catalytic gasification of a powder river basin coal with co2andh2omixtures

Catalytic CO2 gasification of a Powder River Basin coal

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 ...

Effects of Ca/Na compounds on coal gasification reactivity and char ...

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 ...

Competition between H2O and CO2 during the gasification of Powder River ...

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 ...

Impact of calcium on the synergistic effect for the reactivity of coal ...

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.

A new approach of reduction of carbon dioxide emission and optimal use ...

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 ...

Review on Catalytic Biomass Gasification for ... ACS Publications

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 ...

Catalytic CO2 gasification of a Powder River Basin coal

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 ...

Sixteen mines in the Powder River Basin produce 43% of coal

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.

A TGA study of CO2 gasification reaction of various types of coal and ...

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 ...

Catalytic gasification of a Powder River Basin coal with CO

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.

Catalytic gasification of a Powder River Basin coal with CO2 ... INFONA

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 ...

CO2 gasification of Powder River Basin coal catalyzed by a cost ...

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

Effects of Heating Rate and IonExchangeable Cations on the Pyrolysis ...

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.

Effect of K, Na and Cabased catalysts on the steam gasification ...

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).

CoGasification of Biomass and Coal: Overview ... ResearchGate

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 ...

Char Gasification Kinetics in Mixtures of CO2 and H2O: The Role of ...

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 ...

Char gasification in mixtures of CO2 and H2O: Competition and ...

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 ...

Characterization of the mechanism of gasification of a powder river ...

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.

Analysis of Coal Gasification Reactivity, Kinetics, and Mechanism with ...

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 ...

(PDF) Catalytic gasification of a Powder River Basin coal with CO 2 and ...

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.

Catalytic gasification of a Powder River Basin coal with CO2 and H2O ...

DOE PAGES ® Journal Article: Catalytic gasification of a Powder River Basin coal with CO2 and H2O mixtures. Catalytic gasification of a Powder River Basin coal with CO2 and H2O mixtures. Full Record; Other Related Research; Authors: Zhang, Fan; Fan, Maohong; Huang, Xin; Argyle, Morris D.; Zhang, Bo; Towler, Brian; Zhang, Yulong

(PDF) Analysis of Coal Gasification Reactivity, Kinetics ... ResearchGate

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.

Catalytic CO2 gasification of a Powder River Basin coal

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.

Catalytic gasification of a Powder River Basin coal

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.

Characterization of the mechanism of gasification of a powder river ...

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), Mössbauer spectroscopy, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), gas chromatography (GCMS) and ...

CO2 gasification of Powder River Basin coal catalyzed by a cost ...

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.

Morris ARGYLE | Associate Professor | PhD ResearchGate

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.

Processes | Free FullText | Catalytic Kinetics and Mechanisms of KCl ...

In this work, the influence of KCl concentration on the gasification characteristics of lignite coal char between °C is studied through the experiments of temperature programmed gasification and isothermal gasification using a thermogravimetric analyzer. The gasification kinetics, characteristic parameters, and the reaction mechanism of catalytic gasification is explored using the ...