the process of methanogenesis in a coal mine
the process of methanogenesis in a coal mine
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the process of methanogenesis in a coal mine

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Coal methanogenesis: a review of the need of complex ...

2017-2-10  Microbial biodegradation of coal into low-molecular-weight compounds such as methane has been extensively researched in the last two decades because of the underlying environmental and industrial applications of this technique as compared to the chemical and physical methods of coal conversions. However, the irregular structure of coal and the need

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Water-rock interaction and methanogenesis in formation ...

2016-11-1  Hence, the migration of microbes in coal seams is feasible. As a result, biogenic methane could be generated in coal seams via the process of methanogenesis, at a scale depending on the microbial population’s size and migration capability. 6. Conclusion

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Methanogenesis - Current Biology

2018-7-9  Methanogenesis is an anaerobic respiration that generates methane as the final product of metabolism. In aerobic respiration, organic matter such as glucose is oxidized to CO 2, and O 2 is reduced to H 2 O. In contrast, during hydrogenotrophic methanogenesis, H 2 is oxidized to H +, and CO 2 is reduced to CH 4.Although similar in principle to other types of

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Microbial Methane Formation from Hard Coal and Timber

Here, two 1 m x 10 cm diameter column bioreactors designed to mimic an abandoned coal mine were monitored for a year, with zones of methanogenesis in

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Microbial diversity and biogenic methane potential of a ...

2014-11-15  2.2. Detection of biogenic methane potential of the coal mine. Coal samples were ground to coal powder and screened through a 100-mesh sieve (less than 150 μm) in an anaerobic glove box (Xingmiao YQX-11, Shanghai, China).Mine water samples (1 L) were filtered through sterile 0.22 μm pore-size membrane filters (Whatman Japan KK, Tokyo, Japan).Coal

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Coalbed Methane Production - an overview ScienceDirect ...

The process involves drilling into the coal seam and casing the gas well; minifrac of the coal to determine its hydrofracking parameters; and finally pumping a calculated quantity of a fluid (water, gelled water, or cross-linked gel) mixed with sand to create a vertical, 500–1000 ft long, bilateral fracture that produces gas. Minifrac is a ...

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(PDF) Acetogens and Acetoclastic Methanosarcinales

2011-4-1  Therefore, the stable-isotope-labeled precursors of methane, [13C]acetate and H2-13CO2, were fed to liquid cultures from hard coal and mine timber from a coal mine in Germany.

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Long-term succession in a coal seam microbiome during in ...

2018-10-15  Krueger M, Beckmann S, Engelen B, Thielemann T, Cramer B, Schippers A, et al. Microbial methane formation from hard coal and mine timber in an abandoned coal mine. Geomicrobiol J. 2008;25:315–21 ...

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(PDF) Microbial Methane Potential for the South Sumatra ...

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 ...

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Methane Gas Detection - Heating and Process

2016-9-26  Coal Mining Methane. Coalbed methane occurs naturally in coal seams. Methane recovered from underground coal mines is generally grouped under the term Coal Mine Methane (CMM). 2 key factors influence CMM

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Coal Methanogenesis: energy production and water ...

Coal Methanogenesis: energy production and water management Planning for the future energy requirements requires innovative, multi-faceted, short-term and long-term approaches. Clearly, the long-term goal is to move away from fossil fuels and carbon-based energy, however mid-term or short-term alternatives are required to bridge current energy ...

More

Coal methanogenesis: a review of the need of complex ...

2017-2-10  Microbial biodegradation of coal into low-molecular-weight compounds such as methane has been extensively researched in the last two decades because of the underlying environmental and industrial applications of this technique as compared to the chemical and physical methods of coal conversions. However, the irregular structure of coal and the need

More

Microbial methanogenesis in subsurface oil and coal ...

Methanogenesis and methanogenic archaea. Biogenic methane production, or methanogenesis, is the terminal electron-accepting step of all respiratory chains in organic-rich, anoxic, electron acceptor-poor environments (Schink, 1997). Despite this wide distribution, methanogenesis is restricted to a very limited range of organic substrates.

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Methane production from coal by a single methanogen

2016-10-14  Coal-bed methane (CBM), a form of natural gas distributed in coal seams or adjacent sandstones, is a relatively untapped energy source with a large potential: The global reserves in 2014 were estimated at 50 trillion m 3, equivalent to 11% of conventional natural gas resources ().Large-scale CBM production has been implemented in the United States,

More

Microbial Methane Formation from Hard Coal and Timber

Here, two 1 m x 10 cm diameter column bioreactors designed to mimic an abandoned coal mine were monitored for a year, with zones of methanogenesis in

More

Surface Analysis of Coal Indicating Neutral Red Enhances ...

