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Title: Study of char gasification by carbon dioxide. 2. Continuous gasification in fluidized bed

Abstract

Coal char gasification with carbon dioxide was performed in a fluidized bed. The continuous pyrolysis of the char was carried out in the nitrogen stream to evaluate the amount of gas produced by thermal decomposition. The gasification reaction was analyzed by assuming the reaction takes place independently after the pyrolysis is completed. The bubble size under the gasification condition was measured by use of the electroresistivity probe. The bubbling bed model and the thermogravimetrically obtained rate equation were used for the prediction of the conversions of both char and carbon dioxide, where the bubbling bed model was modified to give the stoichiometrically consistent material balance between the consumed char and carbon dioxide.

Authors:
; ; ;
Publication Date:
Research Org.:
Dept. of Chemical Engineering, The Univ. of Tokyo, Bunkyo-ku, Hongo, Tokyo
OSTI Identifier:
6484769
Resource Type:
Journal Article
Journal Name:
Ind. Eng. Chem. Res.; (United States)
Additional Journal Information:
Journal Volume: 26:1
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; CHARS; GASIFICATION; COAL GASIFICATION; CHEMICAL REACTION KINETICS; MATHEMATICAL MODELS; BUBBLE GROWTH; CARBON DIOXIDE; ELECTRIC CONDUCTIVITY; ELECTRIC PROBES; EQUATIONS; FLUIDIZED BEDS; GAS FLOW; NITROGEN; PYROLYSIS; SIZE; STOICHIOMETRY; THERMAL GRAVIMETRIC ANALYSIS; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; CHEMICAL ANALYSIS; CHEMICAL REACTIONS; DECOMPOSITION; ELECTRICAL PROPERTIES; ELEMENTS; FLUID FLOW; GRAVIMETRIC ANALYSIS; KINETICS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; PROBES; PYROLYSIS PRODUCTS; QUANTITATIVE CHEMICAL ANALYSIS; REACTION KINETICS; THERMAL ANALYSIS; THERMOCHEMICAL PROCESSES; 010404* - Coal, Lignite, & Peat- Gasification

Citation Formats

Matsui, I, Kojima, T, Kunii, D, and Furusawa, T. Study of char gasification by carbon dioxide. 2. Continuous gasification in fluidized bed. United States: N. p., 1987. Web. doi:10.1021/ie00061a018.
Matsui, I, Kojima, T, Kunii, D, & Furusawa, T. Study of char gasification by carbon dioxide. 2. Continuous gasification in fluidized bed. United States. doi:10.1021/ie00061a018.
Matsui, I, Kojima, T, Kunii, D, and Furusawa, T. Thu . "Study of char gasification by carbon dioxide. 2. Continuous gasification in fluidized bed". United States. doi:10.1021/ie00061a018.
@article{osti_6484769,
title = {Study of char gasification by carbon dioxide. 2. Continuous gasification in fluidized bed},
author = {Matsui, I and Kojima, T and Kunii, D and Furusawa, T},
abstractNote = {Coal char gasification with carbon dioxide was performed in a fluidized bed. The continuous pyrolysis of the char was carried out in the nitrogen stream to evaluate the amount of gas produced by thermal decomposition. The gasification reaction was analyzed by assuming the reaction takes place independently after the pyrolysis is completed. The bubble size under the gasification condition was measured by use of the electroresistivity probe. The bubbling bed model and the thermogravimetrically obtained rate equation were used for the prediction of the conversions of both char and carbon dioxide, where the bubbling bed model was modified to give the stoichiometrically consistent material balance between the consumed char and carbon dioxide.},
doi = {10.1021/ie00061a018},
journal = {Ind. Eng. Chem. Res.; (United States)},
number = ,
volume = 26:1,
place = {United States},
year = {1987},
month = {1}
}