About: Cold-cap reactions in vitrification of nuclear waste glass: Experiments and modeling

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S0040603113000932
Description	Cold-cap reactions are multiple overlapping reactions that occur in the waste-glass melter during the vitrification process when the melter feed is being converted to molten glass. In this study, we used simultaneous differential scanning calorimetry-thermogravimetry (DSC-TGA) to investigate cold-cap reactions in a high-alumina high-level waste melter feed. To separate the reaction heat from both the heat associated with the heat capacity of the feed and experimental artifacts, we employed the run/rerun method, which enabled us to define the degree of conversion based on the reaction heat and to estimate the heat capacity of the reacting feed. Assuming that the reactions are nearly independent and can be approximated by an nth order kinetic model, we obtained the kinetic parameters using the Kissinger method combined with least squares analysis. The resulting mathematical simulation of the cold-cap reactions provides a key element for the development of an advanced cold-cap model. Cold-cap reactions are multiple overlapping reactions that occur in the waste-glass melter during the vitrification process when the melter feed is being converted to molten glass. In this study, we used simultaneous differential scanning calorimetry-thermogravimetry (DSC-TGA) to investigate cold-cap reactions in a high-alumina high-level waste melter feed. To separate the reaction heat from both the heat associated with the heat capacity of the feed and experimental artifacts, we employed the run/rerun method, which enabled us to define the degree of conversion based on the reaction heat and to estimate the heat capacity of the reacting feed. Assuming that the reactions are nearly independent and can be approximated by an nth order kinetic model, we obtained the kinetic parameters using the Kissinger method combined with least squares analysis. The resulting mathematical simulation of the cold-cap reactions provides a key element for the development of an advanced cold-cap model. (en)
Title	Cold-cap reactions in vitrification of nuclear waste glass: Experiments and modeling Cold-cap reactions in vitrification of nuclear waste glass: Experiments and modeling (en)
skos:prefLabel	Cold-cap reactions in vitrification of nuclear waste glass: Experiments and modeling Cold-cap reactions in vitrification of nuclear waste glass: Experiments and modeling (en)
skos:notation	RIV/60461373:22340/13:43895654!RIV14-MSM-22340___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	NEUVEDEN
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pokorný, Richard
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	65904
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/13:43895654
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	calorimetry-thermogravimetry; Simultaneous differential scanning; Heat capacity; Melting; Nuclear waste glass; Kissinger method; Kinetic model; Cold-cap reactions (en)
http://linked.open.../riv/klicoveSlovo	Melting Kissinger method Cold-cap reactions Kinetic model Nuclear waste glass Simultaneous differential scanning calorimetry-thermogravimetry Heat capacity
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[8379670FD509]
http://linked.open...i/riv/nazevZdroje	Thermochimica Acta
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	559
http://linked.open...iv/tvurceVysledku	Pokorný, Richard Hrma, Pavel Pierce, David A. Chun, Jaehun
http://linked.open...ain/vavai/riv/wos	000318751400004
issn	0040-6031
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.tca.2013.02.016
http://localhost/t...ganizacniJednotka	22340

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