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Gao L, Feng X, Zhang Y, Guo H, Mu X, Huang Z, Urynowicz M. Methane production from the biodegradation of lignite with different sizes by mixed fungi-methanogen microflora. FEMS Microbiol Lett 2024; 371:fnae037. [PMID: 38849297 DOI: 10.1093/femsle/fnae037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 05/09/2024] [Accepted: 06/06/2024] [Indexed: 06/09/2024] Open
Abstract
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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Affiliation(s)
- Longzhen Gao
- Department of Safety Engineering, College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Key Lab of In-situ Property-improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China
| | - Xiao Feng
- Department of Safety Engineering, College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Key Lab of In-situ Property-improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China
| | - Yixuan Zhang
- Department of Safety Engineering, College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Key Lab of In-situ Property-improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China
| | - Hongguang Guo
- Department of Safety Engineering, College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Key Lab of In-situ Property-improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China
| | - Xiaogang Mu
- Department of Safety Engineering, College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Zaixing Huang
- Department of Biological Engineering, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, China
- Department of Civil & Architectural Engineering, University of Wyoming, Laramie, WY 82071, United States
| | - Michael Urynowicz
- Department of Civil & Architectural Engineering, University of Wyoming, Laramie, WY 82071, United States
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Feng X, Zhang P, Zhang Z, Guo H, Li Z, Huang Z, Urynowicz M, Ali MI. The effect of organics transformation and migration on pore structure of bituminous coal and lignite during biomethane production. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27945-8. [PMID: 37335506 DOI: 10.1007/s11356-023-27945-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 05/23/2023] [Indexed: 06/21/2023]
Abstract
Biomethane generation by coal degradation not only can increase coalbed methane (CBM) reserves, namely, microbially enhanced coalbed methane (MECBM), but also has a significant effect on the pore structure of coal which is the key factor in CBM extraction. The transformation and migration of organics in coal are essential to pore development under the action of microorganisms. Here, the biodegradation of bituminous coal and lignite to produce methane and the cultivation with inhibition of methanogenic activity by 2-bromoethanesulfonate (BES) were performed to analyze the effect of biodegradation on coal pore development by determining the changes of the pore structure and the organics in culture solution and coal. The results showed that the maximum methane productions from bituminous coal and lignite were 117.69 μmol/g and 166.55 μmol/g, respectively. Biodegradation mainly affected the development of micropore whose specific surface area (SSA) and pore volume (PV) decreased while the fractal dimension increased. After biodegradation, various organics were generated which were partly released into culture solution while a large number of them remained in residual coal. The content of newly generated heterocyclic organics and oxygen-containing aromatics in bituminous coal was 11.21% and 20.21%. And the content of heterocyclic organics in bituminous coal was negatively correlated with SSA and PV but positively correlated with the fractal dimension which suggested that the retention of organics contributed greatly to the decrease of pore development. But the retention effect on pore structure was relatively poor in lignite. Besides, microorganisms were observed around fissures in both coal samples after biodegradation which would not be conducive to the porosity of coal on the micron scale. These results revealed that the effect of biodegradation on pore development of coal was governed by the combined action of organics degradation to produce methane and organics retention in coal whose contributions were antagonistic and determined by coal rank and pore aperture. The better development of MECBM needs to enhance organics biodegradation and reduce organics retention in coal.
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Affiliation(s)
- Xiao Feng
- College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
- Key Laboratory of In-Situ Property-Improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Panpan Zhang
- College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
- Key Laboratory of In-Situ Property-Improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Zizhong Zhang
- College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
- Key Laboratory of In-Situ Property-Improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Hongguang Guo
- College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan, 030024, China.
