CTAB包埋钒取代Keggin型多金属氧簇复合物催化氧化脱硫性能
王垚1** ,郗瑜1 ,吴家琛1 ,于霞1,2*
1.北华大学 材料科学与工程学院,吉林 吉林 132000;
2.白城医学高等专科学校 药学院, 吉林 白城137000
Catalytic Oxidative Desulfurization of CTAB-encapsulating Vanadium Substituted Keggin-type Polyoxometalate Complexes
WANG Yao1** ,XI Yu1 ,WU Jia Chen1 ,YU Xia1,2*
1. School of Material Science and Engineering, Beihua University, Jilin City 132000;
2. School of Pharmacy, Baicheng Medical College, Baicheng, Jilin City 137000
摘要
通过不同钒取代的Keggin型多金属氧酸盐[PMo12-xVxO40](3+x)-(X = 1,2,3,8)(简写为PMoV)与十六烷基三甲基溴化铵[(C16H33)N(CH3)3](CTAB)反应生成四种固体催化剂CTAB-PMo12-xVx,比较了四种复合物的催化氧化脱硫性能。实验结果表明催化剂CTAB-PMo11V1的脱硫效果最佳,在6小时内能将模拟油中500ppm的BT、DBT及其衍生物完全转化。对CTAB-PMo11V1进行了FT-IR、XRD和SEM等表征。另外,对影响催化剂氧化脱硫效率的各种因素、催化剂的稳定性及反应机理也进行了探讨。
关键词:
氧化脱硫
多金属氧酸盐
CTAB
空气
Abstract:
Vanadium substituted Keggin-type polyoxometalates [PMo12-xVxO40](3+x)-(X=1, 2, 3, 8) (abbreviated as PMoV) were encapsulated by simple surfactant CTAB forming the surfactant-encapsulated solid catalysts CTAB-PMo12-xVx, which exhibited high activity in oxidation desulfurization. The results showed that CTAB-PMo11V1 could make BT, DBT and its derivatives to be oxidized completely with the conversion of 100% within 6 h. CTAB-PMo11V1 was characterized by IR、XRD and SEM analysis. In addition, various factors affecting the oxidation desulfurization process, the stability of the catalyst and the reaction mechanism were discussed in the model oil.
Key words:
Oxidative desulfurization
Polyoxometalates
CTAB
Air
出版日期: 2023-05-25
发布日期: 2023-05-25
整期出版日期: 2023-05-25
引用本文:
王垚, 郗瑜, 吴家琛, 于霞, .
CTAB包埋钒取代Keggin型多金属氧簇复合物催化氧化脱硫性能
[J]. 吉林化工学院学报, 2023, 40(5): 91-96.
WANG Yao, XI Yu, WU Jia Chen, YU Xia, .
Catalytic Oxidative Desulfurization of CTAB-encapsulating Vanadium Substituted Keggin-type Polyoxometalate Complexes
. Journal of Jilin Institute of Chemical Technology, 2023, 40(5): 91-96.
链接本文:
https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2023.05.017
或
https://xuebao.jlict.edu.cn/CN/Y2023/V40/I5/91
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