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...
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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 |
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