About: Isothermal kinetic analysis of the thermal decomposition of kaolinite: The thermogravimetric study

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this kinetic study, the dehydroxylation of the medium ordered kaolinite was investigated under isothermal conditions by the thermogravimetric analysis (TGA). The kinetic model function (mechanism) of the process and important kinetic parameters, i.e. overall activation energy (EA) and pre-exponential (frequency) factor (A), were evaluated from the series of the thermogravimetric experiments in the temperature range from 370 to 500 .C. The linearization procedure on measured data indicates that dehydroxylation of kaolinite and metakaolinite formation up to the temperature 410 .C is controlled by the rate of the second-order chemical reaction. The overall activation energy and frequency factor of dehydroxylation were determined as 257 kJ mol-1 and 1.9x10E19 -1, respectively. Above 410 .C, the course of thermal decomposition of kaolinite corresponds to a third-order reaction with the EA value of 202 kJ mol-1 and 2.9x10E15 s-1, respectively. In this kinetic study, the dehydroxylation of the medium ordered kaolinite was investigated under isothermal conditions by the thermogravimetric analysis (TGA). The kinetic model function (mechanism) of the process and important kinetic parameters, i.e. overall activation energy (EA) and pre-exponential (frequency) factor (A), were evaluated from the series of the thermogravimetric experiments in the temperature range from 370 to 500 .C. The linearization procedure on measured data indicates that dehydroxylation of kaolinite and metakaolinite formation up to the temperature 410 .C is controlled by the rate of the second-order chemical reaction. The overall activation energy and frequency factor of dehydroxylation were determined as 257 kJ mol-1 and 1.9x10E19 -1, respectively. Above 410 .C, the course of thermal decomposition of kaolinite corresponds to a third-order reaction with the EA value of 202 kJ mol-1 and 2.9x10E15 s-1, respectively. (en)
Title	Isothermal kinetic analysis of the thermal decomposition of kaolinite: The thermogravimetric study Isothermal kinetic analysis of the thermal decomposition of kaolinite: The thermogravimetric study (en)
skos:prefLabel	Isothermal kinetic analysis of the thermal decomposition of kaolinite: The thermogravimetric study Isothermal kinetic analysis of the thermal decomposition of kaolinite: The thermogravimetric study (en)
skos:notation	RIV/00216305:26310/10:PU88551!RIV12-MSM-26310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M06005), P(2B08024)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šoukal, František Kubátová, Dana Ptáček, Petr Havlica, Jaromír Brandštetr, Jiří Opravil, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta chemická
http://linked.open...dnocenehoVysledku	265021
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/10:PU88551
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Kaolin, China-clay, Kaolinite, Metakaolin, Isothermal kinetics, Dehydroxylation, TGA (en)
http://linked.open.../riv/klicoveSlovo	Metakaolin Kaolinite TGA Kaolin Dehydroxylation China-clay Isothermal kinetics
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[3E34F174A005]
http://linked.open...i/riv/nazevZdroje	Thermochimica Acta
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Integration research center of inorganic composites Research on the ecologic binder based on the geopolymer structure which is able to immobilize the potentially harmful substances from bulk-cargo produced industrial wastes, and its further application into building industry
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	501
http://linked.open...iv/tvurceVysledku	Šoukal, František Havlica, Jaromír Brandštetr, Jiří Opravil, Tomáš Ptáček, Petr Kubátová, Dana
http://linked.open...ain/vavai/riv/wos	000276136400005
issn	0040-6031
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	26310
is http://linked.open...avai/riv/vysledek of	Isothermal kinetic analysis of the thermal decomposition of kaolinite: The thermogravimetric study Isothermal kinetic analysis of the thermal decomposition of kaolinite: The thermogravimetric study

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