About: The influence of calcite on the ash flow temperature for semi-anthracite coal from Donbas district

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper presents the results of research focused on the lowering of ash flow temperature at semianthracite coal from Donbas district by means of additive (calcite) dosing. Ash fusion temperatures were set for two coal samples (A, B) and for five various states (samples of ash without any additives, with 1 %, with 3 %, with 5 % and with 7 % of the additive) in total. The macroscopicphotographic method was used for identifying all specific temperatures. Obtained outputs prove that A type coal has a lower value of sphere temperature than B type coal in the whole scope of percentage representation of the additive. The flow temperature dropped in total from 1489 °C to 1280 °C, i.e. by 14 % during the test of coal of type A with 7 % of the additive; while it was near 10 % for coal of type B (from 1450 °C to 1308 °C). Numerical simulations of the process showed that it is not effective to add an additive with a grain size lower than 280 μm by means of waste-vapour burners. This paper presents the results of research focused on the lowering of ash flow temperature at semianthracite coal from Donbas district by means of additive (calcite) dosing. Ash fusion temperatures were set for two coal samples (A, B) and for five various states (samples of ash without any additives, with 1 %, with 3 %, with 5 % and with 7 % of the additive) in total. The macroscopicphotographic method was used for identifying all specific temperatures. Obtained outputs prove that A type coal has a lower value of sphere temperature than B type coal in the whole scope of percentage representation of the additive. The flow temperature dropped in total from 1489 °C to 1280 °C, i.e. by 14 % during the test of coal of type A with 7 % of the additive; while it was near 10 % for coal of type B (from 1450 °C to 1308 °C). Numerical simulations of the process showed that it is not effective to add an additive with a grain size lower than 280 μm by means of waste-vapour burners. (en)
Title	The influence of calcite on the ash flow temperature for semi-anthracite coal from Donbas district The influence of calcite on the ash flow temperature for semi-anthracite coal from Donbas district (en)
skos:prefLabel	The influence of calcite on the ash flow temperature for semi-anthracite coal from Donbas district The influence of calcite on the ash flow temperature for semi-anthracite coal from Donbas district (en)
skos:notation	RIV/61989100:27360/14:86091238!RIV15-MSM-27360___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Příhoda, Miroslav Pyszko, René
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 báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	21330
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/14:86091238
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coal, ash, additive, flow temperature, numerical simulation (en)
http://linked.open.../riv/klicoveSlovo	flow temperature coal additive numerical simulation ash
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[6ABE4F14129D]
http://linked.open...i/riv/nazevZdroje	Chemical and Process Engineering
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	35
http://linked.open...iv/tvurceVysledku	Příhoda, Miroslav Čarnogurská, Mária Pyszko, René Palkóci, Ján Širillová, Ľubomíra
issn	0208-6425
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.2478/cpe-2014-0038
http://localhost/t...ganizacniJednotka	27360

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