Effect of different amino modified conditions on carbon dioxide adsorption of NH<sub>2</sub>-MIL-53(Al)

YANG Zhuhong; WU Peipei; ZHANG Suoying; LIU Hong; LIU Pengfei; YANG Qingyuan; LU Xiaohua

doi:10.3969/j.issn.0438-1157.2014.05.053

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Effect of different amino modified conditions on carbon dioxide adsorption of NH₂-MIL-53(Al)

更新时间：2025-12-10

- Effect of different amino modified conditions on carbon dioxide adsorption of NH₂-MIL-53(Al)
- CIESC Journal Issue 5, (2014)
- 作者机构：
  
  1. 南京工业大学化学化工学院, 材料化学工程国家重点实验室,江苏,南京,210009
  2. 北京化工大学有机无机复合材料国家重点实验室,北京,100029
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.05.053
  CLC： 67
- Online First：05 May 2014，
  
  Published：05 May 2014
- 稿件说明：
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YANG Zhuhong, WU Peipei, ZHANG Suoying, et al. Effect of different amino modified conditions on carbon dioxide adsorption of NH₂-MIL-53(Al)[J]. CIESC Journal, 2014, (5). DOI: 10.3969/j.issn.0438-1157.2014.05.053.
DOI：

YANG Zhuhong, WU Peipei, ZHANG Suoying, et al. Effect of different amino modified conditions on carbon dioxide adsorption of NH₂-MIL-53(Al)[J]. CIESC Journal, 2014, (5). DOI: 10.3969/j.issn.0438-1157.2014.05.053. DOI：

摘要

采用水热合成法，通过改变配体中2-氨基对苯二甲酸的含量制备了不同氨基含量的NH2-MIL-53（Al），考察了氨基含量，氨基功能化方法和氨基种类对NH2-MIL-53（Al）的CO2吸附性能的影响。傅里叶变换红外光谱表征（IR）发现在3500～3900 cm-1处存在—NH2基的伸缩振动带，氨基修饰成功。低压下，NH2-MIL-53（Al）的CO2吸附容量随氨基含量的增加而增大，且当氨基含量100%时，其CO2吸附性能优于直接合成的NH2-MIL-53（Al）。合成前修饰比合成后修饰，更有利于提高CO2吸附容量。采用乙醇胺、1，8-二氮杂二环[5.4.0]十一碳-7-烯、N，N'-二亚乙基三胺进行后氨基功能化都不能提高MIL-53的CO2吸附能力。

Abstract

With the hydrothermal synthesis method

MIL-53(Al) of different amino contents was prepared by changing the content of 2-amino terephthalic acid in ligands. The CO2 adsorption of NH2-MIL-53(Al) was investigated by varing the content

type of amino group and amino functional methods to improve the CO2 capture performance of MIL-53(Al). The synthesized materials were characterized with XRD

infrared spectroscopy and N2 adsorption measurements

and the adsorption performance of NH2-MIL-53 towards CO2 was also investigated on the basis of the adsorption isotherms. The IR results indicated that the peak of —NH2 was found in the range of 3500—3900 cm-1

demonstrating that amino group was loaded successfully. The performance of CO2 adsorption kept fitting with the amino group content of NH2-MIL-53(Al)

and when amino group content was 100%

better CO2 adsorption than MIL-53(Al) prepared directly was observed. In addition

when MEA

DBU and MMEN were used for post-synthesis modifications

they all could not improve the adsorption performance of NH2-MIL-53(Al) towards CO2.

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Effect of different amino modified conditions on carbon dioxide adsorption of NH2-MIL-53(Al)

DOI：10.3969/j.issn.0438-1157.2014.05.053

摘要

Abstract

关键词

Keywords

references

Effect of different amino modified conditions on carbon dioxide adsorption of NH₂-MIL-53(Al)