ArticleFrontiers in microbiology2019
Alteration of Methanogenic Archaeon by Ethanol Contribute to the Enhancement of Biogenic Methane Production of Lignite.
Article in Frontiers in microbiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 39 citations in OpenAlex.
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- The Effect of Probiotics and Microbiota on Nervous System and Mental Illnesses.Central nervous system agents in medicinal chemistry · 2025Review
- Exploring NRB Biofilm Adhesion and Biocorrosion in Oil/Water Recovery Operations Within Pipelines.Bioengineering (Basel, Switzerland) · 2024Article
- Genomic diversity and nutritional analysis of multi-drug resistant extended spectrum β-lactamase Producing-Heliyon · 2024Article
- New insights into the coal-associated methane architect: the ancient archaebacteria.Archives of microbiology · 2024Review
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- Effects of genetically modified soybean on physiological variables and gut microbiota of Sprague-Dawley rats.PloS one · 2024Article
- Research Progress and Prospects on Microbial Response and Gas Potential in the Coal Gasification Process.Microorganisms · 2023Review
- Unveiling the Biodiversity of Hyperthermophilic Archaea in Jharia Coal Mines: Potential Threat to Methanogenesis?Current genomics · 2020Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bioconverting coal to methane is a green and environmental friendly method to reuse waste coal. In this study, heterologous bacteria were used for the gas-producing fermentation of lignite under laboratory conditions, simultaneously, different concentrations of ethanol added into the culture to investigate the effect of ethanol on gas production and microbial flora structure. Results show that when the ethanol concentration was 1%, the best methanogenesis was achieved at 44.86 mL/g, which was twice the gas production of 0% ethanol. Before and after gas fermentation, the composition and structure of the coal changed, the volatile matter and fixed carbon increased, and the ash decreased. The absorbance value at characteristic peaks of all functional groups decreased, new peaks were generated at 2,300/cm, and the peak value disappeared at 3,375/cm. Thus, microorganisms interacted with coal, consumed it, and produced new materials. The microbial flora changes during gas production were tracked in real time. 0.5 and 1% ethanol did not obviously change the bacterial communities but strongly influenced the archaeon communities, thereby changed the methane production pathway. In the absence of ethanol,
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