Preparation and desulfurization performance of molecularly imprinted composite with dibenzothiophene as template

HUANG Zhen-yun; LU Xiang-hong; JI Jian-bing

Volume 48 Issue 1

Jan. 2020

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HUANG Zhen-yun, LU Xiang-hong, JI Jian-bing. Preparation and desulfurization performance of molecularly imprinted composite with dibenzothiophene as template[J]. Journal of Fuel Chemistry and Technology, 2020, 48(1): 36-43.

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HUANG Zhen-yun, LU Xiang-hong, JI Jian-bing. Preparation and desulfurization performance of molecularly imprinted composite with dibenzothiophene as template[J]. Journal of Fuel Chemistry and Technology, 2020, 48(1): 36-43.

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Preparation and desulfurization performance of molecularly imprinted composite with dibenzothiophene as template

College of Chemical Engineering, Zhejiang University of Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, Hangzhou 310014, China

Funds:

Nation High Technology Research and Development Program of China 2014AA022103

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Corresponding author: LU Xiang-hong, Tel: 0571-88320646, E-mail: luxh@zjut.edu.cn
Received Date: 2019-08-27
Rev Recd Date: 2019-12-09

Available Online: 2021-01-23

Publish Date: 2020-01-10

Abstract

Abstract

The polypropylene hollow fiber membrane was subjected to dopamine oxidation and silanization two-step surface modification treatment, and then the surface molecular molecularly imprinted polymerization was carried out using methacrylic acid as a functional monomer to prepare a hollow fiber membrane supported-dibenzothiophene molecularly imprinted composite membrane (MIP-PP membrane).The morphology of the imprinted composite membrane was characterized by infrared spectroscopy and scanning electron microscopy, and the desulfurization performance of MIP-PP membrane was measured. The results show that at 298 K, the adsorption of DBT by MIP-PP membrane reaches equilibrium at 180 min, and the maximum adsorption capacity is 133.32 mg/g. The adsorption of DBT by MIP-PP membrane conforms to the Lagergren quasi-first-order kinetic model and the Langmuir adsorption isotherm, which is a spontaneous exothermic process.
- surface molecularly imprinted technology,
- imprinted composite membrane,
- desulfuration,
- dibenzothiophen

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References(20)

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