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氨基酸功能化磷钨酸盐的制备及其催化氧化脱硫性能

李佳慧,  胡嘉,  赵荣祥,  李秀萍

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文章导航 > 燃料化学学报（中英文）  > 2014 >  42(11): 1394-1399
李佳慧, 胡嘉, 赵荣祥, 李秀萍. 氨基酸功能化磷钨酸盐的制备及其催化氧化脱硫性能[J]. 燃料化学学报（中英文）, 2014, 42(11): 1394-1399.
引用本文: 李佳慧, 胡嘉, 赵荣祥, 李秀萍. 氨基酸功能化磷钨酸盐的制备及其催化氧化脱硫性能[J]. 燃料化学学报（中英文）, 2014, 42(11): 1394-1399.
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LI Jia-hui, HU Jia, ZHAO Rong-xiang, LI Xiu-ping. Prepartion of amino acid functionalized heteropolyacid salt and its catalytic performance for oxidation desulfurization of model oil[J]. Journal of Fuel Chemistry and Technology, 2014, 42(11): 1394-1399.
Citation: LI Jia-hui, HU Jia, ZHAO Rong-xiang, LI Xiu-ping. Prepartion of amino acid functionalized heteropolyacid salt and its catalytic performance for oxidation desulfurization of model oil[J]. Journal of Fuel Chemistry and Technology, 2014, 42(11): 1394-1399.
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氨基酸功能化磷钨酸盐的制备及其催化氧化脱硫性能

  • 1.

    辽宁石油化工大学 化学化工与环境学部石油化工学院, 辽宁 抚顺 113001;

  • 2.

    辽宁石油化工大学 化学化工与环境学部化学与材料科学学院, 辽宁 抚顺 113001

详细信息
    通讯作者:

    赵荣祥, 男, 辽宁锦州人, 副教授, 博士, 主要从事石油加工方面研究 Tel: 13470542149, E-mail: zylhzrx@126.com

  • 中图分类号: TE624

Prepartion of amino acid functionalized heteropolyacid salt and its catalytic performance for oxidation desulfurization of model oil

  • 1.

    College of Petrochemical Engineering, Liaoning University of Petroleum & Chemical Technology, Fushun 113001, China;

  • 2.

    College of Chemistry & Material Science Engineering, Liaoning University of Petroleum & Chemical Technology, Fushun 113001, China

    摘要
  • 摘要: 以L-丙氨酸和磷钨酸为原料,合成氨基酸功能化磷钨杂多酸盐([Ala]3PW),并采用XRD、FT-IR对其结构进行表征.以[Ala]3PW为催化剂,过氧化氢作为氧化剂,甲基咪唑四氟硼酸盐([HMIM]BF4)为萃取剂氧化萃取一体法脱除模拟油中的二苯并噻吩(DBT).考察了反应温度、催化剂加入量、O/S物质的量比、萃取剂加入量、硫化物类型等因素对脱硫效率的影响.结果表明,在模拟油为10 mL、[Ala]3PW=0.04 g、O和S的物质的量比为6、V([HMIM]BF4)/V(oil)=0.6、反应温度50 ℃、反应时间180 min的条件下,DBT的转化率可达到98.2%.催化剂循环使用4次活性没有明显的降低.
    Abstract: A new amino-acid functionalized heteropoly tungstate ([Ala]3PW) was prepared with alanine and phosphotungstic acid as raw materials. The structure of [Ala]3PW was characterized by XRD, FT-IR. The removal of dibenzothiophene (DBT) in model oil was studied by using [Ala]3PW as catalysts, hydrogen peroxide as oxidant and imidazolium tetrafluoroborate ([HMIM]BF4) as the extractant. The influence of reaction temperature, the amount of catalysts, the molar ratio of O/S(H2O2/DBT), the amount of extractant and types of thiophene on the desulfurization efficiency were investigated. The results indicated that under the optimal reaction conditions of 10 mL model oil, 0.04 g of [Ala]3PW, O/S(mol ratio) =6, V([HMIM]BF4)/V(oil)=0.6, reaction temperature of 50 ℃ and reaction time of 180 min, removal of DBT was found to be 98.2%. The catalyst could be recycled 4 times without a significant decrease in activity.
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出版历程
  • 收稿日期:  2014-05-09
  • 修回日期:  2014-07-25
  • 刊出日期:  2014-11-30

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