Research progress of direct air capture technology for CO<sub>2</sub>

XIANG Xiaofeng; SHAO Yaru; GAO Rongze; WANG Zhichao; JIN Zhonghua; WANG Limin; CHE Defu

doi:10.13205/j.hjgc.202505020

Volume 43 Issue 5

May 2025

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2025 > 43(5): 178-191

XIANG Xiaofeng, SHAO Yaru, GAO Rongze, WANG Zhichao, JIN Zhonghua, WANG Limin, CHE Defu. Research progress of direct air capture technology for CO2[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(5): 178-191. doi: 10.13205/j.hjgc.202505020

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XIANG Xiaofeng, SHAO Yaru, GAO Rongze, WANG Zhichao, JIN Zhonghua, WANG Limin, CHE Defu. Research progress of direct air capture technology for CO₂[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(5): 178-191. doi: 10.13205/j.hjgc.202505020

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Research progress of direct air capture technology for CO₂

doi: 10.13205/j.hjgc.202505020

1. National Engineering Research Center of Clean Coal Combustion for Utility Boilers, Xi'an Thermal Power Research Institute Co., Ltd., Xi'an 710000, China;
2. Shaanxi Engineering Research Center of Coal Fired Boiler Environmental Protection, Xi'an 710000, China;
3. State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710000, China

Received Date: 2024-02-01
Accepted Date: 2024-07-09
Rev Recd Date: 2024-03-07

Available Online: 2025-09-11

Abstract

Abstract

Direct air capture （DAC） technology has attracted extensive attention in recent years due to its flexible layout， simple operation， and suitability for distributed and point-type carbon emission source capture processes. In order to clarify the DAC technology's application potential in engineering， this paper systematically reviewed the principles and development route of different DAC technologies， summarized the advantages and disadvantages of liquid-based， solid-based， and emerging DAC technologies， analyzed the challenges in their development， and put forward solutions tailored to each technology. The capture materials used in various DAC technologies were briefly reviewed， and the characteristics of these materials in terms of regeneration temperature， renewable energy consumption， and capacity were compared and analyzed. The results showed that the emerging direct air capture technology reduced costs to some extent and was successfully verified in the laboratory. Before large-scale industrial application， issues such as the development of highly selective membrane materials，electrolyzer stability， and the development of efficient electrolyte systems should be solved first.
- liquid-based DAC technology,
- solid-based DAC technology,
- emerging DAC technology,
- renewable energy consumption,
- capacity

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References(96)

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