ALF材料结构调变及其CO<sub>2</sub>吸附性能研究

黄晨; 袁英; 陈禹嘉; 李旭; 李克兵; 鲁德华; 吴亚敏; 赵安民

doi:10.12434/j.issn.2097-2547.20240476

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ALF材料结构调变及其CO₂吸附性能研究

CCUS技术 | 更新时间：2025-11-25

- ALF材料结构调变及其CO₂吸附性能研究
- Study on structure modulation of ALF materials and their CO₂ adsorption performances
- 低碳化学与化工 2025, 50(11): 121-129.
- 作者机构：
  
  西南化工研究设计院有限公司多孔材料与分离转化全国重点实验室，国家碳一化学工程技术研究中心，四川成都 610225
- 作者简介：
  
  黄晨（1984—），博士，高级工程师，研究方向为吸附剂和催化剂开发，E-mail：huangchen@swchem.com。
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20240476
  中图分类号： TQ028
- 收稿：2024-12-03，
  
  修回：2025-01-09，
  
  纸质出版：2025-11-25
- 稿件说明：
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黄晨,袁英,陈禹嘉等.ALF材料结构调变及其CO₂吸附性能研究[J].低碳化学与化工,2025,50(11):121-129.

HUANG Chen,YUAN Ying,CHEN Yujia,et al.Study on structure modulation of ALF materials and their CO₂ adsorption performances[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(11):121-129.
黄晨,袁英,陈禹嘉等.ALF材料结构调变及其CO₂吸附性能研究[J].低碳化学与化工,2025,50(11):121-129. DOI： 10.12434/j.issn.2097-2547.20240476.

HUANG Chen,YUAN Ying,CHEN Yujia,et al.Study on structure modulation of ALF materials and their CO₂ adsorption performances[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(11):121-129. DOI： 10.12434/j.issn.2097-2547.20240476.

摘要

烟道气中的CO

捕集是一种有效应对气候变化并实现“碳中和”的方法，开发具有大CO

吸附量、优异选择性、能快速吸/脱附和再生简便的吸附剂，是实现低能耗捕集CO

的关键。金属有机框架材料（MOFs）虽然具有较大的饱和CO

吸附量，但存在吸附速率较慢的问题。在Al(HCOO)

MOFs（ALF）基础上，通过掺杂Mg合成改性吸附剂，并对其合成工艺进行了探究。结果表明，在以Mg(OH)

为Mg源掺杂改性吸附剂合成工艺探究中，合成温度和合成时间对吸附剂的晶型结构和晶粒尺寸都有较大影响，在合成温度100

℃、合成时间24 h条件下，AMHF-2 在3 min时的CO

吸附量比ALF增大了14.3 mL/g。AMHF-2与ALF具有相同主体结构，与ALF相比，AMHF-2有更小的晶粒尺寸且晶粒分散度更高，在短时间内对CO

具有更快的吸附速率和更大的吸附量，因此，将其应用于大规模变压吸附法烟道气脱碳成为可能。

Abstract

capture from flue gas is an effective method to improve the climate change and achieve “carbon neutral”. The development of adsorbents with large CO

adsorption capacity

excellent selectivity

rapid adsorption/desorption and simple regeneration is the key to achieving low energy consumption CO

capture. Although metal-organic framework materials (MOFs) have a high saturation CO

adsorption capacity

they suffer from slow adsorption rates. On the basis of Al(HCOO)

MOFs (ALF)

the modified adsorbents were synthesized by doping Mg

and their synthesis process were explored. The results show that the synthesis temperature and synthesis time have a great influence on the crystal structure and grain size of the adsorbents in the study of synthesis process of Mg(OH)

doped modified adsorbents. Under synthesis temperature of 100 ℃ and synthesis time of 24 h

the CO

adsorption capacity of AMHF-2 is 14.3 mL/g higher than that of ALF within 3 min. AMHF-2 and ALF have the same main structure. Compared with ALF

AMHF-2 has smaller crystallite size and higher crystallite dispersion

and has a faster adsorption rate and higher CO

adsorption capacity in a short period of time. Therefore it becomes possible to apply to large-scale pressure swing adsorption flue gas decarbonization.

关键词

Keywords

references

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关联资源

废粘土砖合成A型分子筛和A/X共晶分子筛及其CO₂吸附性能

金属有机骨架/碳气凝胶复合吸附剂对模拟烟气中CO₂的吸附性能

ALF材料结构调变及其CO2吸附性能研究

Study on structure modulation of ALF materials and their CO2 adsorption performances

DOI：10.12434/j.issn.2097-2547.20240476

摘要

Abstract

关键词

Keywords

references

ALF材料结构调变及其CO₂吸附性能研究

Study on structure modulation of ALF materials and their CO₂ adsorption performances