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一种净化炭黑烟气中NOx的低温抗硫型SCR催化剂及其制备方法

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5Claims · 1 independent
§ Ⅰ

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Applicant

苏州宝化炭黑有限公司

Original name record: 苏州宝化炭黑有限公司 · View all patentsPatent applicant records

Inventor

张星; 朱伟峰; 王军晓; 吴美红; 杨先慧

IPC Classification

B01J 23/28 (2006.01)B01D 53/86 (2006.01)B01D 53/56 (2006.01)B01J 37/26 (2006.01)B01J 37/34 (2006.01)B01J 37/02 (2006.01)B01J 37/24 (2006.01)B01J 37/22 (2006.01)B01J 27/25 (2006.01)B01J 27/053 (2006.01)B01J 27/135 (2006.01)

本发明属于催化材料制备技术领域，具体涉及一种净化炭黑烟气中NOx的低温抗硫型SCR催化剂及其制备方法。其包括阴离子修饰TiO载体及活性组分的负载的设计，攻克低温活性瓶颈，通过专用阴离子修饰，使催化剂能够在150～250℃低温区间保持高NOx转化效率，解决炭黑烟气净化中低温高效脱硝与高硫耐受性难以兼顾的关键技术，由此解决传统SCR催化剂普遍存在的抗水性、热稳定性、机械强度、稳定性差的问题。

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