryotes.
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