铁铈氧化物SCR脱硝催化剂的制备及性能

张光学; 周安琪; 范海燕; 王进卿; 池作和

铁铈氧化物SCR脱硝催化剂的制备及性能

1.
中国计量学院, 浙江杭州 310000;
2.
浙江省环境保护科学设计研究院, 浙江杭州 310000

基金项目: 浙江省创新团队项目(2013F20003)和国家质检总局科研计划项目(2013QK026)资助

详细信息

通讯作者:
张光学,E-mail:zhangguangxue@zju.edu.cn.

中图分类号: TQ426.82
计量
- 文章访问数: 358
- HTML全文浏览量: 14
- PDF下载量: 447
- 被引次数: 0
出版历程
- 收稿日期: 2015-03-13
- 修回日期: 2015-05-30
- 刊出日期: 2015-10-31

Preparation of Fe-Ce oxide SCR denitration catalyst and its performance study

1.
Colloge of Metrology & Measurement Engineering, China Jiliang University, Hangzhou 310000, China;
2.
Environmental Science Research & Design Institute of Zhejiang Province, Hangzhou 310000, China

Funds: The project was supported by the Innovation Team of Zhejiang Province (2013F20003) and the Scientific Research Projects of AQSIQ (2013QK026).

摘要

摘要: 采用浸渍法制备了CeO₂-Fe₂O₃/TiO₂催化剂,研究了CeO₂负载量对其选择催化还原NO性能的影响,并将其中效果最好的催化剂按照同样组分配比采用溶胶凝胶法制备进行比较。采用BET、XRD、SEM和XPS等手段对催化剂进行表征。实验结果表明,采用浸渍法制备的负载10%CeO₂、3%Fe₂O₃的催化剂脱硝效率最优,最高可达96.65%。采用溶胶凝胶法制备催化剂效率更优,最高为99.36%。结果表明,浸渍法和溶胶凝胶法制备的10%-3%CeO₂-Fe₂O₃/TiO₂催化剂均具有较大的比表面积、活性成分分散度好、储氧能力强等优点。
- 选择催化还原 /
- 浸渍法 /
- 溶胶凝胶法 /
- 铁铈氧化物 /
- 制备 /
- 活性
Abstract: A CeO₂-Fe₂O₃/TiO₂ catalyst was prepared by impregnation method. The effect of CeO₂ loading on the selective catalytic reduction of NO was studied. As a comparison, the catalyst in same optimum component proportion as above catalyst was also prepared by sol gel method. The BET, XRD, SEM and XPS were used for the catalyst characterization. The experimental results show that the catalyst of 10% CeO₂ and 3% Fe₂O₃ by impregnation method has an optimal performance up to the reduction efficiency of 96.65%. The catalyst by sol gel method has better denitration performance than that by impregnation method, reaching 99.36% of efficiency. The characterization results show that all the 10%-3%CeO₂-Fe₂O₃/TiO₂ catalysts made by impregnation method or by sol gel method have the advantages of larger specific surface area, better dispersity of active ingredient, and better oxygen storage capacity.
- SCR /
- impregnation method /
- sol gel method /
- Fe-Ce oxide /
- preparation /
- reacitivity

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参考文献(18)

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