The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>

The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>

Poisoning effects by alkali metal chlorides is one of the major reasons for the deactivation of SCR catalyst in biomass-fired plants. In this study, the influence of KCl on two vanadium-based catalysts with different promoters, V<sub>2</sub>O<sub>5</sub>-WO<sub>3</su...

Full description

Bibliographic Details
Main Authors: Hua Nie, Wei Li, Qirong Wu, Vladislav Rac, Vesna Rakić, Xuesen Du
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Catalysts
Subjects:
alkali-poisoning
kcl
nh<sub>3</sub>-scr
so<sub>2</sub> regeneration
Online Access:https://www.mdpi.com/2073-4344/10/2/207
id doaj-6db1e81654a54434bb23fb172cf33c94
record_format Article
spelling doaj-6db1e81654a54434bb23fb172cf33c942020-11-25T01:40:00ZengMDPI AGCatalysts2073-43442020-02-0110220710.3390/catal10020207catal10020207The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>Hua Nie0Wei Li1Qirong Wu2Vladislav Rac3Vesna Rakić4Xuesen Du5Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education of People’s Republic of China, Chongqing University, Chongqing 400044, ChinaKey Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education of People’s Republic of China, Chongqing University, Chongqing 400044, ChinaState Power Investment Corporation Yuanda Environmental Protection Engineering Co., Ltd., Yancheng 224000, ChinaFaculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Zemun-Belgrade, SerbiaFaculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Zemun-Belgrade, SerbiaKey Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education of People’s Republic of China, Chongqing University, Chongqing 400044, ChinaPoisoning effects by alkali metal chlorides is one of the major reasons for the deactivation of SCR catalyst in biomass-fired plants. In this study, the influence of KCl on two vanadium-based catalysts with different promoters, V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub>, was investigated. The catalytic activity of the fresh V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> was higher than that of V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> at low temperatures. V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> performed better than V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> when KCl was deposited on the catalyst surface. Both poisoned catalysts were efficiently regenerated by SO<sub>2</sub> treatment. The characterization results show that the reducibility and acidity of the catalysts were weakened by KCl deposition but regenerated by SO<sub>2</sub>.https://www.mdpi.com/2073-4344/10/2/207alkali-poisoningkclnh<sub>3</sub>-scrso<sub>2</sub> regeneration
collection DOAJ
language English
format Article
sources DOAJ
author Hua Nie
Wei Li
Qirong Wu
Vladislav Rac
Vesna Rakić
Xuesen Du
spellingShingle Hua Nie
Wei Li
Qirong Wu
Vladislav Rac
Vesna Rakić
Xuesen Du
The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>
Catalysts
alkali-poisoning
kcl
nh<sub>3</sub>-scr
so<sub>2</sub> regeneration
author_facet Hua Nie
Wei Li
Qirong Wu
Vladislav Rac
Vesna Rakić
Xuesen Du
author_sort Hua Nie
title The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>
title_short The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>
title_full The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>
title_fullStr The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>
title_full_unstemmed The Poisoning of V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> SCR Catalysts by KCl and The Partial Regeneration by SO<sub>2</sub>
title_sort poisoning of v<sub>2</sub>o<sub>5</sub>-wo<sub>3</sub>/tio<sub>2</sub> and v<sub>2</sub>o<sub>5</sub>-ce(so<sub>4</sub>)<sub>2</sub>/tio<sub>2</sub> scr catalysts by kcl and the partial regeneration by so<sub>2</sub>
publisher MDPI AG
series Catalysts
issn 2073-4344
publishDate 2020-02-01
description Poisoning effects by alkali metal chlorides is one of the major reasons for the deactivation of SCR catalyst in biomass-fired plants. In this study, the influence of KCl on two vanadium-based catalysts with different promoters, V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub>, was investigated. The catalytic activity of the fresh V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> was higher than that of V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> at low temperatures. V<sub>2</sub>O<sub>5</sub>-Ce(SO<sub>4</sub>)<sub>2</sub>/TiO<sub>2</sub> performed better than V<sub>2</sub>O<sub>5</sub>-WO<sub>3</sub>/TiO<sub>2</sub> when KCl was deposited on the catalyst surface. Both poisoned catalysts were efficiently regenerated by SO<sub>2</sub> treatment. The characterization results show that the reducibility and acidity of the catalysts were weakened by KCl deposition but regenerated by SO<sub>2</sub>.
topic alkali-poisoning
kcl
nh<sub>3</sub>-scr
so<sub>2</sub> regeneration
url https://www.mdpi.com/2073-4344/10/2/207
work_keys_str_mv AT huanie thepoisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT weili thepoisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT qirongwu thepoisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT vladislavrac thepoisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT vesnarakic thepoisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT xuesendu thepoisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT huanie poisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT weili poisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT qirongwu poisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT vladislavrac poisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT vesnarakic poisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
AT xuesendu poisoningofvsub2subosub5subwosub3subtiosub2subandvsub2subosub5subcesosub4subsub2subtiosub2subscrcatalystsbykclandthepartialregenerationbysosub2sub
_version_ 1725047765788000256

Similar Items