A study was carried out in both inert and CO 2 atmosphere to investigate the interaction mechanism of K 2 CO 3 with graphite and coal char during the catalytic gasification of coal char. The formation of K 2 CO 3 catalytic precursors was identified by using series of different techniques. The results obtained in an inert atmosphere show that the interaction between K 2 CO 3 and carbon readily ...
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Catalytic gasification of a Wyodak lowsulfur subbituminous coal from the Powder River Basin of Wyoming was investigated using an inexpensive catalyst, Na2CO3, widely available in Wyoming.
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Abstract. Catalytic gasification of a Wyodak lowsulfur subbituminous coal from the Powder River Basin of Wyoming was investigated using an inexpensive catalyst, Na2CO3, widely available in ...
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Competition between H2O and CO2 during the gasification of Powder River Basin coal article{Wang2017CompetitionBH, title={Competition between H2O and CO2 during the gasification of Powder River Basin coal}, author={Ying Wang and David A. Bell}, journal={Fuel}, year={2017}, volume={187}, pages={94102} }
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The catalytic mechanism is generally described as the added metal element contacting with gasifying agent (H 2 O and/or CO 2 ) produces hydrogen and/or carbon monoxide and a layer of...
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CO capture and utilization caused more and more public attention because of its environmental impact. The objective of this work was to study the catalytic gasification of a subbituminous coal from the Powder River Basin (PRB) using a CO and HO mixture as the gasifying agent. Sodium and iron, in the form of inexpensive compounds, were chosen to catalyze the coal gasification. The experiments ...
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Characterization of the mechanism of gasification of a powder river basin coal with a composite catalyst for producing desired syngases and liquids. R. Monterroso M. Fan +7 authors D ... to study the catalysis of the carbonNO reaction by alkali, alkaline earth, and transition metal catalysts. The catalytic actions by the catalysts used in
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CO2 capture and utilization caused more and more public attention because of its environmental impact. The objective of this work was to study the catalytic gasification of a subbituminous coal from the Powder River Basin (PRB) using a CO2 and H2O mixture as the gasifying agent. Sodium and iron, in the form of inexpensive compounds, were chosen to catalyze the ...
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Semantic Scholar extracted view of "Gasification of a South Australian lowrank coal with carbon dioxide and steam: kinetics and reactivity studies" by D. Ye et al. ... Catalytic gasification of a Powder River Basin coal with CO2 and H2O mixtures. ... This work reports on a kinetic study on the gasification of Brazilian mineral coal with steam ...
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This kinetics arose from noncatalytic gasification. AAEM species remaining in the char had no catalytic activity. ... Catalytic gasification of a Powder River Basin coal with CO2 and H2O mixtures. Fuel Processing Technology 2017, 161, ... Analysis of Catalytic Gasification with Calcium in Coal Gasification Process by Extended Random Pore Model.
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Most of the coal produced in the PRB supports electric power generation in the United States. Starting in the 1990s, many coalfired power plants switched to subbituminous coal from the PRB—which has relatively low sulfur content—to meet tightening Clean Air Act emission 2003, the Powder River Basin yielded more coal than the Appalachian coal basins in the eastern United States.
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Rapagnà et al. studied catalytic steam gasification of almond shells in a bubbling fluidizedbed gasifier by using 10 wt % of Fe/olivine catalyst synthesized via the impregnation method. (190) The experiments were performed at temperatures between 800 and 830 °C, and blank (olivine) was used for comparison of the effect of a catalyst on gas ...
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In the, Wyoming is well known for its abundance of coal, especially in the Powder River Basin region, which meets about 40% of coal demand. Thus people are highly interested in using Wyoming coal as a potential feedstock for producing liquid fuels.
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Catalytic gasification of a Wyodak lowsulfur subbituminous coal from the Powder River Basin of Wyoming was investigated using an inexpensive catalyst, Na2CO3, widely available in Wyoming.
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CO 2 gasification of Wyodak lowsulfur subbituminous coal from the Powder River Basin (PRB) of Wyoming was conducted in a fixedbed laboratory gasifier at atmospheric pressure with Na 2 CO 3, an inexpensive catalyst widely available in Wyoming. The sodium effect on the coal pyrolysis and the sodium forms existing during the char gasification were investigated using thermogravimetric ...
