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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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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DOI: / Corpus ID: ; Catalytic CO 2 gasification of a Powder River Basin coal article{Zhang2015CatalyticC2, title={Catalytic CO 2 gasification of a Powder River Basin coal}, author={Fan Zhang and Deping Xu and Yonggang Wang and Yan Wang and Gao Ying and T. Popa and Maohong Fan}, journal={Fuel Processing Technology}, year={2015}, volume={130}, pages={107116} }
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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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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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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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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 objective of this work was to study the catalytic gasification of a subbituminous coal from the Powder River Basin (PRB) using a CO2 and H 2O 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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1. Introduction. Gasification technology offers one of the cleanest ways for different carbonaceous feedstocks. Since the 21st century, the C1 chemical industry based on syngas has developed rapidly under the promotion of largescale coal gasification technology, especially in a country rich in coal resources. 1 With the development of gasification technology, the feedstock of gasifiers ...
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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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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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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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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 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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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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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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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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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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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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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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DOI: / Corpus ID: ; Characterization of the mechanism of gasification of a powder river basin coal with a composite catalyst for producing desired syngases and liquids
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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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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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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 ...
WhatsApp: +86 18203695377![[PDF] Catalytic gasification of a Powder River Basin coal with CO2 and ...](/nw3z780/57.jpg)
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. Expand 1 1 Excerpt CO2 gasification of Yangchangwan coal catalyzed by ironbased waste catalyst from indirect coalliquefaction plant
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The total yield of the liquid tars increased from wt% for noncatalytic stepwise degradation to wt% for CaO catalyzed stepwise degradation, with an increase of wt%. ... Characterization of the mechanism of gasification of a powder river basin coal with a composite catalyst for producing desired syngases and liquids. Appl Catal, A ...
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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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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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As the largest coal mining region and the main coal supply in the United States, Powder River Basin (PRB) coal has a tight connection with this country's power industry and requires special attention in coal gasification studies. Very little investigation of PRB gasification rates in the presence of both CO 2 and steam have been done. As a ...
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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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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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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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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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