High performance Pd Rh/YBaCo4O7/γ-Al2O3 three-way catalysts for gasoil engine

被引：3

作者：

Kouadio, Brou Albert ^{[1
]}

Mei, Fuming ^{[1
]}

Li, Tao ^{[1
]}

Pang, Lei ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Inst Phys Chem & Ind Catalysis, Wuhan, Hubei, Peoples R China

来源：

JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE | 2017年 / 11卷 / 06期

关键词：

Chemical synthesis; X-ray diffraction; Oxygen storage and catalytic activity; CEO2-ZRO2 MIXED OXIDES; OXYGEN STORAGE; SOLID-SOLUTION;

D O I：

10.1016/j.jtusci.2017.06.006

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The evaluation of catalytic activity for Rh Pd/YBa(Co1-xMx)(4)O-7/gamma-Al2O3 (M =Al, Ce, Zr, and La) showed that the efficiency of NO, reduction depends strongly on the nature of the OSMs. Among a series of oxygen storage materials, YBa(Co1-xMx)(4)O (M =Ce, Zr, La, Ga and In) studied for catalyst enhancement, only the catalyst with YBa(Co0.9Ce0.1)(4)O-7 has better conversion efficiency respectively (85% of NO, 96% of CO and 92% of HC). After treatment at 1000 degrees C for 3 h, these fresh catalysts showed a substantial decrease of their catalytic activities, only Rh Pd/YBa(Co0.9Ce0.1)(4)O-7/gamma-Al2O3 retains its high catalytic activity. (C) 2017 The Authors. Production and hosting by Elsevier B.V. on behalf of Taibah University. This is an open access article under the CC BY-NC-ND license

引用

页码：1306 / 1316

页数：11

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