Performance of V2O5-WO3-MoO3/TiO2 Catalyst for Selective Catalytic Reduction of NOx by NH3

高岩; 栾涛; 吕涛; 程凯; 徐宏明

doi:10.1016/S1004-9541(13)60434-6

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Performance of V₂O₅-WO₃-MoO₃/TiO₂ Catalyst for Selective Catalytic Reduction of NO_x by NH₃

催化、动力学与反应工程 | Updated：2026-01-06

- Performance of V₂O₅-WO₃-MoO₃/TiO₂ Catalyst for Selective Catalytic Reduction of NO_x by NH₃
- Performance of V₂O₅-WO₃-MoO₃/TiO₂ Catalyst for Selective Catalytic Reduction of NO_x by NH₃
- 中国化学工程学报（英文版） 2013年21卷第1期页码：1-71004-954160434-6
- Affiliations：
  
  2 School of Mechanical Engineering, The University of Birmingham,Birmingham,UK,B15 2TT
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60434-6
  中图分类号：
- 纸质出版：2013
- Accepted：
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高岩, 栾涛, 吕涛, 等. Performance of V₂O₅-WO₃-MoO₃/TiO₂ Catalyst for Selective Catalytic Reduction of NO_x by NH₃[J]. 中国化学工程学报（英文版）, 2013,21(1):1-71004-954160434-6. DOI: 10.1016/S1004-9541(13)60434-6.

O
高岩, 栾涛, 吕涛, 等. Performance of V₂O₅-WO₃-MoO₃/TiO₂ Catalyst for Selective Catalytic Reduction of NO_x by NH₃[J]. 中国化学工程学报（英文版）, 2013,21(1):1-71004-954160434-6. DOI: 10.1016/S1004-9541(13)60434-6. DOI：

O DOI： 10.1016/S1004-9541(13)60434-6.

摘要

Abstract

The V

-WO

-MoO

/TiO

honeycomb catalyst was prepared with industrial grade chemicals. The structural and physico-chemical properties were analyzed with X-ray diffraction (XRD)

scanning electron micrograph (SEM) and mercury porosimetry. The NO

conversion and durability were investigated on a pilot plant test set under the actual operational conditions of a coal fired boiler. The catalyst monolith had good formability with mass percentage of V:W:Mo:TiO

:fiber glass 1: 4.5:4.5:72:18. Vanadium

tungsten and molybdenum species were highly dispersed on anatase TiO

without causing the transformation of anatase TiO

to rutile by calcining under a current of air at 450 °C for 4.5 h

but there were some degrees of crystal distortion. The catalyst particle sizes were almost uniform with close pile-up and the pore structure was regular with complete macro-pore formation and large specific surface area. The NO

conversion was sensitive to temperature but nearly insensitive to NH

. The catalyst showed strong adaptability to NO

concentration with

activity above 80% in the range of 615-1640 mg·m

-3

. Within the range of 720-8640 h continuous operation

the NO

conversion dropped at a rate of about 1% reduction per 600 h.

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