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Enhanced NH3-SCR activity of Cu–SAPO-34 by regulating Si distribution via an interzeolite conversion strategy
Chemical Communications ( IF 4.3 ) Pub Date : 2024-12-10 , DOI: 10.1039/d4cc04979a
Yuxuan Xiao, Bohui Cai, Huifang Wu, Hui Wang, Jiachen Wang, Junyan Liu, Runyu Ma, Tianming Lv, Lei Miao, Jiaxu Liu, Chengyang Yin, Changgong Meng, Limin Ren

An interzeolite conversion (IZC) method was developed for the rapid synthesis of Cu–SAPO-34 from SAPO-37, achieving isolated Si distribution and optimized Cu states. The resulting Cu–SAPO-34 exhibited exceptional NH3-SCR performance, with over 90% NO conversion from 200–600 °C due to proper acidity and Cu status generated from the isolated Si.

中文翻译:


通过分子筛转化策略调节硅分布,增强 Cu-SAPO-34 的 NH3-SCR 活性



开发了一种分子筛转化 (IZC) 方法,用于从 SAPO-37 快速合成 Cu-SAPO-34,实现孤立的 Si 分布和优化的 Cu 状态。所得的 Cu-SAPO-34 表现出卓越的 NH3-SCR 性能,由于分离的硅产生适当的酸度和 Cu 状态,在 200–600 °C 范围内 NO 转化率超过 90%。
更新日期:2024-12-10
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