Evidence of Microbial Activity in Coal Seam Production Water and Hydrochemical Constraints
This study aims to explore microbial activity evidence, composition of archaeal communities, and environmental constraints in coalbed-produced waters from the Hancheng Block, a representative region for coalbed methane development on the eastern margin of Ordos Basin, China. The investigation involv...
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2024-10-01
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| author | Yuan Bao Xueru Chen Zhidong Guo Zhengyan Li Yufei Zhuang Min Gao |
| author_facet | Yuan Bao Xueru Chen Zhidong Guo Zhengyan Li Yufei Zhuang Min Gao |
| author_sort | Yuan Bao |
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| description | This study aims to explore microbial activity evidence, composition of archaeal communities, and environmental constraints in coalbed-produced waters from the Hancheng Block, a representative region for coalbed methane development on the eastern margin of Ordos Basin, China. The investigation involves analyzing microbial community composition using 16S rRNA sequencing analysis as well as examining hydrogeochemical parameters. The results indicate that <i>Euryarchaeota</i> and <i>Thaumarchaeota</i> are predominant phyla within archaeal communities present in coalbed-produced water from the Hancheng Block. Among these communities, <i>Methanobacterium</i> is identified as the most abundant genus, followed by <i>Methanothrix</i> and <i>Methanoregula</i>. Moreover, a positive correlation is observed between the abundance of <i>Methanobacterium</i> and the levels of total dissolved solids as well as Mn; conversely, there is a negative correlation with dissolved organic carbon, Zn concentrations, and pH. The abundance of Co and Ni primarily influence <i>Methanothrix</i> while pH and Zn play significant roles in controlling <i>Methanoregula</i>. Additionally, No. 5 coal seam waters exhibit greater species diversity in the archaeal community compared to No. 11 counterparts. The higher abundance of archaea in the No. 5 coal seam promotes biogas generation due to the correlation between bicarbonate and dissolved inorganic carbon isotope. These research findings hold scientific significance in guiding the exploration and development of biogas within coal seams. |
| format | Article |
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| institution | OA Journals |
| issn | 1996-1073 |
| language | English |
| publishDate | 2024-10-01 |
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| spelling | doaj-art-c324059090294573a9df89b7f73baf9c2025-08-20T02:11:12ZengMDPI AGEnergies1996-10732024-10-011720517010.3390/en17205170Evidence of Microbial Activity in Coal Seam Production Water and Hydrochemical ConstraintsYuan Bao0Xueru Chen1Zhidong Guo2Zhengyan Li3Yufei Zhuang4Min Gao5College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, ChinaCollege of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, ChinaInstitute of Engineering and Technology, PetroChina Coalbed Methane Company Limited, Xi’an 710082, ChinaBaode Coal Mine, China Shenhua Shendong Coal Group, Xinzhou 036603, ChinaCollege of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, ChinaCollege of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, ChinaThis study aims to explore microbial activity evidence, composition of archaeal communities, and environmental constraints in coalbed-produced waters from the Hancheng Block, a representative region for coalbed methane development on the eastern margin of Ordos Basin, China. The investigation involves analyzing microbial community composition using 16S rRNA sequencing analysis as well as examining hydrogeochemical parameters. The results indicate that <i>Euryarchaeota</i> and <i>Thaumarchaeota</i> are predominant phyla within archaeal communities present in coalbed-produced water from the Hancheng Block. Among these communities, <i>Methanobacterium</i> is identified as the most abundant genus, followed by <i>Methanothrix</i> and <i>Methanoregula</i>. Moreover, a positive correlation is observed between the abundance of <i>Methanobacterium</i> and the levels of total dissolved solids as well as Mn; conversely, there is a negative correlation with dissolved organic carbon, Zn concentrations, and pH. The abundance of Co and Ni primarily influence <i>Methanothrix</i> while pH and Zn play significant roles in controlling <i>Methanoregula</i>. Additionally, No. 5 coal seam waters exhibit greater species diversity in the archaeal community compared to No. 11 counterparts. The higher abundance of archaea in the No. 5 coal seam promotes biogas generation due to the correlation between bicarbonate and dissolved inorganic carbon isotope. These research findings hold scientific significance in guiding the exploration and development of biogas within coal seams.https://www.mdpi.com/1996-1073/17/20/5170archaeal communityhydrochemistry compositioncoalbed-produced waterdissolved inorganic carbon isotopestrace elements |
| spellingShingle | Yuan Bao Xueru Chen Zhidong Guo Zhengyan Li Yufei Zhuang Min Gao Evidence of Microbial Activity in Coal Seam Production Water and Hydrochemical Constraints Energies archaeal community hydrochemistry composition coalbed-produced water dissolved inorganic carbon isotopes trace elements |
| title | Evidence of Microbial Activity in Coal Seam Production Water and Hydrochemical Constraints |
| title_full | Evidence of Microbial Activity in Coal Seam Production Water and Hydrochemical Constraints |
| title_fullStr | Evidence of Microbial Activity in Coal Seam Production Water and Hydrochemical Constraints |
| title_full_unstemmed | Evidence of Microbial Activity in Coal Seam Production Water and Hydrochemical Constraints |
| title_short | Evidence of Microbial Activity in Coal Seam Production Water and Hydrochemical Constraints |
| title_sort | evidence of microbial activity in coal seam production water and hydrochemical constraints |
| topic | archaeal community hydrochemistry composition coalbed-produced water dissolved inorganic carbon isotopes trace elements |
| url | https://www.mdpi.com/1996-1073/17/20/5170 |
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