燃料与化工 ›› 2019, Vol. 50 ›› Issue (4): 4-8.

• 综述与专论 • 上一篇    下一篇

低温MnOx/AC催化剂的制备及性能研究

史效臣  田昕  杨旭  陈红萍   

  1. 华北理工大学化学工程学院, 唐山063210
  • 出版日期:2019-07-23

Preparation for low-temperature MnOx/AC denitrification catalyst and its properties

Shi Xiaochen  Tian Xin  Yang Xu  Chen Hongping   

  1. College of Chemical Engineering,North China University of Science & Technology,Tangshan 063210,China
  • Online:2019-07-23

摘要:

采用浸渍法制备MnOx/AC催化剂,考察了不同的锰前驱体、催化剂焙烧温度、锰氧化物负载量等对催化剂脱硝活性的影响,并通过H2-TPR对催化剂进行了表征。结果表明,以KMnO4为锰前驱体,锰氧化物负载量为20%,400  ℃焙烧温度制得的催化剂具有最佳吸附脱硝性能。在180  ℃时,最大脱硝率在99%以上,通气120 min后脱硝率仍在80%以上。

Abstract:

The MnOx/AC catalyst was prepared by the equal volume impregnation method.The effects of manganese precursor,catalyst calcination temperature and loading on denitrification activity were investigated.The catalyst was characterized by H2-TPR.The results show that the catalyst with KMnO4 as the precursor of manganese,with the loading Mn by 20%(wt.%) and calcination at 400  ℃ has the best adsorption and denitrification performance.At 180  ℃,the maximum denitrification rate is above 99%,and still above 80% after 120 minutes of reaction.

中图分类号: