Mild and Highly Selective Preparation of Alkylate Gasoline Promoted by Using Polyetheramine-Based Acidic Ionic Liquid

Gao Xu; Yu Fengli; Wang Zhiping; Xie Congxia

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Mild and Highly Selective Preparation of Alkylate Gasoline Promoted by Using Polyetheramine-Based Acidic Ionic Liquid

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A polyetheramine(PEA)-based Br?nsted-acidic ionic liquid(IL)was firstly prepared and used to promote the alkylation of isobutane with isobutene catalyzed by trifluoromethanesulfonic acid(TfOH).PEA-IL not only can resolve the persistent problem of poor solubility of the volatile and refractory reactants,but also can satisfactorily exhibit the separation of the catalyst from product oil for reuse.The PEA-IL/TfOH catalytic system with an adjustable acidity ensures a high alkylate selectivity.Under the conditions covering a VIL/VTfOH ratio of 10:3,a temperature of 25°C,and a reaction time of 25 min,the C8-product selectivity reaches 86.63%.The PEA-IL/TfOH catalyst can be reused 13 times without a decrease in the catalytic performance.After many operating cycles,the hydrophobic PEA-IL can be easily regenerated by simply adding water.This study provides a green,economic,and highly efficient method for producing high-octane alkylate gasoline.

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来源
《中国炼油与石油化工：英文版》 |2020年第2期|64-70|共7页
作者
Gao Xu; Yu Fengli; Wang Zhiping; Xie Congxia;
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作者单位

State Key Laboratory Base of Eco-chemical Engineering;

College of Chemistry and Molecular Engineering;

Qingdao University of Science and Technology;

Qingdao;

266042;

College of Chemical Engineering;

Qingdao University of Science and Technology;

Qingdao;

266042;

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原文格式 PDF
正文语种 chi
中图分类物理化学（理论化学）、化学物理学;
关键词
alkylation; alkylate gasoline; trifluoromethanesulfonic acid; polyetheramine-based ionic liquid; isobutene;

Mild and Highly Selective Preparation of Alkylate Gasoline Promoted by Using Polyetheramine-Based Acidic Ionic Liquid

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