|本期目录/Table of Contents|

[1]吴进军,朱 峰,余响林,等.氧化石墨炔的制备及光催化氧化脱硫研究[J].武汉工程大学学报,2022,44(04):384-389.[doi:10.19843/j.cnki.CN42-1779/TQ.202109009]
 WU Jinjun,ZHU Feng,YU Xiangling,et al.Preparation and Photocatalytic Oxidative Desulfurization of Graphdiyne Oxide[J].Journal of Wuhan Institute of Technology,2022,44(04):384-389.[doi:10.19843/j.cnki.CN42-1779/TQ.202109009]
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氧化石墨炔的制备及光催化氧化脱硫研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
44
期数:
2022年04期
页码:
384-389
栏目:
化学与化学工程
出版日期:
2022-08-31

文章信息/Info

Title:
Preparation and Photocatalytic Oxidative Desulfurization of Graphdiyne Oxide
文章编号:
1674 - 2869(2022)04 - 0384 - 06
作者:
吴进军1朱 峰2余响林2黎俊波*1
1. 武汉工程大学化学与环境工程学院,湖北 武汉 430205;
2. 武汉工程大学化工与制药学院,湖北 武汉 430205
Author(s):
WU Jinjun1 ZHU Feng2 YU Xiangling2 LI Junbo*1
1. School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430205,China;
2. School of Chemical Engineering and Pharmaceutical Engineering, Wuhan Institute of Technology,Wuhan 430205,China

关键词:
氧化石墨炔光催化氧化脱硫二苯并噻吩
Keywords:
graphdiyne oxide photocatalytic oxidation desulfurization dibenzothiophene
分类号:
O626
DOI:
10.19843/j.cnki.CN42-1779/TQ.202109009
文献标志码:
A
摘要:
为了提高石墨炔光催化脱硫的活性,利用浓硝酸的氧化作用将氧原子引入到石墨炔(GDY)中,形成活性位点丰富的氧化石墨炔(GDYO)。通过扫描电子显微镜、X-射线衍射、拉曼光谱、X-射线光电子能谱等表征手段对材料的结构和形貌进行了研究,所制备的GDYO骨架结构完整、材料表面具有丰富的缺陷,有利于电子的转移与活性点位的暴露,提高催化氧化性能。光催化氧化实验结果表明:在二苯并噻吩(DBT)质量浓度为1 645.15 mg/m3的模拟油、5 mg的催化剂(GDYO)、8 mL萃取剂(乙腈)和1 mL氧化剂(双氧水)的混合体系里,GDYO可以在2 h内对DBT质量浓度为1 645.15 mg/m3的模拟油取得99%以上的脱硫效率,表现出优异的光催化脱硫性能。
Abstract:
To improve the photocatalytic oxidative desulfurization activity of graphdiyne (GDY), graphdiyne oxide (GDYO) containing abundant active sites was successfully prepared with the oxidation of GDY by concentrated nitric acid. The structure and the morphology of the as-prepared material were studied by scanning electron microscopy, X-ray diffraction, Raman spectroscopy, and X-ray photoelectron spectroscopy, etc. The integrity of the framework and the abundant defects on the surface can facilitate the transfer of electrons and the exposure of active sites, thus, inducing the improvement of the catalytic oxidation performance. In the photocatalytic oxidation experiment, the mixed system can obtain a desulfurization efficiency more than 99% with dibenzothiophene dissolved in n-octane as model oil (1 645.15 mg/m3), GDYO as catalyst (5 mg), acetonitrile as extractant (8 mL), and hydrogen peroxide as oxidant (1 mL) within 2 h, showing excellent photocatalytic desulfurization performance.

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备注/Memo

备注/Memo:
收稿日期:2021-09-11
基金项目:材料复合新技术国家重点实验室(武汉理工大学)开放基金(2020-KF-17);武汉工程大学第十二届研究生创新基金(CX2020267)
作者简介:吴进军,硕士研究生。E-mail:1040563082@qq.com
*通讯作者:黎俊波,博士,教授。E-mail:jbliwit@163.com
引文格式:吴进军,朱峰,余响林,等. 氧化石墨炔的制备及光催化氧化脱硫研究[J]. 武汉工程大学学报,2022,44(4):384-389.

更新日期/Last Update: 2022-08-25