Membrane Science and Technology

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Desulfurization Performance of zeolites filled Polyimide hybrid membranes

Authors： Li Linying

Units： Inner Mongolia Vocational College of Chemical Engineering, Hohhot 010070

KeyWords： gasoline desulfurization; adsorption; zeolites

ClassificationCode：TQ028

year,volume(issue):pagination： 2015, 35(4):35-39

Abstract：

The production of low sulfur or even sulfur free gasoline has been an inevitable worldwide trend.The Polyimide hybrid membranes filled Y zeolites have been prepared and their desulfurization performances have been investigated. IR spectroscopy showed that zeolites had been introduced into PI membranes. The Desulfurization performance has been improved after being filled with zeolites. Desulfurization performance showed the distribution difference and competitive adsorption between thiophene and n-heptane in zeolites. It is the reason for desulfurization of zeolites.The permeation flux increased with the increased of feed temperature, but the sulfur enrichment factor increased first and decreased then.

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AuthorIntro：

李林英(1975- )，女，山西省阳泉市平定县，硕士学位，实验师，2007年毕业于中国石油大学，专业化学工程，同年在内蒙古化工职业学院工作，主要从事化工专业教学和研究工作，主持院项目《关于化工实训基地设备更趋于市场需求的探索》一项，主要参与学院化工基地建设和煤化工教学工厂的建设，《开发大型现代煤化工教学工厂，创新高技能人才培养实践教学模式》获得2014年职业教育国家级教学成果一等奖；研究方向主要是化学工程和膜材料的研究开发。

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