Porous hydrogen-bonded organometallic frameworks for adsorption separation of acetylene and carbon dioxide

XIE Danyan; XING Huabin; ZHANG Zhiguo; YANG Qiwei; YANG Yiwen; REN Qilong; BAO Zongbi

doi:10.11949/j.issn.0438-1157.20161055

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Porous hydrogen-bonded organometallic frameworks for adsorption separation of acetylene and carbon dioxide

更新时间：2025-11-26

- Porous hydrogen-bonded organometallic frameworks for adsorption separation of acetylene and carbon dioxide
- CIESC Journal Issue 1, Pages: 154-162(2017)
- 作者机构：
  
  浙江大学化学工程与生物工程学院, 生物质化工教育部重点实验室,浙江,杭州,310029
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20161055
  CLC： Q021.4
- Online First：05 January 2017，
  
  Published：05 January 2017
- 稿件说明：
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XIE Danyan, XING Huabin, ZHANG Zhiguo, et al. Porous hydrogen-bonded organometallic frameworks for adsorption separation of acetylene and carbon dioxide[J]. CIESC Journal, 2017, (1): 154-162.
DOI：

XIE Danyan, XING Huabin, ZHANG Zhiguo, et al. Porous hydrogen-bonded organometallic frameworks for adsorption separation of acetylene and carbon dioxide[J]. CIESC Journal, 2017, (1): 154-162. DOI： 10.11949/j.issn.0438-1157.20161055.

摘要

以腺嘌呤和溴化铜（氯化铜）为原料，采用慢扩散合成法，合成多孔氢键金属-有机框架材料MPM-1-Br和MPM-1-Cl。采用SEM、PXRD、TGA及比表面积分析等技术对材料进行综合表征，并测定了此二种同构多孔氢键金属-有机框架材料对乙炔和二氧化碳单组分气体的吸附等温线。实验结果表明，MPM-1-Br和MPM-1-Cl的比表面积分别为373 m2·g-1和417 m2·g-1，且在<240℃的温度范围内有良好的稳定性；在298 K和总压100 kPa下，通过IAST理论计算得到其对C2H2/CO2混合气体（体积比50：50）的吸附选择性分别达到了3.8和3.0，与HKUST-1（4.7）和UTSA-30（3.3）等金属-有机框架材料有相当的分离性能。

Abstract

Two porous hydrogen-bonded organometallic frameworks

termed as MPM-1-Br and MPM-1-Cl

were synthesized from adenine and CuBr2(or CuCl2) at room temperature by slow diffusion method.The synthesized materials were characterized by analysis techniques including SEM

PXRD

TGA and specific surface area analysis.Single-component adsorption isotherms for acetylene and carbon dioxide on these materials were also determined.The experimental results revealed that MPM-1-Br and MPM-1-Cl have moderately high BET surface(373 m2·g-1

417 m2·g-1)

and they show good thermo stability at temperature up to 240℃.The calculations were performed using the ideal adsorbed solution theory(IAST) based on the single-component adsorption isotherms

obtaining the adsorption selectivity of MPM-1-Br and MPM-1-Cl for binary mixture of acetylene and carbon dioxide(50:50

volume ratio) to be 3.8 and 3.0 at temperature of 298 K and total pressure of 100 kPa

respectively

which are comparable to those on HKUST-1 and UTSA-30.

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