真菌-甲烷菌混合微生物群对不同大小的褐煤进行生物降解产生甲烷。

IF 2.2 4区 生物学 Q3 MICROBIOLOGY Fems Microbiology Letters Pub Date : 2024-01-09 DOI:10.1093/femsle/fnae037
Longzhen Gao, Xiao Feng, Yixuan Zhang, Hongguang Guo, Xiaogang Mu, Zaixing Huang, Michael Urynowicz
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引用次数: 0

摘要

生物煤层气(CBM)是一种发展中的清洁能源。然而,不同大小的煤产生生物甲烷的机理尚不清楚。在这项工作中,煤粉(PC)和块煤(LC)被用于真菌-甲烷菌混合微生物群生产甲烷。观察到 LC 的甲烷产量较低。煤的芳香碳在 LC 中降解了 2.17%,而在 PC 中降解了 11.28%。这归因于木质素降解真菌的比例,尤其是青霉,在第 7 天,PC 中的比例达到 67.57%,高于 LC 中的 11.38%。结果表明,块煤中有限的相互作用面积导致微生物很难利用芳烃。这也导致 PC 发酵液中芳香有机物的积累。建议通过增加煤的反应面积和促进芳香碳的转化来提高甲烷的就地生产。
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Methane production from the biodegradation of lignite with different sizes by mixed fungi-methanogen microflora.

Biogenic coalbed methane (CBM) is a developing clean energy source. However, it is unclear how the mechanisms of bio-methane production with different sizes of coal. In this work, pulverized coal (PC) and lump coal (LC) were used for methane production by mixed fungi-methanogen microflora. The lower methane production from LC was observed. The aromatic carbon of coal was degraded slightly by 2.17% in LC, while 11.28% in PC. It is attributed to the proportion of lignin-degrading fungi, especially Penicillium, which was reached 67.57% in PC on the 7th day, higher than that of 11.38% in LC. The results suggested that the limited interaction area in LC led to microorganisms hardly utilize aromatics. It also led the accumulation of aromatic organics in the fermentation broth in PC. Increasing the reaction area of coal and facilitating the conversion of aromatic carbon are suggested means to increase methane production in situ.

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来源期刊
Fems Microbiology Letters
Fems Microbiology Letters 生物-微生物学
CiteScore
4.30
自引率
0.00%
发文量
112
审稿时长
1.9 months
期刊介绍: FEMS Microbiology Letters gives priority to concise papers that merit rapid publication by virtue of their originality, general interest and contribution to new developments in microbiology. All aspects of microbiology, including virology, are covered. 2019 Impact Factor: 1.987, Journal Citation Reports (Source Clarivate, 2020) Ranking: 98/135 (Microbiology) The journal is divided into eight Sections: Physiology and Biochemistry (including genetics, molecular biology and ‘omic’ studies) Food Microbiology (from food production and biotechnology to spoilage and food borne pathogens) Biotechnology and Synthetic Biology Pathogens and Pathogenicity (including medical, veterinary, plant and insect pathogens – particularly those relating to food security – with the exception of viruses) Environmental Microbiology (including ecophysiology, ecogenomics and meta-omic studies) Virology (viruses infecting any organism, including Bacteria and Archaea) Taxonomy and Systematics (for publication of novel taxa, taxonomic reclassifications and reviews of a taxonomic nature) Professional Development (including education, training, CPD, research assessment frameworks, research and publication metrics, best-practice, careers and history of microbiology) If you are unsure which Section is most appropriate for your manuscript, for example in the case of transdisciplinary studies, we recommend that you contact the Editor-In-Chief by email prior to submission. Our scope includes any type of microorganism - all members of the Bacteria and the Archaea and microbial members of the Eukarya (yeasts, filamentous fungi, microbial algae, protozoa, oomycetes, myxomycetes, etc.) as well as all viruses.
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