Cooperative intergrowth effect in LaMnO3, La2CuO4 and CuO three-phase system with broad active window for highly efficient NOx reduction

被引:8
作者
Wu, Yaohui [1 ,2 ]
Liu, Xia [1 ]
Wei, Longqing [1 ]
Liu, Hao [1 ]
Ou, Xuemei [1 ]
Dong, Lihui [1 ]
Fan, Minguang [1 ]
Li, Bin [1 ]
机构
[1] Guangxi Univ, Guangxi Key Lab Petrochem Resource Proc & Proc In, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
[2] South China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
基金
中国国家自然科学基金;
关键词
Three-phase intergrowth system; NO reduction; In situ DRIFTS; Wide active window; PEROVSKITE OXIDE CATALYSTS; PHYSICOCHEMICAL PROPERTIES; CO OXIDATION; TEMPERATURE; MN; DECOMPOSITION; TOPOCHEMISTRY; PERFORMANCE; CUO/CEO2; IRON;
D O I
10.1016/j.fuel.2020.118266
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The phase composition is tuned to analyze the influence of intergrowth and coexistence in LaMnO3, La2CuO4 and CuO three-phase system in NOx reduction. Among them, different phases of catalyst with LaMnO3 and La2CuO4 two-phase system play a role in the catalytic reaction at different temperatures, thereby maintaining excellent catalytic performance with broad active window from 275 to 1000 degrees C. In addition, this two-phase system is the catalytic system to perform well in all of the following aspects, with decent practicability, superior long-term catalytic ability, excellent cyclic catalytic ability, reliable water and sulfur resistance, low toxicity, low cost, high reserves, and strong stability in high temperature range. This catalytic system has great value in practical applications.
引用
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页数:11
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