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Statements

Subject Item
n2:RIV%2F61988987%3A_____%2F09%3A%230000001%21RIV11-CBU-61988987
rdf:type
n11:Vysledek skos:Concept
dcterms:description
Effect of bituminous coal pre-treatment was investigated to elucidate possible changes in oxidation behaviour of the coal lying in the centre of spontaneous combustion site and/or its vicinity. Pre-oxidation of coal at elevated temperatures (200, 250°C) and coal pre-heating under inert gas (nitrogen) were examined as procedures simulating possible effects on coal during underground mine fires. After the pre-treatments, coal samples were evaluated with respect to their susceptibility to oxidation using calorimetric determination of oxidation heats. Simultaneously, amount and composition of the gases indicating spontaneous combustion stage (CO, unsaturated hydrocarbons) evolved at temperatures 40 - 200°C were measured at continuous flow reactor. Significant change in the oxyreactivity for coal, pre-heated under inert gas, was ascertained. Effect of bituminous coal pre-treatment was investigated to elucidate possible changes in oxidation behaviour of the coal lying in the centre of spontaneous combustion site and/or its vicinity. Pre-oxidation of coal at elevated temperatures (200, 250°C) and coal pre-heating under inert gas (nitrogen) were examined as procedures simulating possible effects on coal during underground mine fires. After the pre-treatments, coal samples were evaluated with respect to their susceptibility to oxidation using calorimetric determination of oxidation heats. Simultaneously, amount and composition of the gases indicating spontaneous combustion stage (CO, unsaturated hydrocarbons) evolved at temperatures 40 - 200°C were measured at continuous flow reactor. Significant change in the oxyreactivity for coal, pre-heated under inert gas, was ascertained.
dcterms:title
EFFECT OF PRE-TREATMENT OF THE COAL ON ITS OXIDATION BEHAVIOUR EFFECT OF PRE-TREATMENT OF THE COAL ON ITS OXIDATION BEHAVIOUR
skos:prefLabel
EFFECT OF PRE-TREATMENT OF THE COAL ON ITS OXIDATION BEHAVIOUR EFFECT OF PRE-TREATMENT OF THE COAL ON ITS OXIDATION BEHAVIOUR
skos:notation
RIV/61988987:_____/09:#0000001!RIV11-CBU-61988987
n4:aktivita
n15:P
n4:aktivity
P(ABCBU55-07)
n4:dodaniDat
n16:2011
n4:domaciTvurceVysledku
n5:6343392 n5:8786097 n5:3892042
n4:druhVysledku
n12:C
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n17:predkladatel
n4:idSjednocenehoVysledku
312227
n4:idVysledku
RIV/61988987:_____/09:#0000001
n4:jazykVysledku
n13:eng
n4:klicovaSlova
spontaneous heating; coal; oxidation heat; gas evolution; thermal analysis
n4:klicoveSlovo
n6:coal n6:spontaneous%20heating n6:gas%20evolution n6:thermal%20analysis n6:oxidation%20heat
n4:kontrolniKodProRIV
[B0B6C1966B55]
n4:mistoVydani
New Delhi, Indie
n4:nazevEdiceCisloSvazku
Mine Ventilation (Ed. D.C.Panigrahi), volume 1
n4:nazevZdroje
Mine Ventilation (Ed. D.C.Panigrahi), volume 1
n4:obor
n9:CF
n4:pocetDomacichTvurcuVysledku
3
n4:pocetStranKnihy
1078
n4:pocetTvurcuVysledku
4
n4:projekt
n14:ABCBU55-07
n4:rokUplatneniVysledku
n16:2009
n4:tvurceVysledku
Slovák, Václav Pavelek, Zdeněk Janek, Jiří Taraba, Boleslav
s:numberOfPages
6
n10:hasPublisher
Oxford and IBH Publishing Co
n18:isbn
978-1-57808-679-5