About: Calorimetric investigation of chemical additives affecting oxidation of coal at low temperatures

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Interactions in the system ?coal - chemical additive - oxygen? were studied at temperature 30°C with the aim to recognise inhibitors of coal oxidation process that are able to modify coal surface in chemical way. Three coals of different rank were tested. As possible inhibitors, 14 aqueous solutions (10 wt%) of both inorganic (chlorides, sulphates, nitrates, phosphates, sulphites) and organic (formates, acetates, urea, thiourea) substances were examined. Action of additives on coal was evaluated from heat effect during immersion of the coal in the additive solution. It was found that the most of the studied substances proved immersing heats quite comparable with that of pure water. However, rather chemical action was ascertained for sodium sulphite, phenol, urea and/or thiourea with heat effects several times exceeding heats for pure water. Interactions in the system ?coal - chemical additive - oxygen? were studied at temperature 30°C with the aim to recognise inhibitors of coal oxidation process that are able to modify coal surface in chemical way. Three coals of different rank were tested. As possible inhibitors, 14 aqueous solutions (10 wt%) of both inorganic (chlorides, sulphates, nitrates, phosphates, sulphites) and organic (formates, acetates, urea, thiourea) substances were examined. Action of additives on coal was evaluated from heat effect during immersion of the coal in the additive solution. It was found that the most of the studied substances proved immersing heats quite comparable with that of pure water. However, rather chemical action was ascertained for sodium sulphite, phenol, urea and/or thiourea with heat effects several times exceeding heats for pure water. (en)
Title	Calorimetric investigation of chemical additives affecting oxidation of coal at low temperatures Calorimetric investigation of chemical additives affecting oxidation of coal at low temperatures (en)
skos:prefLabel	Calorimetric investigation of chemical additives affecting oxidation of coal at low temperatures Calorimetric investigation of chemical additives affecting oxidation of coal at low temperatures (en)
skos:notation	RIV/61988987:17310/11:A11010BE!RIV11-GA0-17310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA105/06/0630), P(IAA301870801)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Peter, Rudolf Slovák, Václav Taraba, Boleslav
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	Ostravská univerzita v Ostravě / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	189058
http://linked.open...ai/riv/idVysledku	RIV/61988987:17310/11:A11010BE
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coal; low-temperature oxidation; inhibition; calorimetry (en)
http://linked.open.../riv/klicoveSlovo	calorimetry coal inhibition low-temperature oxidation
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[A395AD7C6086]
http://linked.open...i/riv/nazevZdroje	FUEL PROCESS TECHNOL
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Modelling the distribution of the coal oxidation heat in the heterogenous porous surroundings Temperature aspects of adsorption from aqueous solutions on coals
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	92
http://linked.open...iv/tvurceVysledku	Peter, Rudolf Slovák, Václav Taraba, Boleslav
issn	0378-3820
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	17310

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