About: Modelling of a combined NOx storage and NH3-SCR catalytic system for Diesel exhaust gas aftertreatment

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About: Modelling of a combined NOx storage and NH3-SCR catalytic system for Diesel exhaust gas aftertreatment Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A combined Diesel exhaust gas aftertreatment system is studied, consisting of the NOx storage and reduction catalyst (NSRC, called also lean NOx trap, LNT) and the catalyst for selective catalytic reduction of NOx by NH3 (NH3-SCR). Most of the time the system is operated under prevailing fuel-lean conditions, enabling economical running of the engine. During this phase the NOx emissions are being adsorbed in the NSRC. However, short fuel enrichments need to be applied periodically for the NSRC regeneration (reduction of the stored NOx). Ammonia produced in the NSRC as a by-product of the NOx reduction under controlled fuel-rich conditions is then adsorbed in the NH3-SCR reactor located downstream. The adsorbed NH3 is consequently utilised in selective NOx reduction during the next fuel-lean period. The NSRC+SCR configuration thus eliminates the need for an external NH3 source (e.g., periodically re-filled urea solution tank) that is necessary in the case of the stand-alone SCR. Development of effecti A combined Diesel exhaust gas aftertreatment system is studied, consisting of the NOx storage and reduction catalyst (NSRC, called also lean NOx trap, LNT) and the catalyst for selective catalytic reduction of NOx by NH3 (NH3-SCR). Most of the time the system is operated under prevailing fuel-lean conditions, enabling economical running of the engine. During this phase the NOx emissions are being adsorbed in the NSRC. However, short fuel enrichments need to be applied periodically for the NSRC regeneration (reduction of the stored NOx). Ammonia produced in the NSRC as a by-product of the NOx reduction under controlled fuel-rich conditions is then adsorbed in the NH3-SCR reactor located downstream. The adsorbed NH3 is consequently utilised in selective NOx reduction during the next fuel-lean period. The NSRC+SCR configuration thus eliminates the need for an external NH3 source (e.g., periodically re-filled urea solution tank) that is necessary in the case of the stand-alone SCR. Development of effecti (en)
Title	Modelling of a combined NOx storage and NH3-SCR catalytic system for Diesel exhaust gas aftertreatment Modelling of a combined NOx storage and NH3-SCR catalytic system for Diesel exhaust gas aftertreatment (en)
skos:prefLabel	Modelling of a combined NOx storage and NH3-SCR catalytic system for Diesel exhaust gas aftertreatment Modelling of a combined NOx storage and NH3-SCR catalytic system for Diesel exhaust gas aftertreatment (en)
skos:notation	RIV/60461373:22340/10:00023480!RIV11-MSM-22340___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6046137306)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kočí, Petr
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	271933
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/10:00023480
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	NOx storage catalyst; Lean NOx trap; Selective NOx reduction; NH3; Mathematical modelling; Automobile exhaust gas conversion (en)
http://linked.open.../riv/klicoveSlovo	Mathematical modelling Lean NOx trap Automobile exhaust gas conversion NOx storage catalyst Selective NOx reduction NH3
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[0A129C99624F]
http://linked.open...i/riv/nazevZdroje	Catalysis Today
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	151
http://linked.open...iv/tvurceVysledku	Kočí, Petr Chatterjee, Daniel Krutzsch, Bernd Schmeisser, Volker Weibel, Michel
http://linked.open...ain/vavai/riv/wos	000279375300024
http://linked.open...n/vavai/riv/zamer	Reakčně-transportní chemicko-inženýrské systémy a jejich dynamické chování, modelování a řízení chemických a biotechnologických procesů
issn	0920-5861
number of pages	15 (xsd:int)
http://localhost/t...ganizacniJednotka	22340

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