Deactivation of a Vanadium-Based SCR Catalyst Used in a Biogas-Powered Euro VI Heavy-Duty Engine Installation

We have investigated how the exhaust gases from a heavy-duty Euro VI engine, powered with biogas impact a vanadium-based selective catalytic reduction (SCR) catalyst in terms of performance. A full Euro VI emission control system was used and the accumulation of catalyst poisons from the combustion...
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Autor*in:	Johanna Englund [verfasserIn] Sandra Dahlin [verfasserIn] Andreas Schaefer [verfasserIn] Kunpeng Xie [verfasserIn] Lennart Andersson [verfasserIn] Soran Shwan [verfasserIn] Per-Anders Carlsson [verfasserIn] Lars J. Pettersson [verfasserIn] Magnus Skoglundh [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	NH V catalyst deactivation biogas methane engine-bench

Übergeordnetes Werk:	In: Catalysts - MDPI AG, 2012, 10(2020), 5, p 552
Übergeordnetes Werk:	volume:10 ; year:2020 ; number:5, p 552

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/catal10050552

Katalog-ID:	DOAJ01743131X

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authorswithroles_txt_mv	Johanna Englund @@aut@@ Sandra Dahlin @@aut@@ Andreas Schaefer @@aut@@ Kunpeng Xie @@aut@@ Lennart Andersson @@aut@@ Soran Shwan @@aut@@ Per-Anders Carlsson @@aut@@ Lars J. Pettersson @@aut@@ Magnus Skoglundh @@aut@@
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callnumber-first	T - Technology
author	Johanna Englund
spellingShingle	Johanna Englund misc TP1-1185 misc QD1-999 misc NH<sub<3</sub<-SCR misc V<sub<2</sub<O<sub<5</sub<-WO<sub<3</sub</TiO<sub<2</sub< misc catalyst deactivation misc biogas misc methane misc engine-bench misc Chemical technology misc Chemistry Deactivation of a Vanadium-Based SCR Catalyst Used in a Biogas-Powered Euro VI Heavy-Duty Engine Installation
authorStr	Johanna Englund
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topic_title	TP1-1185 QD1-999 Deactivation of a Vanadium-Based SCR Catalyst Used in a Biogas-Powered Euro VI Heavy-Duty Engine Installation NH<sub<3</sub<-SCR V<sub<2</sub<O<sub<5</sub<-WO<sub<3</sub</TiO<sub<2</sub< catalyst deactivation biogas methane engine-bench
topic	misc TP1-1185 misc QD1-999 misc NH<sub<3</sub<-SCR misc V<sub<2</sub<O<sub<5</sub<-WO<sub<3</sub</TiO<sub<2</sub< misc catalyst deactivation misc biogas misc methane misc engine-bench misc Chemical technology misc Chemistry
topic_unstemmed	misc TP1-1185 misc QD1-999 misc NH<sub<3</sub<-SCR misc V<sub<2</sub<O<sub<5</sub<-WO<sub<3</sub</TiO<sub<2</sub< misc catalyst deactivation misc biogas misc methane misc engine-bench misc Chemical technology misc Chemistry
topic_browse	misc TP1-1185 misc QD1-999 misc NH<sub<3</sub<-SCR misc V<sub<2</sub<O<sub<5</sub<-WO<sub<3</sub</TiO<sub<2</sub< misc catalyst deactivation misc biogas misc methane misc engine-bench misc Chemical technology misc Chemistry
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title	Deactivation of a Vanadium-Based SCR Catalyst Used in a Biogas-Powered Euro VI Heavy-Duty Engine Installation
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title_full	Deactivation of a Vanadium-Based SCR Catalyst Used in a Biogas-Powered Euro VI Heavy-Duty Engine Installation
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author_browse	Johanna Englund Sandra Dahlin Andreas Schaefer Kunpeng Xie Lennart Andersson Soran Shwan Per-Anders Carlsson Lars J. Pettersson Magnus Skoglundh
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title_sort	deactivation of a vanadium-based scr catalyst used in a biogas-powered euro vi heavy-duty engine installation
callnumber	TP1-1185
title_auth	Deactivation of a Vanadium-Based SCR Catalyst Used in a Biogas-Powered Euro VI Heavy-Duty Engine Installation
