Selective oxidation of methylamine over zirconia supported Pt-Ru, Pt and Ru catalysts

doi:10.1016/j.cjche.2014.10.023

Chinese Journal of Chemical Engineering ›› 2015, Vol. 23 ›› Issue (7): 1206-1213.DOI: 10.1016/j.cjche.2014.10.023

• 能源、资源与环境技术 • 上一篇下一篇

Selective oxidation of methylamine over zirconia supported Pt-Ru, Pt and Ru catalysts

Aiying Song^1,2, Gongxuan Lu¹

1 State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou 730000, China;
2 College of Public Security Technology, Gansu Institute of Political Science and Law, Lanzhou 730070, China

收稿日期:2014-05-05 修回日期:2014-10-22 出版日期:2015-07-28 发布日期:2015-08-21
通讯作者: Gongxuan Lu
基金资助:
Supported by the National Natural Science Foundation of China (21373245, 21173242), the State Key Development Program for Basic Research of China (2013CB632404), the National High Technology Research and Development Program of China (2012AA051501), and the Project Support of Gansu Provincial Science & Technology Department (1304FKCA085).

Selective oxidation of methylamine over zirconia supported Pt-Ru, Pt and Ru catalysts

Aiying Song^1,2, Gongxuan Lu¹

1 State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou 730000, China;
2 College of Public Security Technology, Gansu Institute of Political Science and Law, Lanzhou 730070, China

Received:2014-05-05 Revised:2014-10-22 Online:2015-07-28 Published:2015-08-21
Contact: Gongxuan Lu
Supported by:
Supported by the National Natural Science Foundation of China (21373245, 21173242), the State Key Development Program for Basic Research of China (2013CB632404), the National High Technology Research and Development Program of China (2012AA051501), and the Project Support of Gansu Provincial Science & Technology Department (1304FKCA085).

摘要/Abstract

摘要： Pt-Ru, Pt and Ru catalysts supported on zirconia were prepared by impregnation method and were tested in selective oxidation of methylamine (MA) in aqueous media. Among three catalysts, Ru/ZrO₂ wasmore active than Pt/ZrO₂ while Pt-Ru/ZrO₂ demonstrated the best catalytic activity due to the fact that Pt addition efficiently promoted the dispersion of active species in bimetallic catalyst. Therefore, the ~100% TOC conversion and N₂ selectivity were achieved over Pt-Ru/ZrO₂, Pt/ZrO₂ and Ru/ZrO₂ catalysts at 190, 220 and 250 ℃, respectively.

关键词: Platinum-Ruthenium, Dispersion, Hysteresis, Zirconia, Methylamine, Catalytic wet air oxidation

Abstract: Pt-Ru, Pt and Ru catalysts supported on zirconia were prepared by impregnation method and were tested in selective oxidation of methylamine (MA) in aqueous media. Among three catalysts, Ru/ZrO₂ wasmore active than Pt/ZrO₂ while Pt-Ru/ZrO₂ demonstrated the best catalytic activity due to the fact that Pt addition efficiently promoted the dispersion of active species in bimetallic catalyst. Therefore, the ~100% TOC conversion and N₂ selectivity were achieved over Pt-Ru/ZrO₂, Pt/ZrO₂ and Ru/ZrO₂ catalysts at 190, 220 and 250 ℃, respectively.

Key words: Platinum-Ruthenium, Dispersion, Hysteresis, Zirconia, Methylamine, Catalytic wet air oxidation

Aiying Song, Gongxuan Lu. Selective oxidation of methylamine over zirconia supported Pt-Ru, Pt and Ru catalysts[J]. Chinese Journal of Chemical Engineering, 2015, 23(7): 1206-1213.

Aiying Song, Gongxuan Lu. Selective oxidation of methylamine over zirconia supported Pt-Ru, Pt and Ru catalysts[J]. Chin.J.Chem.Eng., 2015, 23(7): 1206-1213.

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Selective oxidation of methylamine over zirconia supported Pt-Ru, Pt and Ru catalysts

Selective oxidation of methylamine over zirconia supported Pt-Ru, Pt and Ru catalysts

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