- Key Laboratory of In-Situ Property-Improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China.
| | - Zhigang Li
- College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
- Key Laboratory of In-Situ Property-Improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Zaixing Huang
- School of Chemical Engineering Technology, China University of Mining and Technology, Xuzhou, 221116, China
| | - Michael Urynowicz
- Department of Civil & Architectural Engineering, University of Wyoming, Laramie, WY, 82071, USA
| | - Muhammad Ishtiaq Ali
- Environmental Microbiology Lab, Department of Microbiology, Quaid-I-Azam University, Islamabad, 45320, Pakistan
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Platt GA, Davis KJ, Schweitzer HD, Smith HJ, Fields MW, Barnhart EP, Gerlach R. Algal amendment enhances biogenic methane production from coals of different thermal maturity. Front Microbiol 2023; 14:1097500. [PMID: 36970672 PMCID: PMC10036379 DOI: 10.3389/fmicb.2023.1097500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 02/06/2023] [Indexed: 03/12/2023] Open
Abstract
The addition of small amounts of algal biomass to stimulate methane production in coal seams is a promising low carbon renewable coalbed methane enhancement technique. However, little is known about how the addition of algal biomass amendment affects methane production from coals of different thermal maturity. Here, we show that biogenic methane can be produced from five coals ranging in rank from lignite to low-volatile bituminous using a coal-derived microbial consortium in batch microcosms with and without algal amendment. The addition of 0.1 g/l algal biomass resulted in maximum methane production rates up to 37 days earlier and decreased the time required to reach maximum methane production by 17–19 days when compared to unamended, analogous microcosms. Cumulative methane production and methane production rate were generally highest in low rank, subbituminous coals, but no clear association between increasing vitrinite reflectance and decreasing methane production could be determined. Microbial community analysis revealed that archaeal populations were correlated with methane production rate (p = 0.01), vitrinite reflectance (p = 0.03), percent volatile matter (p = 0.03), and fixed carbon (p = 0.02), all of which are related to coal rank and composition. Sequences indicative of the acetoclastic methanogenic genus Methanosaeta dominated low rank coal microcosms. Amended treatments that had increased methane production relative to unamended analogs had high relative abundances of the hydrogenotrophic methanogenic genus Methanobacterium and the bacterial family Pseudomonadaceae. These results suggest that algal amendment may shift coal-derived microbial communities towards coal-degrading bacteria and CO2-reducing methanogens. These results have broad implications for understanding subsurface carbon cycling in coal beds and the adoption of low carbon renewable microbially enhanced coalbed methane techniques across a diverse range of coal geology.
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Affiliation(s)
- George A. Platt
- Center for Biofilm Engineering, Montana State University-Bozeman, Bozeman, MT, United States
- Department of Chemical and Biological Engineering, Montana State University-Bozeman, Bozeman, MT, United States
| | - Katherine J. Davis
- Center for Biofilm Engineering, Montana State University-Bozeman, Bozeman, MT, United States
- Department of Chemical and Biological Engineering, Montana State University-Bozeman, Bozeman, MT, United States
| | - Hannah D. Schweitzer
- Center for Biofilm Engineering, Montana State University-Bozeman, Bozeman, MT, United States
- Department of Microbiology and Immunology, Montana State University-Bozeman, Bozeman, MT, United States
- Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway, Tromsø, Norway
| | - Heidi J. Smith
- Center for Biofilm Engineering, Montana State University-Bozeman, Bozeman, MT, United States
| | - Matthew W. Fields
- Center for Biofilm Engineering, Montana State University-Bozeman, Bozeman, MT, United States
- Department of Microbiology and Immunology, Montana State University-Bozeman, Bozeman, MT, United States
| | - Elliott P. Barnhart
- United States Geological Survey, Montana Water Science Center, Helena, MT, United States
| | - Robin Gerlach
- Center for Biofilm Engineering, Montana State University-Bozeman, Bozeman, MT, United States
- Department of Chemical and Biological Engineering, Montana State University-Bozeman, Bozeman, MT, United States
- *Correspondence: Robin Gerlach,
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McKay LJ, Smith HJ, Barnhart EP, Schweitzer HD, Malmstrom RR, Goudeau D, Fields MW. Activity-based, genome-resolved metagenomics uncovers key populations and pathways involved in subsurface conversions of coal to methane. THE ISME JOURNAL 2022; 16:915-926. [PMID: 34689183 PMCID: PMC8941128 DOI: 10.1038/s41396-021-01139-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/28/2021] [Accepted: 10/04/2021] [Indexed: 11/08/2022]
Abstract
Microbial metabolisms and interactions that facilitate subsurface conversions of recalcitrant carbon to methane are poorly understood. We deployed an in situ enrichment device in a subsurface coal seam in the Powder River Basin (PRB), USA, and used BONCAT-FACS-Metagenomics to identify translationally active populations involved in methane generation from a variety of coal-derived aromatic hydrocarbons. From the active fraction, high-quality metagenome-assembled genomes (MAGs) were recovered for the acetoclastic methanogen, Methanothrix paradoxum, and a novel member of the Chlorobi with the potential to generate acetate via the Pta-Ack pathway. Members of the Bacteroides and Geobacter also encoded Pta-Ack and together, all four populations had the putative ability to degrade ethylbenzene, phenylphosphate, phenylethanol, toluene, xylene, and phenol. Metabolic reconstructions, gene analyses, and environmental parameters also indicated that redox fluctuations likely promote facultative energy metabolisms in the coal seam. The active "Chlorobi PRB" MAG encoded enzymes for fermentation, nitrate reduction, and multiple oxygenases with varying binding affinities for oxygen. "M. paradoxum PRB" encoded an extradiol dioxygenase for aerobic phenylacetate degradation, which was also present in previously published Methanothrix genomes. These observations outline underlying processes for bio-methane from subbituminous coal by translationally active populations and demonstrate activity-based metagenomics as a powerful strategy in next generation physiology to understand ecologically relevant microbial populations.
