About: The non-isothermal kinetic analysis of the thermal decomposition of kaolinite by thermogravimetric analysis

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About: The non-isothermal kinetic analysis of the thermal decomposition of kaolinite by thermogravimetric analysis Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The dehydroxylation of the medium ordered kaolinite was investigated under non-isothermal conditions. Samples of industrially treated (washed) kaolin with high content of kaolinite were calcined using heating rate from 1 to 40 C min-1. The results of thermogravimetric analysis (TGA) were supplemented by differential thermal analysis (DTA), infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM) results. The mechanism and pertinent kinetic parameters, i.e. overall activation energy (EA) and pre-exponential (frequency) factor (A), were evaluated from the series of thermogravimetric experiments. The obtained results show that dehydroxylation of kaolinite is controlled by the rate of third-order reaction (F3) under applied condition. The median values of EA and A correspond to 227 +/- 1 kJ mol-1 and (9.4 +/- 0.3) x 10E9 s-1, respectively. The dehydroxylation of the medium ordered kaolinite was investigated under non-isothermal conditions. Samples of industrially treated (washed) kaolin with high content of kaolinite were calcined using heating rate from 1 to 40 C min-1. The results of thermogravimetric analysis (TGA) were supplemented by differential thermal analysis (DTA), infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM) results. The mechanism and pertinent kinetic parameters, i.e. overall activation energy (EA) and pre-exponential (frequency) factor (A), were evaluated from the series of thermogravimetric experiments. The obtained results show that dehydroxylation of kaolinite is controlled by the rate of third-order reaction (F3) under applied condition. The median values of EA and A correspond to 227 +/- 1 kJ mol-1 and (9.4 +/- 0.3) x 10E9 s-1, respectively. (en)
Title	The non-isothermal kinetic analysis of the thermal decomposition of kaolinite by thermogravimetric analysis The non-isothermal kinetic analysis of the thermal decomposition of kaolinite by thermogravimetric analysis (en)
skos:prefLabel	The non-isothermal kinetic analysis of the thermal decomposition of kaolinite by thermogravimetric analysis The non-isothermal kinetic analysis of the thermal decomposition of kaolinite by thermogravimetric analysis (en)
skos:notation	RIV/00216305:26310/10:PU88554!RIV15-MSM-26310___
http://linked.open...avai/riv/aktivita	O P
http://linked.open...avai/riv/aktivity	O, P(2B08024), P(ED0012/01/01), P(FT-TA3/026)
http://linked.open...iv/cisloPeriodika	2-3
http://linked.open...vai/riv/dodaniDat	2015
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	275023
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/10:PU88554
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Metakaolinite, Kaolinite, Dehydroxylation, Non-isothermal kinetics, Activation energy, Thermogravimetric analysis (en)
http://linked.open.../riv/klicoveSlovo	Thermogravimetric analysis Activation energy Kaolinite Dehydroxylation Metakaolinite Non-isothermal kinetics
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[27F91D6098BD]
http://linked.open...i/riv/nazevZdroje	POWDER TECHNOLOGY
http://linked.open...in/vavai/riv/obor	JP
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Dosing optimization of alternative fuels with high content of P2O5 during cement production. 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 Centres for materials research at FCH BUT
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	204
http://linked.open...iv/tvurceVysledku	Šoukal, František Havlica, Jaromír Brandštetr, Jiří Opravil, Tomáš Ptáček, Petr Kubátová, Dana
issn	0032-5910
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	26310

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