MCM-36 zeolites tailored with acidic ionic liquid to regulate adsorption properties of isobutane and 1-butene

Hongxia Li; Tao Zhang; Shaojun Yuan; Shengwei Tang

doi:10.1016/j.cjche.2016.05.033

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MCM-36 zeolites tailored with acidic ionic liquid to regulate adsorption properties of isobutane and 1-butene

Separation Science and Engineering | Updated：2026-01-06

- MCM-36 zeolites tailored with acidic ionic liquid to regulate adsorption properties of isobutane and 1-butene
- MCM-36 zeolites tailored with acidic ionic liquid to regulate adsorption properties of isobutane and 1-butene
- 中国化学工程学报（英文版） 2016年24卷第12期页码：1703-1711
- Affiliations：
  
  Multiphase Mass Transfer and Reaction Engineering Lab, College of Chemical Engineering, Sichuan University,Chengdu,China,610065
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.05.033
  中图分类号：
- 纸质出版：2016
- Accepted：
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Hongxia Li, Tao Zhang, Shaojun Yuan, 等. MCM-36 zeolites tailored with acidic ionic liquid to regulate adsorption properties of isobutane and 1-butene[J]. 中国化学工程学报（英文版）, 2016,24(12):1703-1711.

Hongxia Li, Tao Zhang, Shaojun Yuan, Shengwei Tang. MCM-36 zeolites tailored with acidic ionic liquid to regulate adsorption properties of isobutane and 1-butene[J]. , 2016, 24(12): 1703-1711.
Hongxia Li, Tao Zhang, Shaojun Yuan, 等. MCM-36 zeolites tailored with acidic ionic liquid to regulate adsorption properties of isobutane and 1-butene[J]. 中国化学工程学报（英文版）, 2016,24(12):1703-1711. DOI： 10.1016/j.cjche.2016.05.033.

Hongxia Li, Tao Zhang, Shaojun Yuan, Shengwei Tang. MCM-36 zeolites tailored with acidic ionic liquid to regulate adsorption properties of isobutane and 1-butene[J]. , 2016, 24(12): 1703-1711. DOI： 10.1016/j.cjche.2016.05.033.

摘要

Abstract

Adsorption properties of an adsorbent or a catalyst towards adsorbates are crucial in the process of adsorption separation or catalytic reaction. Surface morphology and structure of adsorbents have a significant impact on the adsorption properties. In this study

a novel acidic ionic liquid

1-butyl-3-(triethoxysilylpropyl)imidazolium hydrogen sulfate (i.

[BTPIm

]

[HSO

]

)

was synthesized and subsequently grafted onto the MCM-36 zeolite for the regulation of its adsorption properties towards isobutane and 1-butene. The resultant[BTPIm

]

[HSO

]

-immobilized MCM-36 (i.

MCM-36-IL) was characterized by FT-IR

XPS

XRD

SEM

TG/DTG and N

adsorption-desorption measurement. It was found that the specific surface area

micropore volume and mesopore volume of the MCM-36 support underwent a reduction upon the immobilization of ionic liquid

while the surface density of acid increased from 0.0014 to 0.0035 mmol·m

-2

. The adsorption capacity of isobutane and 1-butene on the MCM-36-IL was determined by a static volumetric method. Results demonstrated that the interaction between isobutane and MCM-36-IL was enhanced and the interactio

n between 1-butene and MCM-36-IL was reduced. As a result

a tunable adsorption ratio of isobutane/1-butene on MCM-36 was achieved. With the increase in surface density of acid and the tunable adsorption ratio of isobutane and 1-butene on the functionalized MCM-36

the acidic ionic liquid-immobilized zeolites are beneficial to obtain an improved reaction yield and a prolonged catalyst life in the reactions catalyzed by solid acid.

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