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Affiliation(s)
- Luke J McKay
- Center for Biofilm Engineering, Montana State University, Bozeman, MT, 59717, USA.
- Thermal Biology Institute, Montana State University, Bozeman, MT, 59717, USA.
- Department of Land Resources & Environmental Sciences, Montana State University, Bozeman, MT, 59717, USA.
| | - Heidi J Smith
- Center for Biofilm Engineering, Montana State University, Bozeman, MT, 59717, USA.
- Department of Microbiology & Cell Biology, Montana State University, Bozeman, MT, 59717, USA.
| | - Elliott P Barnhart
- U.S. Geological Survey, Wyoming-Montana Water Science Center, Helena, MT, 59601, USA
| | - Hannah D Schweitzer
- Center for Biofilm Engineering, Montana State University, Bozeman, MT, 59717, USA
- Department of Microbiology & Cell Biology, Montana State University, Bozeman, MT, 59717, USA
- Arctic University of Norway, Tromsø, Norway
| | | | | | - Matthew W Fields
- Center for Biofilm Engineering, Montana State University, Bozeman, MT, 59717, USA.
- Department of Microbiology & Cell Biology, Montana State University, Bozeman, MT, 59717, USA.
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Hoang L, Tran NH, Urynowicz M, Dong VG, To KA, Huang Z, Nguyen LH, Pham TMP, Nguyen DD, Do CD, Le QH. The characteristics of coalbed water and coal in a coal seam situated in the Red River Basin, Vietnam. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 807:151056. [PMID: 34673062 DOI: 10.1016/j.scitotenv.2021.151056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 10/05/2021] [Accepted: 10/14/2021] [Indexed: 06/13/2023]
Abstract
An in-depth understanding of the hydrogeochemical characteristics of coal mines is helpful in establishing an effective and successful exploration program of coalbed methane (CBM). This study provides a comprehensive analysis of hydrogeological characteristics, characteristics of coalbed water, and characteristics of the coal sample from a coal seam located in the Red River Basin (RRB). These physicochemical characteristics along with the microbial composition of coalbed water were critically analyzed. A high concentration of chloride and sodium was found in the coalbed water, presumably due to the coal mine's stratigraphic association with marine or marine-transitional beds. A correlation between the occurrence of microbes and the chemical components in the coalbed water was established. The characteristics of the coal were systematically analyzed, including proximate, ultimate, and petrographic analyses. Based on the coal macerals, coal rank is classified as low-rank (sub-bituminous) with a vitrinite reflectance (Ro, max) of 0.36%, suggesting that this type of low-rank coal is favorable for biogenic methane generation. Pore structures and pore types were characterized using different methods, including low-temperature nitrogen adsorption/desorption (LTNA), mercury intrusion porosimetry (MIP), and scanning electron microscopy (SEM). Coal from the study area has microporous and macroporous features. Pore types of the coal were also characterized using SEM. The primary genetic pore types of the Red River coal include plant tissue holes and blowholes.
