Influence of calcination temperature on Mn-Cu/TiO<sub>2</sub> catalyst for low temperature selective catalytic reduction of NO with NH<sub>3</sub>

YANG Yonglong; HE Sheng; SU Qiufeng; ZHANG Yang; ZHU Yue

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Influence of calcination temperature on Mn-Cu/TiO₂ catalyst for low temperature selective catalytic reduction of NO with NH₃

更新时间：2025-09-28

- Influence of calcination temperature on Mn-Cu/TiO₂ catalyst for low temperature selective catalytic reduction of NO with NH₃
- Thermal Power Generation Vol. 44, Issue 4, Pages: 73-77(2015)
- 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
- 作者简介：
- 基金信息：
- DOI：
  CLC： X773;O643.36
- Published：2015
- 稿件说明：
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YANG Yonglong, HE Sheng, SU Qiufeng, et al. Influence of calcination temperature on Mn-Cu/TiO₂ catalyst for low temperature selective catalytic reduction of NO with NH₃[J]. Thermal power generation, 2015, 44(4): 73-77.
DOI：

YANG Yonglong, HE Sheng, SU Qiufeng, et al. Influence of calcination temperature on Mn-Cu/TiO₂ catalyst for low temperature selective catalytic reduction of NO with NH₃[J]. Thermal power generation, 2015, 44(4): 73-77. DOI：

摘要

Mn-Cu/TiO2具有较大的比表面积、活性组分与TiO2强烈的相互作用、良好的氧化还原能力以及较高的吸氨能力。故将溶胶凝胶法制备的Mn-Cu/TiO2催化剂

应用于NH3低温选择性催化还原(SCR)脱硝技术。为提高该催化剂的活性和抗SO2中毒能力

研究了溶胶凝胶法焙烧温度对Mn-Cu/TiO2催化剂催化性能的影响

并通过吸附N2能力测试(N2-BET)、X射线衍射试验(XRD)、H2和NH3的化学吸附特性测试(H2-TPR、NH3-TPD)等多种手段对催化剂的理化性能进行表征。研究发现

在400℃下焙烧制备的催化剂拥有最佳脱硝活性和抗SO2中毒能力。

Abstract

The Mn-Cu/TiO2 prepared by sol-gel method was studied for low temperature selective catalytic reduction(SCR)of NO with NH3.Effects of calcination temperature on catalytic activity of the Mn-Cu/TiO2 catalysts were investigated and discussed.Moreover

properties of the catalysts were characterized by several ways like the N2-BET test

XRD analysis

H2-TPR and NH3-TPD test methods.It was found that the catalyst acclimated at 400 ℃ had the best SCR activity and SO2 resistance performance.Large specific surface area

strong interaction between active components and TiO2

good redox ability and high NH3 adsorption capacity might be the major reasons for the excellent performance of this catalyst.

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Influence of calcination temperature on Mn-Cu/TiO2 catalyst for low temperature selective catalytic reduction of NO with NH3

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Influence of calcination temperature on Mn-Cu/TiO₂ catalyst for low temperature selective catalytic reduction of NO with NH₃