Kinetic study of the reaction of a subbituminous coal char with oxygen

The objective of the present work is to determine the kinetic parameters of the reaction with oxygen of char samples prepared from subbituminous coal of the Río Turbio (Argentina) mine field and to characterize the reaction behavior at different temperatures. Kinetic measurements were performed at d...

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Autores principales: Gutierrez, M.C., Cukierman, A.L., Lemcoff, N.O.
Formato: JOUR
Materias:
CHEMICAL REACTIONS - Reaction Kinetics
OXYGEN
THERMAL EFFECTS
COAL CHAR
SUBBITUMINOUS COAL
COAL
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_01687336_v4_n3_p227_Gutierrez
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_01687336_v4_n3_p227_Gutierrez2023-10-03T15:06:38Z Kinetic study of the reaction of a subbituminous coal char with oxygen Gutierrez, M.C. Cukierman, A.L. Lemcoff, N.O. CHEMICAL REACTIONS - Reaction Kinetics OXYGEN THERMAL EFFECTS COAL CHAR SUBBITUMINOUS COAL COAL The objective of the present work is to determine the kinetic parameters of the reaction with oxygen of char samples prepared from subbituminous coal of the Río Turbio (Argentina) mine field and to characterize the reaction behavior at different temperatures. Kinetic measurements were performed at different reaction temperatures and oxygen concentrations by isothermic thermogravimetrical analysis. The intrinsic activation energy and the true reaction order were 29 kcal mol and 0.54 respectively. The results obtained for chemically controlled reaction rates were satisfactory fitted by the random capillary model. The parameters determined in this work do not differ widely from those found in the literature even for chars/coals of different rank. © 1987. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_01687336_v4_n3_p227_Gutierrez
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic CHEMICAL REACTIONS - Reaction Kinetics
OXYGEN
THERMAL EFFECTS
COAL CHAR
SUBBITUMINOUS COAL
COAL
spellingShingle CHEMICAL REACTIONS - Reaction Kinetics
OXYGEN
THERMAL EFFECTS
COAL CHAR
SUBBITUMINOUS COAL
COAL
Gutierrez, M.C.
Cukierman, A.L.
Lemcoff, N.O.
Kinetic study of the reaction of a subbituminous coal char with oxygen
topic_facet CHEMICAL REACTIONS - Reaction Kinetics
OXYGEN
THERMAL EFFECTS
COAL CHAR
SUBBITUMINOUS COAL
COAL
description The objective of the present work is to determine the kinetic parameters of the reaction with oxygen of char samples prepared from subbituminous coal of the Río Turbio (Argentina) mine field and to characterize the reaction behavior at different temperatures. Kinetic measurements were performed at different reaction temperatures and oxygen concentrations by isothermic thermogravimetrical analysis. The intrinsic activation energy and the true reaction order were 29 kcal mol and 0.54 respectively. The results obtained for chemically controlled reaction rates were satisfactory fitted by the random capillary model. The parameters determined in this work do not differ widely from those found in the literature even for chars/coals of different rank. © 1987.
format JOUR
author Gutierrez, M.C.
Cukierman, A.L.
Lemcoff, N.O.
author_facet Gutierrez, M.C.
Cukierman, A.L.
Lemcoff, N.O.
author_sort Gutierrez, M.C.
title Kinetic study of the reaction of a subbituminous coal char with oxygen
title_short Kinetic study of the reaction of a subbituminous coal char with oxygen
title_full Kinetic study of the reaction of a subbituminous coal char with oxygen
title_fullStr Kinetic study of the reaction of a subbituminous coal char with oxygen
title_full_unstemmed Kinetic study of the reaction of a subbituminous coal char with oxygen
title_sort kinetic study of the reaction of a subbituminous coal char with oxygen
url http://hdl.handle.net/20.500.12110/paper_01687336_v4_n3_p227_Gutierrez
work_keys_str_mv AT gutierrezmc kineticstudyofthereactionofasubbituminouscoalcharwithoxygen
AT cukiermanal kineticstudyofthereactionofasubbituminouscoalcharwithoxygen
AT lemcoffno kineticstudyofthereactionofasubbituminouscoalcharwithoxygen
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