Silica-gel Supported V Complexes：Preparation, Characterization and Catalytic Oxidative Desulfurization

黎俊波; 刘习文; 曹灿灿; 郭嘉; 潘志权

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Silica-gel Supported V Complexes：Preparation, Characterization and Catalytic Oxidative Desulfurization

催化、动力学与反应工程 | Updated：2026-01-06

- Silica-gel Supported V Complexes：Preparation, Characterization and Catalytic Oxidative Desulfurization
- Chinese Journal of Chemical Engineering Vol. 21, Issue 8, Pages: 860-8661004-954160558-3(2013)
- Affiliations：
  
  2 Zhejiang Engineering Design Co., Ltd., Juhua Group Corporation,Hangzhou,China,310002
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2013
- Accepted：
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LI Junbo, LIU Xiwen, CAO Cancan, GUO Jia, PAN Zhiquan. Silica-gel Supported V Complexes：Preparation, Characterization and Catalytic Oxidative Desulfurization[J]. Chin.J.Chem.Eng., 2013, 21(8): 860-866.
DOI：

LI Junbo, LIU Xiwen, CAO Cancan, GUO Jia, PAN Zhiquan. Silica-gel Supported V Complexes：Preparation, Characterization and Catalytic Oxidative Desulfurization[J]. Chin.J.Chem.Eng., 2013, 21(8): 860-866. DOI：

摘要

Abstract

In this manuscript

a series of catalyst SG

-[V

-PAMAM-MSA

]

(SG silica gel

PAMAM polyamidoamine

MSA 5-methyl salicylaldehyde

n 0

3) was prepared and their structures were fully characterized by Fourier transform-infrared spectroscopy (FT-IR)

thermogravimetric analysis (TGA)

X-ray photoelectron spectroscopy (XPS) and inductive coupled plasma emission spectrometer (ICP) etc. XPS revealed that the metal V and SG

-PAMAM-MSA combined more closely after the formation of Schiff base derivatives. Their catalytic activities for oxidation of dibenzothiophene were evaluated using tert-butyl hydroperoxide as oxidant. The results showed that the catalyst SG

2.0

-[V

-PAMAM-MSA

]

presented good catalytic activity and recycling time. Meanwhile

the optimal condition for the catalytic oxidation of SG

2.0

-[V

-PAMAM-MSA

]

was also investigated

which showed that when the oxidation temperature was 90℃

time was 60 min

the O/S was 3:1

and the mass content of catalyst was 1%

the rate of desulfurization could reach 85.2%. Moreover

the catalyst can be recycled several times without significant decline in catalytic activity.

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