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抗碱金属抗磷抗硫中毒SCR脱硝催化剂及其制备方法和应用
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8Claims · 3 independent
§ Ⅰ
Dossier Overview
Applicant
郑州市污水净化有限公司; 郑州中原万宇新能源科技有限公司
Inventor
赵琦; 余霖; 郑文韬; 郭家磊; 郭向阳; 王艺豪; 张向阳
Filing Date
Jul 14, 2026
Publication Date
Oct 16, 2026
IPC Classification
B01J 29/48 (2006.01)B01D 53/86 (2006.01)B01J 33/00 (2006.01)B01J 23/34 (2006.01)B01J 37/08 (2006.01)B01J 37/00 (2006.01)B01J 37/16 (2006.01)
本发明属于烟气脱硝催化剂技术领域,公开了一种抗碱金属抗磷抗硫中毒SCR脱硝催化剂及其制备方法和应用。该催化剂由内到外依次为载体层、活性层和防护层,所述载体层为负载SiO‑TiO涂层的堇青石蜂窝陶瓷;所述活性层为负载MnO‑CeO‑WO复合活性成分的TiO‑ZrO载体;所述防护层为掺杂CeO的AlO‑ZSM‑5涂层。本发明催化剂采用三层结构,实现“物理拦截+化学吸附+高效催化”协同,同时抵御碱金属、磷、硫复合中毒,催化剂寿命延长2倍。
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