Effect of Preparation Methods on Activation of Catalysts BaNi0.2Mn0.8Al11O19-δ for Dimethyl Ether Combustion

余倩; 余林; 王苑娜; 张绮旎; 孙明; 黄应敏; 卢业玉; 戈早川

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Effect of Preparation Methods on Activation of Catalysts BaNi_0.2Mn_0.8Al₁₁O_19-δ for Dimethyl Ether Combustion

Updated：2026-01-06

- Effect of Preparation Methods on Activation of Catalysts BaNi_0.2Mn_0.8Al₁₁O_19-δ for Dimethyl Ether Combustion
- Effect of Preparation Methods on Activation of Catalysts BaNi_0.2Mn_0.8Al₁₁O_19-δ for Dimethyl Ether Combustion
- 中国化学工程学报（英文版） 2008年16卷第3期页码：389-393
- Affiliations：
  
  1. Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology,Guangzhou,China,510006
  2. Shenzhen Specialized Functional Material Laboratory, Shenzhen University,Shenzhen,China,518060
- Author bio：
- Funds：
  
  Project of Science and Technology of Guangdong Province (2004B33401003,2005B10201053);the Natural Science Foundation of Guangdong Province (04205301,06021468);the Special Functional Material Foundation of Shenzhen University (0602)
- DOI：
  中图分类号：
- 纸质出版：2008
- Accepted：
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余倩, 余林, 王苑娜, 等. Effect of Preparation Methods on Activation of Catalysts BaNi_0.2Mn_0.8Al₁₁O_19-δ for Dimethyl Ether Combustion[J]. 中国化学工程学报（英文版）, 2008,16(3):389-393.

Mn
余倩, 余林, 王苑娜, 等. Effect of Preparation Methods on Activation of Catalysts BaNi_0.2Mn_0.8Al₁₁O_19-δ for Dimethyl Ether Combustion[J]. 中国化学工程学报（英文版）, 2008,16(3):389-393. DOI：

Mn DOI：

摘要

Abstract

Catalytic combustion of dimethyl ether(DME)over hexaaluminate catalyst BaNi

0.2

0.8

19-δ

has been investigated.The catalysts were prepared with the sol-gel method and reverse microemulsion method respectively and characterized by thermogravimetry-differential thermal analysis

X-ray diffraction and transimission electron microscope.It was found that the formation of Mn

Ni modified hexaaluminate was a relatively slow process via two solid state reactions and spinel structure was a transition phase.At the same calcined temperature and time

the catalyst prepared with the reverse microemulsion method could form the hexaaluminate phase more easily than that prepared with the sol-gel method.The catalyst BaNi

0.2

0.8

19-δ

prepared with the reverse micro-emulsion method appeared a plate-like morphology

while it appeared a needle-like morphology when using the sol-gel method.The catalytic activities of catalysts BaNi

0.2

0.8

19-δ

prepared with two different methods for DME combustion were tested.It showed that catalyst prepared with the reverse microemulsion method had better catalytic activity

i.e

10%

of DME had decreased by 45℃

about 90% conversion of diemthyl ether at 380℃.

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