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Affiliation(s)
- Lan Hoang
- School of Biotechnology and Food Technology, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi, Viet Nam; Faculty of Materials Science and Engineering, Phenikaa University, Yen Nghia, Ha Dong, Hanoi, Viet Nam
| | - Ngoc Han Tran
- NUS Environmental Research Institute, National University of Singapore, 1 Create Way, Create Tower, #15-02, Singapore 138602, Singapore.
| | - Michael Urynowicz
- Civil & Architectural Engineering Department, University of Wyoming, Laramie, WY 82071, USA
| | - Van Giap Dong
- General Department of Geology and Minerals of Viet Nam, No. 6 Pham Ngu Lao, Hoan Kiem, Hanoi, Viet Nam
| | - Kim Anh To
- School of Biotechnology and Food Technology, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi, Viet Nam
| | - Zaixing Huang
- Civil & Architectural Engineering Department, University of Wyoming, Laramie, WY 82071, USA; Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, China
| | - Lan Huong Nguyen
- School of Biotechnology and Food Technology, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi, Viet Nam
| | - Thi Mai Phuong Pham
- Advanced Institute of Science and Technology, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi, Viet Nam
| | - Duc Dung Nguyen
- Advanced Institute of Science and Technology, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi, Viet Nam
| | - Canh Duong Do
- General Department of Geology and Minerals of Viet Nam, No. 6 Pham Ngu Lao, Hoan Kiem, Hanoi, Viet Nam
| | - Quoc Hung Le
- General Department of Geology and Minerals of Viet Nam, No. 6 Pham Ngu Lao, Hoan Kiem, Hanoi, Viet Nam.
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Micro- and Macroscale Consequences of Interactions between CO2 and Shale Rocks. ENERGIES 2020. [DOI: 10.3390/en13051167] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In carbon storage activities, and in shale oil and gas extraction (SOGE) with carbon dioxide (CO2) as stimulation fluid, CO2 comes into contact with shale rock and its pore fluid. As a reactive fluid, the injected CO2 displays a large potential to modify the shale’s chemical, physical, and mechanical properties, which need to be well studied and documented. The state of the art on shale–CO2 interactions published in several review articles does not exhaust all aspects of these interactions, such as changes in the mechanical, petrophysical, or petrochemical properties of shales. This review paper presents a characterization of shale rocks and reviews their possible interaction mechanisms with different phases of CO2. The effects of these interactions on petrophysical, chemical and mechanical properties are highlighted. In addition, a novel experimental approach is presented, developed and used by our team to investigate mechanical properties by exposing shale to different saturation fluids under controlled temperatures and pressures, without modifying the test exposure conditions prior to mechanical and acoustic measurements. This paper also underlines the major knowledge gaps that need to be filled in order to improve the safety and efficiency of SOGE and CO2 storage.
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Lu Y, Chai C, Zhou Z, Ge Z, Yang M. Influence of bioconversion on pore structure of bituminous coal. ASIA-PAC J CHEM ENG 2020. [DOI: 10.1002/apj.2399] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yiyu Lu
- State Key Laboratory of Coal Mine Disaster Dynamics and ControlChongqing University Chongqing China
- National & Local Joint Engineering Laboratory of Gas Drainage in Complex Coal SeamChongqing University Chongqing China
| | - Chengjuan Chai
- State Key Laboratory of Coal Mine Disaster Dynamics and ControlChongqing University Chongqing China
- National & Local Joint Engineering Laboratory of Gas Drainage in Complex Coal SeamChongqing University Chongqing China
| | - Zhe Zhou
- State Key Laboratory of Coal Mine Disaster Dynamics and ControlChongqing University Chongqing China
- Postdoctoral Station of Safety Science and EngineeringChongqing University Chongqing China
| | - Zhaolong Ge
- State Key Laboratory of Coal Mine Disaster Dynamics and ControlChongqing University Chongqing China
- National & Local Joint Engineering Laboratory of Gas Drainage in Complex Coal SeamChongqing University Chongqing China
| | - Mengmeng Yang
- State Key Laboratory of Coal Mine Disaster Dynamics and ControlChongqing University Chongqing China
- National & Local Joint Engineering Laboratory of Gas Drainage in Complex Coal SeamChongqing University Chongqing China
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