Preparation and anti-poisoning behavior of V-Sb-Nb/TiO<sub>2</sub> catalysts

DU Zhen; FU Yincheng; QIAN Xuyue; ZHU Yue

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Preparation and anti-poisoning behavior of V-Sb-Nb/TiO₂ catalysts

更新时间：2025-09-28

- Preparation and anti-poisoning behavior of V-Sb-Nb/TiO₂ catalysts
- Thermal Power Generation Vol. 43, Issue 7, Pages: 72-76(2014)
- 作者机构：
  
  1. 华电电力科学研究院
  2. 浙江大学能源清洁利用国家重点实验室
  3. 浙江环科环境咨询有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ426;X773
- Published：2014
- 稿件说明：
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DU Zhen, FU Yincheng, QIAN Xuyue, et al. Preparation and anti-poisoning behavior of V-Sb-Nb/TiO₂ catalysts[J]. Thermal power generation, 2014, 43(7): 72-76.
DOI：

DU Zhen, FU Yincheng, QIAN Xuyue, et al. Preparation and anti-poisoning behavior of V-Sb-Nb/TiO₂ catalysts[J]. Thermal power generation, 2014, 43(7): 72-76. DOI：

摘要

采用浸渍法制备了负载Sb、Nb的V-Sb-Nb/TiO2催化剂

研究了典型中毒物质对其脱硝活性的影响

并将其催化性能与V2O5/TiO2、V2O5-WO3/TiO2做了比较。结果表明

与V2O5/TiO2相比

V-Sb-Nb/TiO2具有良好的抗金属氧化物及氯化物中毒的能力

同时其抗氯化物中毒的性能优于V2O5-WO3/TiO2。另外

在V-Sb-Nb/TiO2催化剂的基础上添加少量的WO3可以进一步提高催化剂脱硝活性。试验表明

Sb和Nb氧化物替代V2O5-WO3/TiO2催化剂(VWTi催化剂)中的WO3在经济技术上可行。

Abstract

The effects of representative poisoning components on catalytic activity of V-Sb-Nb/TiO2 catalyst were investigated

and its performance was compared with that of V2O5/TiO2 and V2O5-WO3/TiO2 catalyst.The results show that the catalytic activity of V-Sb-Nb/TiO2 catalyst doped with metal oxides(such as K2O

Na2O

CaO

PbO)is still higher than that of the fresh V2O5/TiO2 catalyst.Besides

V-Sb-Nb/TiO2 catalyst doped with chlorides(such as KCl

NaCl

CaCl2)has a higher NO reduction efficiency than V2O5-WO3/TiO2 under the same condition.It can be concluded that the V-Sb-Nb/TiO2 catalyst has good antipoisoning ability from metal oxides and chlorides.In addition

in the denitration activity of the V-Sb-Nb/TiO2catalyst can be further enhanced by introducing WO3.In conclusion

the substitution of Sb

Nb for W in commercial commonly used V2O5-WO3/TiO2 catalyst is economically and technically feasible.

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Preparation and anti-poisoning behavior of V-Sb-Nb/TiO2 catalysts

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摘要

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Preparation and anti-poisoning behavior of V-Sb-Nb/TiO₂ catalysts