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[BMIM]Cl离子液体改性埃洛石为基质制备大孔RFCC助剂

薛青松,  王一萌

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文章导航 > 燃料化学学报（中英文）  > 2014 >  42(02): 252-256
薛青松, 王一萌. [BMIM]Cl离子液体改性埃洛石为基质制备大孔RFCC助剂[J]. 燃料化学学报（中英文）, 2014, 42(02): 252-256.
引用本文: 薛青松, 王一萌. [BMIM]Cl离子液体改性埃洛石为基质制备大孔RFCC助剂[J]. 燃料化学学报（中英文）, 2014, 42(02): 252-256.
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XUE Qing-song, WANG Yi-meng. Ionic liquid of [BMIM]Cl modified halloysite as matrix for preparation of macroporous RFCC additives[J]. Journal of Fuel Chemistry and Technology, 2014, 42(02): 252-256.
Citation: XUE Qing-song, WANG Yi-meng. Ionic liquid of [BMIM]Cl modified halloysite as matrix for preparation of macroporous RFCC additives[J]. Journal of Fuel Chemistry and Technology, 2014, 42(02): 252-256.
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[BMIM]Cl离子液体改性埃洛石为基质制备大孔RFCC助剂

  • 华东师范大学化学系 上海市绿色化学与化工过程绿色化重点实验室, 上海 200062

基金项目: 国家科技支撑计划（2012BAE05B02）。
详细信息
    作者简介:

    薛青松（1978- ），男，四川阆中人，博士，高级工程师，主要从事催化裂化助剂的研究，Tel：021-62232753，E-mail：qsxie@chem.ecnu.edu.cn。

  • 中图分类号: TE624

Ionic liquid of [BMIM]Cl modified halloysite as matrix for preparation of macroporous RFCC additives

  • Shanghai Key Laboratory of Green Chemistry and Chemical Process, Chemistry of Department, East China Normal University, Shanghai 200062, China

    摘要
  • 摘要: 以氯化1-丁基-3-甲基咪唑（[BMIM]Cl）离子液体改性埃洛石为基质，以USY为主剂制备了大孔渣油催化裂化（RFCC）助剂，采用XRD、N2吸附、SEM等手段对制备的助剂进行了表征，以济南FCC原料油为原料，以济南平衡剂为主剂在固定流化床（ACE-MODEL R+ MM）上测定了助剂的反应性能。结果表明，在助剂的制备过程中，将离子液体先嫁接到具有开放大孔管状结构的埃洛石上，有效阻止了分子筛碎屑、黏结剂等占据埃洛石的管道及其活性位，高温焙烧去除离子液体后，保留了埃洛石的大孔结构，使制得的助剂具有高的催化裂化活性和良好的汽油选择性。
    Abstract: The residue fluid catalytic cracking (RFCC) additives containing macropores were prepared with 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) of room temperature ionic liquid modified halloysite as matrix and the USY zeolite as base. X-ray powder diffraction and N2 adsorption-desorption were employed for characterization of the crystallinity and macroporous structure of RFCC additives. The performance of RFCC additives were carried out over a confined fluidized bed fluidized bed (ACE-MODEL R+ MM) with Jinan FCC feedstock and Jinan FCC balance catalyst. It was found that the ionic liquid strongly interacted with the surface hydroxyl of halloysite firstly during the preparation of RFCC additives, and then the strong interaction between ionic liquid and halloysite effectively prevented the binder and USY zeolite to enter the inner of nano-tube of halloysite. At last, the macropores in RFCC additives were produced when the additives were calcinated and the ionic liquid was removed at higher temperature. The resulting macroporous additive exhibited good catalytic cracking activity and high yield of gasoline.
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    • 参考文献(13)
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出版历程
  • 收稿日期:  2013-06-24
  • 修回日期:  2013-09-28
  • 刊出日期:  2014-02-28

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