铜基LDHs衍生物SCR脱硝催化剂的研究进展

张巍, 张凯凯, 宋权斌, 尹艳山, 成珊, 宣艳妮, 阮敏, 刘涛, 周昭仪, 姚志豪, 李丹聪

中国环境科学 ›› 2025, Vol. 45 ›› Issue (10) : 5435-5447.

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中国环境科学 ›› 2025, Vol. 45 ›› Issue (10) : 5435-5447.
大气污染与控制

铜基LDHs衍生物SCR脱硝催化剂的研究进展

  • 张巍1,2, 张凯凯1,2, 宋权斌1,2, 尹艳山1,2, 成珊1,2, 宣艳妮1,2, 阮敏1,2, 刘涛1,2, 周昭仪1,2, 姚志豪1,2, 李丹聪1,2
作者信息 +

Research progress of SCR denitrification catalysts for copper-based LDHs derivatives

  • ZHANG Wei1,2, ZHANG Kai-kai1,2, SONG Quan-bin1,2, YIN Yan-shan1,2, CHENG Shan1,2, XUAN Yan-ni1,2, RUAN Min1,2, LIU Tao1,2, ZHOU Zhao-yi1,2, YAO Zhi-hao1,2, LI Dan-cong1,2
Author information +
文章历史 +

摘要

铜基层状双氢氧化物(Cu-LDHs)是一种由正电荷层板和层间负电荷阴离子构成的层状化合物,以其卓越的离子交换性、可调节的层间结构、独特的记忆效应、优异的催化活性和良好的热稳定性,在脱硝领域展现出巨大的应用潜力.因此,本文综述了Cu-LDHs衍生物催化剂在脱硝技术中的应用进展,从金属掺杂、载体负载和阴离子调控等多个角度,对Cu-LDHs衍生物SCR催化剂的类型进行了系统分类.探讨了Cu-LDHs衍生物在SCR系统中NH3、CO和C3H6作为还原剂的反应机制.此外,详细阐述了Cu-LDHs衍生物催化剂在抗硫性能、抗水热老化性能和抗碱金属中毒性能方面的强化策略,旨在通过综合手段增强催化剂的稳定性和耐用性.最后,对Cu-LDHs衍生物的未来研究方向进行了前瞻性展望.

Abstract

Copper-based layered double hydroxides (Cu-LDHs) are layered compounds composed of positively charged lamels and interlayer negative anions. With their excellent ion exchange properties, adjustable interlayer structure, unique memory effect, excellent catalytic activity and good thermal stability, they show great application potential in the field of denitrification. In this paper, the application progress of Cu-LDHs derivative catalysts in denitrification technology was reviewed. The types of SCR catalysts for Cu-LDHs derivatives were systematically classified from the perspectives of metal doping, carrier loading and anion regulation. The reaction mechanism of NH3, CO and C3H6 as reducing agents in SCR system of Cu-LDHs derivatives was investigated. In addition, the strengthening strategy of the Cu-LDHs derivative catalyst in the aspects of sulfur resistance, hydrothermal aging resistance and alkali metal poisoning resistance was described in detail, aiming to enhance the stability and durability of the catalyst by comprehensive means. Finally, the future research direction of Cu-LDHs derivatives is prospectively prospected.

关键词

层状双氢氧化物(LDHs) / 选择性催化还原(SCR) / 铜基 / 反应机理 / 抗硫性

Key words

layered double hydroxides (LDHs) / selective catalytic reduction (SCR) / copper based / reaction mechanism / sulfur resistance

引用本文

导出引用
张巍, 张凯凯, 宋权斌, 尹艳山, 成珊, 宣艳妮, 阮敏, 刘涛, 周昭仪, 姚志豪, 李丹聪. 铜基LDHs衍生物SCR脱硝催化剂的研究进展[J]. 中国环境科学. 2025, 45(10): 5435-5447
ZHANG Wei, ZHANG Kai-kai, SONG Quan-bin, YIN Yan-shan, CHENG Shan, XUAN Yan-ni, RUAN Min, LIU Tao, ZHOU Zhao-yi, YAO Zhi-hao, LI Dan-cong. Research progress of SCR denitrification catalysts for copper-based LDHs derivatives[J]. China Environmental Science. 2025, 45(10): 5435-5447
中图分类号: X511   

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基金

国家自然科学基金资助项目(52006016);湖南省自然科学基金资助项目(2023JJ30047,2021JJ40573,2020JJ4098,2025JJ60890;湖南省教育厅科学研究重点项目(21A0216);湖南省教育厅优秀青年项目(202B041,22B0291);长沙市自然科学基金资助项目(kq2014104);长沙理工大学青年教师成长计划项目(2019QJCZ044)

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