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Catalytic gasification of a Wyodak lowsulfur subbituminous coal from the Powder River Basin of Wyoming was investigated using an inexpensive catalyst, Na 2 CO 3, widely available in Wyoming. Experiments were performed in an atmospheric pressure fixedbed laboratory gasifier.
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CO2 gasification of Powder River Basin coal catalyzed by a costeffective and environmentally friendly iron catalyst. Full Record; Other Related Research; Authors: Zhang, Fan; Xu, Deping; Wang, Yonggang; Argyle, Morris D.; Fan, Maohong Publication Date: Fri May 01 00:00:00 EDT 2015 Sponsoring Org.: USDOE
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Due to the serious impact of accelerating global climate change, the United States and China signed the China Joint Announcement on Climate Change in 2014, which imposed significant restrictions on the coal industry.
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The catalytic gasification of coal using calcium as the catalyst has several advantages over potassium, such as lower costs and corrosiveness, abundant reserves on earth, and facile accessibility. ... 2015 Reaction kinetics of Powder River Basin coal gasification in carbon dioxide using a modified drop tube reactor. Fuel 140, 616625.
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The objective of this work was to study the catalytic gasification of a subbituminous coal from the Powder River Basin (PRB) using a CO 2 and H 2 O mixture as the gasifying agent. Sodium and iron, in the form of inexpensive compounds, were chosen to catalyze the coal gasification.
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In this experimental and modeling investigation, Wyodak coal, a subbituminous coal from the Powder River Basin, was the coal employed and corn stover was the biomass. Torrefied corn stover was ...
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CO 2 gasification of Wyodak lowsulfur subbituminous coal from the Powder River Basin (PRB) of Wyoming was conducted in a fixedbed laboratory gasifier at atmospheric pressure with Na 2 CO 3, an inexpensive catalyst widely available in sodium effect on the coal pyrolysis and the sodium forms existing during the char gasification were investigated using thermogravimetric analyses ...
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The objective of this work was to study the catalytic gasification of a subbituminous coal from the Powder River Basin (PRB) using a CO2 and H2O mixture as the gasifying agent.
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Catalytic gasification in the coal conversion process is a promising way to develop ... Wang, Y., Argyle, M. D. Fan, M. CO 2 gasification of powder river basin coal catalyzed by a costeffective ...
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Gasification of biomass with CO 2 and H 2 O mixtures in a catalytic fluidised bed. Fuel 2017, 210, 605610. DOI: / Ying Wang, David A. Bell. Competition between H 2 O and CO 2 during the gasification of Powder River Basin coal. Fuel 2017, 187, 94102. DOI: /
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Introduction. Catalytic coal gasification has been studied worldwide for nearly 20 years due to its advantages, such accelerating process rate, improving carbon conversion degree, reducing process temperature, and thus decreasing energy consumption and limiting mechanical problems due to moderate conditions in a gasifier, as well as achieving a desired gas composition (Huang et al., 2015).
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As a result, fuels with larger surface area and more catalytic components in ash were preferred for increasing the intrinsic reactivity of CO2 gasification particularly for lowrank coals and biomass, respectively. ... Reaction kinetics of Powder River Basin coal gasification in carbon dioxide using a modified drop tube reactor, Fuel, 140 (2015 ...
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Authors: Zhang, Fan; Xu, Deping; Wang, Yonggang; Wang, Yan; Gao, Ying; Popa, Tiberiu; Fan, Maohong Publication Date: Sun Feb 01 00:00:00 EST 2015 Sponsoring Org ...
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Highquality oil and gas from pyrolysis of Powder River Basin coal catalyzed by an environmentallyfriendly, inexpensive composite ironsodium catalysts Article Dec 2017
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CO2 gasification of Powder River Basin coal catalyzed by a costeffective and environmentally friendly iron catalyst journal, May 2015. Zhang, Fan; Xu, Deping; Wang, Yonggang; ... (GPE) concept for producing synthetic natural gas and hydrogen from coal involves the catalytic gasification of coal and carbon. GPE's technology "refines" coal ...
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In this study, DFT is used to search for possible CO2 gasification paths at the two char edges (armchair edge and zigzag edge) catalyzed by Fe. The optimal reaction path is determined by path ...
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The reason for this enhanced gasification is the fact that CaO, the main form of calcium mineral during coal catalytic gasification, ... Competition between H 2 O and CO 2 during the gasification of Powder River Basin coal. Fuel, Volume 187, 2017, pp. 94102. Ying Wang, David A. Bell.
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