abstract	We have investigated how the exhaust gases from a heavy-duty Euro VI engine, powered with biogas impact a vanadium-based selective catalytic reduction (SCR) catalyst in terms of performance. A full Euro VI emission control system was used and the accumulation of catalyst poisons from the combustion was investigated for the up-stream particulate filter as well as the SCR catalyst. The NO<i<<sub<x</sub<</i< reduction performance in terms of standard, fast and NO<sub<2</sub<-rich SCR was evaluated before and after exposure to exhaust from a biogas-powered engine for 900 h. The SCR catalyst retains a significant part of its activity towards NO<i<<sub<x</sub<</i< reduction after exposure to biogas exhaust, likely due to capture of catalyst poisons on the up-stream components where the deactivation of the oxidation catalyst is especially profound. At lower temperatures some deactivation of the first part of the SCR catalyst was observed which could be explained by a considerably higher surface V<sup<4+</sup</V<sup<5+</sup< ratio for this sample compared to the other samples. The higher value indicates that the reoxidation of V<sup<4+</sup< to V<sup<5+</sup< is partially hindered, blocking the redox cycle for parts of the active sites.
abstractGer	We have investigated how the exhaust gases from a heavy-duty Euro VI engine, powered with biogas impact a vanadium-based selective catalytic reduction (SCR) catalyst in terms of performance. A full Euro VI emission control system was used and the accumulation of catalyst poisons from the combustion was investigated for the up-stream particulate filter as well as the SCR catalyst. The NO<i<<sub<x</sub<</i< reduction performance in terms of standard, fast and NO<sub<2</sub<-rich SCR was evaluated before and after exposure to exhaust from a biogas-powered engine for 900 h. The SCR catalyst retains a significant part of its activity towards NO<i<<sub<x</sub<</i< reduction after exposure to biogas exhaust, likely due to capture of catalyst poisons on the up-stream components where the deactivation of the oxidation catalyst is especially profound. At lower temperatures some deactivation of the first part of the SCR catalyst was observed which could be explained by a considerably higher surface V<sup<4+</sup</V<sup<5+</sup< ratio for this sample compared to the other samples. The higher value indicates that the reoxidation of V<sup<4+</sup< to V<sup<5+</sup< is partially hindered, blocking the redox cycle for parts of the active sites.
abstract_unstemmed	We have investigated how the exhaust gases from a heavy-duty Euro VI engine, powered with biogas impact a vanadium-based selective catalytic reduction (SCR) catalyst in terms of performance. A full Euro VI emission control system was used and the accumulation of catalyst poisons from the combustion was investigated for the up-stream particulate filter as well as the SCR catalyst. The NO<i<<sub<x</sub<</i< reduction performance in terms of standard, fast and NO<sub<2</sub<-rich SCR was evaluated before and after exposure to exhaust from a biogas-powered engine for 900 h. The SCR catalyst retains a significant part of its activity towards NO<i<<sub<x</sub<</i< reduction after exposure to biogas exhaust, likely due to capture of catalyst poisons on the up-stream components where the deactivation of the oxidation catalyst is especially profound. At lower temperatures some deactivation of the first part of the SCR catalyst was observed which could be explained by a considerably higher surface V<sup<4+</sup</V<sup<5+</sup< ratio for this sample compared to the other samples. The higher value indicates that the reoxidation of V<sup<4+</sup< to V<sup<5+</sup< is partially hindered, blocking the redox cycle for parts of the active sites.
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container_issue	5, p 552
title_short	Deactivation of a Vanadium-Based SCR Catalyst Used in a Biogas-Powered Euro VI Heavy-Duty Engine Installation
url	https://doi.org/10.3390/catal10050552 https://doaj.org/article/07a4ba5502d345edbb543f87b6fe38b0 https://www.mdpi.com/2073-4344/10/5/552 https://doaj.org/toc/2073-4344
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author2	Sandra Dahlin Andreas Schaefer Kunpeng Xie Lennart Andersson Soran Shwan Per-Anders Carlsson Lars J. Pettersson Magnus Skoglundh
author2Str	Sandra Dahlin Andreas Schaefer Kunpeng Xie Lennart Andersson Soran Shwan Per-Anders Carlsson Lars J. Pettersson Magnus Skoglundh
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up_date	2024-07-04T01:34:40.363Z
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