Surface deposition-type honeycomb catalyst for flue gas denitrification and preparation method thereof

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专利名称 Surface deposition-type honeycomb catalyst for flue gas denitrification and preparation method thereof 申请号 US201114123643 专利类型 US 公开(公告)号 US9446385(B2) 公开(授权)日 2016.09.20 申请(专利权)人 中国科学院过程工程研究所 发明(设计)人 Yu Jian;Guo Feng;Yang Juan;Wang Yin;Dong Li;Gao Shiqiu;Xu Guangwen 主分类号 B01J23/22 IPC主分类号 B01J23/22;B01J37/00;B01J37/04;B01J37/08;B01J37/14;B01J21/16;B01J23/30;B01J35/04;B01J35/02;B01J37/02;B01D53/86 专利有效期 Surface deposition-type honeycomb catalyst for flue gas denitrification and preparation method thereof 至Surface deposition-type honeycomb catalyst for flue gas denitrification and preparation method thereof 法律状态 说明书摘要 This invention relates to the cleaning of flue gas released from various combustion processes, particularly a surface deposition NH3—SCR honeycomb catalyst and its preparation method. The catalyst is composed of framework material, TiO2, V2O5 and WO3, wherein the framework material is composed of clay, coal ash, mineral waste residue or their mixture. The mass fractions for framework material, TiO2, V2O5, and WO3 are 60 wt. % to 80 wt. %, 13 wt. % to 33 wt. %, 1 wt. % to 5 wt. %, and 0.1 wt. % to 2 wt. %, respectively. The nano V2O5—WO3—TiO2 particles were deposited on the surface of particle pore or honeycomb, and the performance of the catalyst could be greatly improved.

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