纤维基离子液多酸催化剂的合成及其超深快速脱硫性能研究  

Synthesis and ultra-deep fast desulfurization performance of fiber based POM-ILs hybrid catalyst

作　　者：董兆琪 薛丽丽[1,2,3] 李壮壮 吴嘉琪 李斯文 王伟[1,2,3] DONG Zhaoqi;XUE Lili;LI Zhuangzhuang;WU Jiaqi;LI Siwen;WANG Wei(School of Water and Environment,Chang’an University,Xi’an 710054,China;Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education,Chang’an University,Xi’an 710054,China;Key Laboratory of Eco-Hydrology and Water Security in Arid and Semi-Arid Regions of Ministry of Water Resources,Chang’an University,Xi’an 710054,China)

机构地区：[1]长安大学水利与环境学院,陕西西安710054 [2]长安大学旱区地下水文与生态效应教育部重点实验室,陕西西安710054 [3]长安大学水利部旱区生态水文与水安全重点实验室,陕西西安710054

出　　处：《应用化工》2024年第9期2089-2094,共6页Applied Chemical Industry

基　　金：陕西基础科学研究院基础科学研究计划项目(23JHQ022);长安大学2023年研究生科研创新实践项目(300103723056)。

摘　　要：采用浸渍法将Keggin型P-Mo-W多金属氧酸盐(POM)与双离子液体结合在醋酸纤维素(CA)上,获得一种用于萃取氧化脱硫(EODS)的成型催化材料,采用响应面设计实验,探究温度、催化剂质量、氧硫比以及多酸负载量对脱硫的影响。研究表明,最佳脱硫反应条件为:模拟柴油25 mL,催化剂0.16 g,温度63℃,氧硫比4.8,多酸负载量1.08,反应2 h,可将模拟燃油中99.2%的DBT脱除。The Keggin-type P-Mo-W polyoxometalate(POM)with ionic liquids(ILs)have been facilely supported on cellulose acetate fiber(CA)through the impregnation method,obtaining a kind of molding catalytic material for the extractive oxidative desulfurization(EODS).The response surface design experiment was used to investigate the effects of temperature,catalyst mass,oxygen-sulfur ratio and polyacid loading on the desulfurization reaction.Research has shown that the optimal desulfurization reaction conditions were:simulated diesel oil 25 mL,catalyst 0.16 g,temperature 63℃,oxygen sulfur ratio 4.8,polyacid loading 1.08,99.2%of DBT in simulated fuel can be removed after 2 h of reaction.

关 键 词：多金属氧酸盐催化剂 成型纤维材料 超深快速萃取氧化脱硫 响应面法 

分 类 号：TQ09[化学工程]