화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.30, 98-105, October, 2015
DOI10.1016/j.jiec.2015.05.008  Export Citation
Promotional effects of Ce4+, La3+ and Nd3+ incorporations on catalytic performance of Cu.Fe.Ox for decomposition of N2O
Zhiwei Xue, Yuesong Shen, Shubao Shen1, Chengliang Li, and Shemin Zhu†
  • College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China
  • 1Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 210009, China
E-mail:
Promotional effects of Ce4+, La3+ and Nd3+ incorporations on FeCu2O3.5/ATS for decomposing N2O were investigated. Results showed that all the ions especially La3+ can dramatically improve the catalytic performance. FeCu2La1.5Ox/ATS, the optimal catalyst, can decompose 100% N2O at 550 8C. The formed perovskite-type LaFeO3 and spinel-type CuLa2O4 largely improved catalytic performance. The ion modification increased N2O adsorption capacity, and La3+-doped catalyst enhanced desorption ability of surface oxygen. Both effects can accelerate the rate-determine steps of N2O decomposition reaction, promote catalytic performance. Moreover, the supported catalysts studied were economic efficiency for application.
Keywords:Catalytic decomposition of N2O;Cu-Fe-Ox complex oxide;Catalytic performance;Incorporations of Ce4+;La3+ and Nd3+
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