The suitable temperature for catalytic coal gasification to produce methane was K. ... CO 2 gasification of powder river basin coal catalyzed by a costeffective and environmentally friendly iron catalyst. Appl. Energy, 145 (2015), pp. 295305. View PDF View article View in Scopus Google Scholar
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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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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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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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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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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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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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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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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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Introduction. Nowadays, coal gasification technology is being widely developed to keep up with the soaring energy demand [1], [2]. Partial replacement of H 2 O by CO 2 to realize the gasification of coal with H 2 O/CO 2 mixtures (cogasification) is an important approach that can allow for green, lowcarbon, and sustainable development [3]. Moreover, low temperature gasification should also be ...
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DOI: / Corpus ID: ; Catalytic gasification of a Powder River Basin coal article{Popa2013CatalyticGO, title={Catalytic gasification of a Powder River Basin coal}, author={T. Popa and Maohong Fan and Morris D. Argyle and Rachid B. Slimane and David A. Bell and Brian Towler}, journal={Fuel}, year={2013}, volume={103}, pages={161170}, url={https://api ...
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The objective of this research was to examine the mechanisms of FeCO 3, Na 2 CO 3, and FeCO 3Na 2 CO 3 based catalytic coal gasification of a lowsulfur subbituminous Wyodak coal from the Powder River Basin (PRB) of Wyoming. Xray diffraction (XRD), Möss spectroscopy, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), gas chromatography (GCMS) and ...
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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, Na 2 CO 3, widely available in Wyoming. Experiments were performed in an atmospheric pressure fixedbed laboratory gasifier.
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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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Competition and Inhibition Effects during Coal Char Gasification in the Mixture of H2O and CO2. Rui Zhang, Q. H. Wang, Zhongyang Luo, M. Fang, K. Cen. Chemistry. 2013. 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 ...
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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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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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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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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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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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A study on the effect of the CO2/steam mixtures and the addition of natural minerals on the reactivity of Adaro coal gasification. International ... Gasification of biomass with CO2 and H2O mixtures in a catalytic fluidised bed. ... Competition between H 2 O and CO 2 during the gasification of Powder River Basin coal. Fuel 2017, 187, 94102 ...
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CO2 gasification of a subbituminous Wyodak coal from the Powder River Basin (PRB) was conducted in a fixedbed lab. gasifier at atm. pressure with FeCO3 as a catalyst precursor. The effect of iron on the coal pyrolysis was evaluated by thermogravimetric anal.
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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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Steam gasification kinetics studies were conducted in a modified drop tube fixed bed reactor to approximate the injection of ambient temperature coal into a fluidized bed gasifier. Product gases were measured using a customized rapid response gas analysis system with a quadrupole mass spectrometer. Experiments were done within Regime I temperature range (no mass transfer restrictions), and ...
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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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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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Electrochemical catalytic coal gasification experiments with Fuxin (FX) coal under a CO2 atmosphere were conducted to evaluate the effects of power and temperature on coal gasification and char structure evolution during electrochemical catalytic gasification (ECG). When the power was 400 W, with temperature increasing from 800 to 1000 °C, the CO content in the gas products increased by % ...
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