固载型杂化微球模拟催化氧化脱硫性能

doi:10.16085/j.issn.1000-6613.2015.04.021

化工进展 ›› 2015, Vol. 34 ›› Issue (04): 1023-1028.DOI: 10.16085/j.issn.1000-6613.2015.04.021

固载型杂化微球模拟催化氧化脱硫性能

宋少飞¹, 周福林¹, 弓巧娟¹, 沈淑坤²

1. 运城学院应用化学系, 山西运城 044000;
2. 陕西师范大学材料科学与工程学院, 陕西西安 710062

收稿日期:2014-09-05 修回日期:2014-11-04 出版日期:2015-04-05 发布日期:2015-04-05
通讯作者: 宋少飞(1979—),男,博士,讲师,主要从事功能材料制备及应用研究.E-mail songshaofei@ycu.edu.cn.
作者简介:宋少飞(1979—),男,博士,讲师,主要从事功能材料制备及应用研究.E-mail songshaofei@ycu.edu.cn.
基金资助:
国家自然科学基金委主任专项基金(21343014)、国家自然科学基金委青年科学基金(21103103)及运城学院院级项目(CY-2012020,YQ-2014018).

Simulation research of surface-supported hybrid microsphere for catalytic oxidation desulfurization

SONG Shaofei¹, ZHOU Fulin¹, GONG Qiaojuan¹, SHEN Shukun²

1. Department of Applied Chemistry, Yuncheng College, Yuncheng 044000, Shanxi, China;
2. School of Material Science and Engineering, Shaanxi Normal University, Xi'an 710062, Shaanxi, China

Received:2014-09-05 Revised:2014-11-04 Online:2015-04-05 Published:2015-04-05

摘要/Abstract

摘要： 以N-异丙基丙烯酰胺(PNIPAM)高聚物微凝胶为载体,利用外源沉积法制备表面担载有过氧磷钨杂多酸季胺盐(PW-HPW)的杂化微球(PW-HPW/PNIPAM).该杂化微球具有明显的核-壳结构,内部为PNIPAM水凝胶,表面均匀覆盖具有催化活性的过氧磷钨酸季胺盐.以过氧化氢为氧化剂,主要以二苯并噻吩(DBT)为模拟硫化物,研究了该杂化微球在催化氧化脱硫方面的催化性能.结果表明,杂化微球具有较高的催化活性,最佳条件下,40℃下反应8h,DBT转化率达到了90.32%.与过氧磷钨杂多酸季胺盐相比,担载后的杂化微球便于从体系中分离,经简单处理后可再次循环使用达3次以上.

关键词: 载体, 杂化微球, 催化剂, 氧化, 脱硫, 环境

Abstract: The core-shell hybrid microsphere (PW-HPW/PNIPAM),loaded with hexadecyltrimethylammonium-peroxotungstophosphate (PW-HPW) complexes,were synthesized with N-isopropyl acrylamide (PNIPAM) polymer hydrogels as support. The PW-HPW/PNIPAM composite microspheres contained PNIPAM core and PW-HPW shell with catalytic performance. The composite microspheres were used in oxidation of dibenzothiophene (DBT) with hydrogen peroxide. The microspheres showed high catalytic performance and conversion rate of DBT was more than 90.32% after 8h at 40℃. The hybrid microspheres could be easily recycled and reused for at least three times.

Key words: support, hybrid microsphere, catalyst, oxidation, desulfurization, environment

中图分类号:

O631.5

宋少飞, 周福林, 弓巧娟, 沈淑坤. 固载型杂化微球模拟催化氧化脱硫性能[J]. 化工进展, 2015, 34(04): 1023-1028.

SONG Shaofei, ZHOU Fulin, GONG Qiaojuan, SHEN Shukun. Simulation research of surface-supported hybrid microsphere for catalytic oxidation desulfurization[J]. Chemical Industry and Engineering Progree, 2015, 34(04): 1023-1028.

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固载型杂化微球模拟催化氧化脱硫性能

Simulation research of surface-supported hybrid microsphere for catalytic oxidation desulfurization

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