MIL-101固载磷钨酸催化氧气氧化脱硫性能

doi:10.11949/j.issn.0438-1157.20160577

化工学报 ›› 2016, Vol. 67 ›› Issue (S1): 283-288.DOI: 10.11949/j.issn.0438-1157.20160577

• 催化、动力学与反应器 • 上一篇下一篇

MIL-101固载磷钨酸催化氧气氧化脱硫性能

丁建伟¹, 王睿^1,1,2

1 山东大学环境科学与工程学院, 山东济南 250199;
2 俄罗斯科学院西蒙诺夫化学物理研究所, 莫斯科 119991

收稿日期:2016-05-03 修回日期:2016-05-11 出版日期:2016-08-31 发布日期:2016-08-31
通讯作者: 王睿,ree_wong@hotmail.com
基金资助:
国家自然科学基金项目（21076116，21511130021）；中石油科技创新基金项目（2010D-5006-0405）。

Catalytic performance of phosphotungstic acid encapsulated into MIL-101 for oxidative desulfurization with oxygen

DING Jianwei¹, YU Meiqing^1,1,2

1 School of Environmental Science and Engineering, Shandong University, Jinan 250199, Shandong, China;
2 Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russian Federation

Received:2016-05-03 Revised:2016-05-11 Online:2016-08-31 Published:2016-08-31
Supported by:
supported by the National Natural Science Foundation of China (21076116, 21511130021) and the PetroChina Innovation Foundation (2010D-5006-0405).

摘要/Abstract

摘要：

采用一步包覆法成功地将磷钨酸（HPW）固载到多金属有机骨架MIL-101中，将其作为催化剂，氧气（O₂）作为氧化剂，用于催化氧化模拟油品的脱硫实验。系统地研究了氧气流速、反应温度、硫含量对脱硫效率的影响，筛选出最佳反应条件，同时考察了空气作为氧化剂用于油品脱硫的可行性。结果表明，当初始硫含量为350 μg·g^-1，氧气流速为90 ml·min^-1，反应温度为75℃，催化剂用量占模拟油品质量的1%，反应时间60 min，二苯并噻吩（DBT）的转化率可达74%。此外，通过重复利用实验证明催化剂有良好的再生活性。

关键词: 氧化脱硫, 催化, 磷钨酸, 金属有机骨架, 氧气, 再生

Abstract:

A heterogeneous catalyst, chromium terephthalate metal organic framework (MIL-101) encapsulated phosphotungstic acid (HPW), HPW@MIL-101,was prepared by one step method. And then it was used as catalyst in oxidative desulfurization system in which O₂ acted as oxidant for the removal of dibenzothiophene (DBT). The effects of oxygen flow rate, sulfur content and reaction temperature on the desulfurization were studied. The results show that the DBT conversion is up to 74% for 60 min under the optimal reaction condition (sulfur content:350 μg·g^-1, oxygen flow rate:90 ml·min^-1, the amount of catalyst:1% the mass of normal octane; reaction temperature:75℃). The DBT conversion doesn't decrease obviously, after reused for three times with this catalyst. And it is possible to use air as green oxidant in desulfurization.

Key words: oxidative desulfurization, catalysis, phosphotungstic acid, metal organic framework, oxygen, regeneration

中图分类号:

O642.5⁺43

丁建伟, 王睿. MIL-101固载磷钨酸催化氧气氧化脱硫性能[J]. 化工学报, 2016, 67(S1): 283-288.

DING Jianwei, YU Meiqing. Catalytic performance of phosphotungstic acid encapsulated into MIL-101 for oxidative desulfurization with oxygen[J]. CIESC Journal, 2016, 67(S1): 283-288.

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MIL-101固载磷钨酸催化氧气氧化脱硫性能

Catalytic performance of phosphotungstic acid encapsulated into MIL-101 for oxidative desulfurization with oxygen

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