Journal ArticleDOI
Comparison of coal rank for enhanced biogenic natural gas production
Paul H. Fallgren,Song Jin,Cuiping Zeng,Cuiping Zeng,Zhiyong Ren,Anhuai Lu,Patricia J.S. Colberg +6 more
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TLDR
In this paper, a feasibility study was conducted in anaerobic microcosms containing each type of coal and amended with a nutrient solution and a methanogenic consortium of organisms enriched from formation water obtained from a coalbed methane well with a known history of biogenic gas production.About:
This article is published in International Journal of Coal Geology.The article was published on 2013-08-01. It has received 70 citations till now. The article focuses on the topics: Bituminous coal & Coal.read more
Citations
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Journal ArticleDOI
Enhanced microbial coalbed methane generation: A review of research, commercial activity, and remaining challenges
Daniel J. Ritter,David S. Vinson,Elliott P. Barnhart,Elliott P. Barnhart,Denise M. Akob,Matthew W. Fields,A. B. Cunningham,William H. Orem,Jennifer C. McIntosh,Jennifer C. McIntosh +9 more
TL;DR: In this paper, the progress of efforts to stimulate microbial methane generation in coal beds, and key remaining knowledge gaps are reviewed, and several key knowledge gaps remain that need to be addressed before MECoM strategies can be implemented commercially.
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Biogenic methane production from coal: A review on recent research and development on microbially enhanced coalbed methane (MECBM)
Stephen Park,Yanna Liang +1 more
TL;DR: In this paper, various approaches, such as bio-augmentation, biostimulation and physical, chemical and biological pretreatment for the purpose of enhancing methane yield are reviewed, and detailed reviews are provided on elucidating the composition of a microbial community, developing suitable nutrient solutions, and the in situ application of laboratory generated results.
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Biogenic methane in shale gas and coal bed methane : a review of current knowledge and gaps
Fabrizio Colosimo,Russell Thomas,Jonathan R. Lloyd,Kevin G. Taylor,Christopher Boothman,Anthony D. Smith,Richard Lord,Robert M. Kalin +7 more
TL;DR: In this article, a review summarises the current knowledge regarding biogenic CH4 in SG and CBM: from the nature of the rocks to the producing microbial community and the indicators of biogenicCH4, illustrating how these two environments show remarkably similar opportunities for the stimulation of BCH4 generation.
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The effect of coal rank on biogenic methane potential and microbial composition
TL;DR: In this article, the authors investigated the effect of coal rank on microbial community structure and found that coal rank has a significant negative correlation with final methane yield and rank, suggesting that the bioavailability of the coal organic material decreases with increasing thermal maturity.
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Characterizing microbial communities dedicated for conversion of coal to methane in situ and ex situ
TL;DR: To enhance methane production in situ in bituminous coal seams, distribution of microorganisms in the formation water collected from a coalbed methane well was investigated and revealed the presence of 185 bacteria species and nine archaea species which were dramatically different from those in the original formation water.
References
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Journal ArticleDOI
Biogeochemistry of Microbial Coal-Bed Methane
Dariusz Strąpoć,Maria Mastalerz,Katherine S. Dawson,Jennifer L. Macalady,Amy V. Callaghan,Boris Wawrik,Courtney Turich,Matthew Ashby +7 more
TL;DR: The anaerobic metabolism of the bacteria breaking coal down to methanogenic substrates, the likely rate-limiting step in biogenic gas production, is not fully understood and coal molecules are more recalcitrant to biodegradation with increasing thermal m...
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Thermogenic and Secondary Biogenic Gases, San Juan Basin, Colorado and New Mexico--Implications for Coalbed Gas Producibility
TL;DR: The San Juan basin is the most prolific coalbed gas basin in the world with 1992 production exceeding 440 Gcf (FOOTNOTE*) (124 billion m3), resources of approximately 50 Tcf (14 trillion m3) and proved reserves of over 6Tcf (170 billionm3) as discussed by the authors, with the highest production (initial potential greater than 10 Mcf/day or 028 million m3/day) occurring in the overpressured, north-central part of the basin.
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Stimulation of methane generation from nonproductive coal by addition of nutrients or a microbial consortium.
TL;DR: It is indicated that methane production could be stimulated at the nonproductive field site and that low microbial biomass may be limiting in situ methane generation, and the microcosm study suggests that the pathway for generating methane from coal involves complex microbial partnerships.
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Characterization of a methanogenic consortium enriched from a coalbed methane well in the Powder River Basin, U.S.A.
TL;DR: An opportunity to enhance coalbed methane reserves by stimulating the activity of existing methanogenic consortia in-situ is suggested; in particular, reservoir treatments that enhance coal solubility and dissolution rates may be beneficial.