活性炭基变湿吸附剂的成型及其CO<sub>2</sub>直接空气捕集性能研究

兰云霞; 郑世强; 谢洋; 吴文炎; 杨林; 赵云; 闫渊; 朱亮亮

doi:10.16152/j.cnki.xdxbzr.2025-05-003

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活性炭基变湿吸附剂的成型及其CO₂直接空气捕集性能研究

碳捕集、利用与封存 | 更新时间：2025-10-31

- 活性炭基变湿吸附剂的成型及其CO₂直接空气捕集性能研究
- The formation of activated carbon-based moisture-swing adsorbents and their CO₂ direct air capture performance
- 西北大学学报（自然科学版） 2025年55卷第5期页码：970-978
- 作者机构：
  
  1.中国石油天然气股份有限公司　西南油气田公司，四川　成都　610051
  2.西北大学　化工学院，陕西　西安　710127
- 作者简介：
  
  兰云霞，女，高级工程师，从事天然气采输研究，lanyx@petrochina.com.cn。
  朱亮亮，博士，副教授，从事二氧化碳捕集与资源化利用研究，zhu.liangliang@nwu.edu.cn。
- 基金信息：
  
  国家重点研发计划项目(2024YFE0206600)
- DOI：10.16152/j.cnki.xdxbzr.2025-05-003
  中图分类号： TQ09;X511
- 收稿：2025-01-10，
  
  纸质出版：2025-10-25
- 稿件说明：
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兰云霞, 郑世强, 谢洋, 等. 活性炭基变湿吸附剂的成型及其CO₂直接空气捕集性能研究[J]. 西北大学学报（自然科学版）, 2025,55(5):970-978.

LAN Yunxia, ZHENG Shiqiang, XIE Yang, et al. The formation of activated carbon-based moisture-swing adsorbents and their CO₂ direct air capture performance[J]. Journal of northwest university (natural science edition), 2025, 55(5): 970-978.
兰云霞, 郑世强, 谢洋, 等. 活性炭基变湿吸附剂的成型及其CO₂直接空气捕集性能研究[J]. 西北大学学报（自然科学版）, 2025,55(5):970-978. DOI： 10.16152/j.cnki.xdxbzr.2025-05-003.

LAN Yunxia, ZHENG Shiqiang, XIE Yang, et al. The formation of activated carbon-based moisture-swing adsorbents and their CO₂ direct air capture performance[J]. Journal of northwest university (natural science edition), 2025, 55(5): 970-978. DOI： 10.16152/j.cnki.xdxbzr.2025-05-003.

摘要

直接空气捕集（DAC）变湿吸附剂的研究多数是固体粉末状材料，不利于大规模工程应用。通过将活性炭（AC）与黏合剂甲基纤维素和膨润土复合，并进一步负载K

，制备了用于CO

直接空气捕集的K

/AC成型吸附剂，并通过表征测试及C

吸附性能测试，评估了其实用性能。实验结果显示，成型后的吸附剂具有良好的抗压强度和CO

吸附性能。随着成型吸附剂中AC含量的增加，其CO

直接空气捕集吸附量呈上升趋势。AC质量分数为60%的K

/AC-60成型吸附剂具有最优的抗压强度，其吸附量可达到0.319 mmol/g。研究结果为粉末状变湿吸附剂的成型和工业化应用提供了科学依据，对于开发实用化的DAC吸附剂具有重要意义。

Abstract

Currently

most research on moisture-swing adsorbents for CO

direct air capture (DAC) technology focuses on solid powder materials

which hinder large-scale engineering applications. By compositing activated carbon (AC) with binders such as methylcellulose and bentonite

and further loaded with K

a K

/AC shaped adsorbent for direct air capture of CO

was prepared. Its practical performance was evaluated through characterization tests and CO

adsorption performance tests. Experimental results indicate that the shaped adsorbent exhibits good compressive strength and CO

adsorption performance under DAC circumstances. As the AC content in the shaped adsorbent increases

the adsorption capacity for DAC shows an upward trend. The K

/AC-60 shaped adsorbent with an AC mass fraction of 60% has the optimal compressive strength and its adsorption capacity can reach 0.319 mmol/g. This study provides a scientific basis for the formation and industrial application of powder moisture-swing adsorbents

and holds great significance for the development of practical DAC adsorbents.

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Keywords

references

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氯化锌活化法制备长柄扁桃壳活性炭

活性炭基变湿吸附剂的成型及其CO2直接空气捕集性能研究

The formation of activated carbon-based moisture-swing adsorbents and their CO2 direct air capture performance

DOI：10.16152/j.cnki.xdxbzr.2025-05-003

摘要

Abstract

关键词

Keywords

references

活性炭基变湿吸附剂的成型及其CO₂直接空气捕集性能研究

The formation of activated carbon-based moisture-swing adsorbents and their CO₂ direct air capture performance