Catalytic kinetics of dimethyl ether one-step synthesis over CeO<sub>2</sub>-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process

Ruizhi Chu; Wenxin Hou; Xianliang Meng; Tingting Xu; Zhenyong Miao; Guoguang Wu; Lei Bai

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Catalytic kinetics of dimethyl ether one-step synthesis over CeO₂-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Catalytic kinetics of dimethyl ether one-step synthesis over CeO₂-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process
- Catalytic kinetics of dimethyl ether one-step synthesis over CeO₂-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process
- 中国化学工程学报（英文版） 2016年24卷第12期页码：1735-1741
- Affiliations：
  
  1. School of Chemical Engineering and Technology, China University of Mining & Technology,Xuzhou,China,221116
  2. High-Tech Research Institute of China University of Mining and Technology,Lianyungang,China,222000
  3. Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown,USA,26506
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2016
- Accepted：
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Ruizhi Chu, Wenxin Hou, Xianliang Meng, 等. Catalytic kinetics of dimethyl ether one-step synthesis over CeO₂-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process[J]. 中国化学工程学报（英文版）, 2016,24(12):1735-1741.

-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process[J]. , 2016, 24(12): 1735-1741.
Ruizhi Chu, Wenxin Hou, Xianliang Meng, 等. Catalytic kinetics of dimethyl ether one-step synthesis over CeO₂-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process[J]. 中国化学工程学报（英文版）, 2016,24(12):1735-1741. DOI：

-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process[J]. , 2016, 24(12): 1735-1741. DOI：

摘要

Abstract

CeO

-CaO-Pd/HZSM-5 catalyst was prepared for the dimethyl ether (DME) one-step synthesis in a continuous fixed-bed micro-reactor from the sulfur-containing syngas. The catalytic stability over hybrid catalyst of CeO

-CaO-Pd/HZSM-5 was investigated to ensure that the kinetics experimental results were not significantly influenced by induction period and catalytic deactivation. A large number of kinetic data points (40 sets) were obtained over a range of temperature (240-300℃)

pressure (3-4 MPa)

gas hourly space velocity (GHSV) (2000-3000 L·kg

-1

·h

-1

) and H

/CO mole ratio (2-3). Kinetic model for the methanol synthesis reaction and the dehydration of methanol were obtained separately according to reaction mechanism and Langmuir-Hinshelwood mechanism. Regression parameters were investigated by the method combining the simplex method and Runge-Kutta method. The model calculations were in appropriate accordance with the experimental data.

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Catalytic kinetics of dimethyl ether one-step synthesis over CeO2-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process

Catalytic kinetics of dimethyl ether one-step synthesis over CeO2-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process

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摘要

Abstract

关键词

Keywords

references

Catalytic kinetics of dimethyl ether one-step synthesis over CeO₂-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process

Catalytic kinetics of dimethyl ether one-step synthesis over CeO₂-CaO-Pd/HZSM-5 catalyst in sulfur-containing syngas process