Weak base favoring the synthesis of highly ordered V-MCM-41 with well-dispersed vanadium and the catalytic performances on selective oxidation of benzyl alcohol

Jing Zhao; Yifu Zhang; Lei Xu; Fuping Tian; Tao Hu; Changgong Meng

doi:10.1016/j.cjche.2020.02.027

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Weak base favoring the synthesis of highly ordered V-MCM-41 with well-dispersed vanadium and the catalytic performances on selective oxidation of benzyl alcohol

Materials and Product Engineering | Updated：2026-01-06

- Weak base favoring the synthesis of highly ordered V-MCM-41 with well-dispersed vanadium and the catalytic performances on selective oxidation of benzyl alcohol
- Weak base favoring the synthesis of highly ordered V-MCM-41 with well-dispersed vanadium and the catalytic performances on selective oxidation of benzyl alcohol
- 中国化学工程学报（英文版） 2020年28卷第5期页码：1424-1435
- Affiliations：
  
  School of Chemical Engineering, Dalian University of Technology,Dalian,China,116024
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.02.027
  中图分类号：
- 纸质出版：2020
- Accepted：
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Jing Zhao, Yifu Zhang, Lei Xu, 等. Weak base favoring the synthesis of highly ordered V-MCM-41 with well-dispersed vanadium and the catalytic performances on selective oxidation of benzyl alcohol[J]. 中国化学工程学报（英文版）, 2020,28(5):1424-1435.

Jing Zhao, Yifu Zhang, Lei Xu, Fuping Tian, Tao Hu, Changgong Meng. Weak base favoring the synthesis of highly ordered V-MCM-41 with well-dispersed vanadium and the catalytic performances on selective oxidation of benzyl alcohol[J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1424-1435.
Jing Zhao, Yifu Zhang, Lei Xu, 等. Weak base favoring the synthesis of highly ordered V-MCM-41 with well-dispersed vanadium and the catalytic performances on selective oxidation of benzyl alcohol[J]. 中国化学工程学报（英文版）, 2020,28(5):1424-1435. DOI： 10.1016/j.cjche.2020.02.027.

Jing Zhao, Yifu Zhang, Lei Xu, Fuping Tian, Tao Hu, Changgong Meng. Weak base favoring the synthesis of highly ordered V-MCM-41 with well-dispersed vanadium and the catalytic performances on selective oxidation of benzyl alcohol[J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1424-1435. DOI： 10.1016/j.cjche.2020.02.027.

摘要

Abstract

The key to improve the performance of heteroatom catalysts is to ensure the orderliness of catalysts and the good dispersion of heteroatoms. The alkalinity plays the indispensable role in synthetic process of V-MCM-41 catalyst. The excessive alkalinity of synthetic system will make the MCM-41 difficult to crystallize

even to dissolve. It is easy to accumulate for heteroatomic species in the system of low alkalinity. Herein

the highly ordered VMCM-41 with high vanadic content in framework is synthesized in the condition of excessive NH

·H

O in this paper. A series of characterization results prove the good dispersion of vanadium species

and most of vanadium gets into the framework of MCM-41 with the states of tetravalence and pentavalence. Furthermore

the modified MCM-41 by other transition metals is successful synthesized by the method of V-MCM-41 in this paper. The VMCM-41 shows well catalytic activity for the selective oxidation of benzyl alcohol

which up to 74.83% for the conversion of benzyl alcohol and 96.20% for selectivity of benzaldehyde when initial V/Si=0.10. The paper provides the possibility f

or industrial application of V-MCM-41 in the oxidation of benzyl alcohol for benzaldehyde. Besides

the work provides a significant idea for the synthesis of modified MCM-41 by well-dispersed transition metals.

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