Acetogenesis is the preparation phase of methanogenesis because methanogens can only assimilate acetate, CO 2 and H 2 among the products formed during this process. In the present study, the surface chemical analysis of neutral red treated coal using attenuated total reflectance-fourier transform infrared (ATR-FTIR) spectroscopy and X-ray ...

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(PDF) Acetogens and Acetoclastic Methanosarcinales

2011-4-1  Therefore, the stable-isotope-labeled precursors of methane, [13C]acetate and H2-13CO2, were fed to liquid cultures from hard coal and mine timber from a coal mine in Germany.

More

Long-term succession in a coal seam microbiome during in ...

2018-10-15  Krueger M, Beckmann S, Engelen B, Thielemann T, Cramer B, Schippers A, et al. Microbial methane formation from hard coal and mine timber in an abandoned coal mine. Geomicrobiol J. 2008;25:315–21 ...

More

(PDF) Microbial Methane Potential for the South Sumatra ...

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 ...

More

Biological methane production from coal, manure, sludge ...

2CH (coal)+2H 2 O→CH 4 (for energy)+CO 2 (as HCO 3 −) (1a) For dry, ash-free Illinois coal the formula is C 1 H 0.847 N 0.017 O 0.081 S 0.017 Cl 0.00015 (1b) This is a natural process that occurs in coal beds where coal bed methane (CBM) is produced, generally by the action of a consortium of anaerobic bacteria typically in a biofilm around ...

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Coal Methanogenesis Biodesign Institute ASU

Coal methanogenesis: energy production and water management. Planning for the future energy requirements requires innovative, multi-faceted, short-term and long-term approaches. Clearly, the long-term goal is to move away from fossil fuels and carbon-based energy, however mid-term or short-term alternatives are required to bridge current energy ...

More

Coal Methanogenesis: energy production and water ...

Coal Methanogenesis: energy production and water management Planning for the future energy requirements requires innovative, multi-faceted, short-term and long-term approaches. Clearly, the long-term goal is to move away from fossil fuels and carbon-based energy, however mid-term or short-term alternatives are required to bridge current energy ...

More

Coal methanogenesis: a review of the need of complex ...

2017-2-10  Microbial biodegradation of coal into low-molecular-weight compounds such as methane has been extensively researched in the last two decades because of the underlying environmental and industrial applications of this technique as compared to the chemical and physical methods of coal conversions. However, the irregular structure of coal and the need

More

Methane production from coal by a single methanogen

2016-10-14  Coal-bed methane (CBM), a form of natural gas distributed in coal seams or adjacent sandstones, is a relatively untapped energy source with a large potential: The global reserves in 2014 were estimated at 50 trillion m 3, equivalent to 11% of conventional natural gas resources ().Large-scale CBM production has been implemented in the United States,

More

Microbial Methane Formation from Hard Coal and Timber

Here, two 1 m x 10 cm diameter column bioreactors designed to mimic an abandoned coal mine were monitored for a year, with zones of methanogenesis in

More

Potential of biogenic methane for pilot-scale fermentation ...

2018-2-20  Pilot-scale fermentation is one of the important processes for achieving industrialization of biogenic coalbed methane (CBM), although the mechanism of biogenic CBM remains unknown. In this study, 16 samples of formation water from CBM production wells were collected and enriched for methane production, and the methane content was between 3.1

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Study on the Decontamination by Introducing

Biogenic gas is an important end-product of methanogenesis in an anoxic environment. Based on the coal, coal-gangue, mine water of Songzao Coal Mine and in the case of adding inoculums, the quantities of gas and the contents of methane are measured by the microorganism action, and also respectively measured fermentation broth and residues by NO3--N, NH4+-N, S2- , SO42

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Long-term succession in a coal seam microbiome during in ...

2018-10-15  Krueger M, Beckmann S, Engelen B, Thielemann T, Cramer B, Schippers A, et al. Microbial methane formation from hard coal and mine timber in an abandoned coal mine. Geomicrobiol J. 2008;25:315–21 ...

More

(PDF) Microbial Methane Potential for the South Sumatra ...

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 ...

More

Mining Industries and Their Sustainable Management ...

2012-11-28  Abstract. Mining, minerals, and metals are important to the economic and social development as they are essentials for modern living. However, supplies of minerals, such as coal, are limited, and sustainable management of natural resources requires the maintenance, rational and enhanced use as well as a balanced consideration of ecology, economy, and

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