CO2 gasification of a subbituminous Wyodak coal from the Powder River Basin (PRB) was conducted in a fixedbed laboratory gasifier at atmospheric pressure with FeCO3 as a catalyst precursor.
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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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Popa et al. [13]. studied the catalytic steam gasification of a Powder River Basin coal using Na 2 CO 3, and the results demonstrated that the total amounts of H 2, CO, CO 2 and CH 4 generated during the entire gasification with 5 g of dry ashfree coal were,, and mol, respectively, while correspondingly, those with catalyst ...
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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. Sodium...
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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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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 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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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 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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In this study, the influence of Na, Fe and their composite catalysts on the structure and gasification reactivity of chars derived from pyrolysis of Powder River Basin (PRB) coal was investigated.
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Competition between H 2 O and CO 2 during the gasification of Powder River Basin coal. Fuel (2017) R. Zhang et al. The effects of specific surface area and ash on char gasification mechanisms in the mixture of H 2 O ... Hydrogen production from high temperature steam catalytic gasification of biochar. Journal of the Energy Institute, Volume 89 ...
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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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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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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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Popa et al. [13]. studied the catalytic steam gasification of a Powder River Basin coal using Na2CO3, and the results demonstrated that the total amounts of H2, CO, CO2 and CH4 generated during the entire gasification with 5 g of dry ashfree coal were,, and mol, respectively, while correspondingly, those with catalyst were ...
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The catalytic effect of AAEMs on CSC gasification was weakened due to waterleaching treatment. ... Reaction kinetics of Powder River Basin coal gasification were measured in a modified drop tube ...
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The mechanisms of char gasification in the mixture of H2O and CO2 are not clear, and some problems are yet to be solved. The LangmuirHinshelwood (LH) model of char gasification in the mixture of H2O and CO2 and the inhibition effect between charH2O and charCO2 reactions are two controversial issues among these problems. This paper presented new data to elucidate these two issues ...
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The coalbased integrated gasification combined cycle (IGCC) offers the advantages of higher efficiency in separating CO 2 and other pollutants compared to conventional coalfired power plants. The CO 2 collected in the IGCC can be injected into oceans or deep underground geological formations [4].
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Catalytic gasification of a Powder River Basin coal with CO2 and H2O mixtures Fan Zhang M. Fan +4 authors Yulong Zhang Chemistry 2017 17 PDF CO2 gasification of Yangchangwan coal catalyzed by ironbased waste catalyst from indirect coalliquefaction plant Xinsha Zhang Xudong Song +4 authors G. Yu Chemistry 2021 20
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Variation of Char Reactivity during Catalytic Gasification with Steam: Comparison among Catalytic Gasification by IonExchangeable Na, Ca, and Na/Ca Mixture. ... Characterization of Powder River Basin coal pyrolysis with costeffective and environmentallyfriendly composite Na Fe catalysts in a thermogravimetric analyzer and a fixedbed reactor.
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A kinetic characterization of the CO 2 gasification of chars from Chinese lowrank lignite coal is performed by isothermal thermogravimetry. The isothermal condition is 1,073 K, and the CO 2 concentration range is 1090%. Alkali and alkali earth catalysts were used to promote the gasification reactivity.
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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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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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The gasification experiments of coal chars with CO2 were carried out isothermally, with K, Ca, Ni, and Zn chloride catalysts, adopting a thermal gravimetric analyzer (TGA) from 800 to 1100 °C. The kinetic characteristic of the samples were described using the volumetric model (VM), the grain model (GM), and the random pore model (PRM). The morphology patterns of the samples were tested ...
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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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