Pathways to Energy Savings in Carbon Dioxide Capture,Utilization and Storage Processes

doi:10.12422/j.issn.1006-396X.2025.04.004

Abstract

Abstract:

Carbon dioxide capture,utilization and storage(CCUS) is a crucial strategy for mitigating the greenhouse effect and reducing CO? emissions.As the predominant technology for large?scale commercial CO? capture,the high energy consumption of the absorption method seriously restricts the popularization and development of CCUS technology.This paper focuses on the energy?saving path in the CCUS process,and systematically reviews the latest research progress and achievements in three key directions: The research and development of new absorbents,design of new high?efficiency reactors,coupling of CO₂ capture and conversion process.The results show that the new absorbent reduces the energy consumption of the absorption reaction process,the high?efficiency reactor greatly enhances the mass transfer,and the integrated coupling technology realizes energy saving and consumption reduction from the process source.Future research needs to focus on the verification of the industrial application of new absorbents,the stability and cost control of long?term operation of reactors,and the further improvement of the economic efficiency of absorption and conversion integration technology,so as to promote the large?scale application of low?energy CCUS technology and help achieve the "double carbon" goal.

Key words: Carbon dioxide capture, Process coupling, Energy?saving, Organic amine

摘要：

CO₂捕集、利用与封存(CCUS)是目前降低CO₂排放、缓解温室效应的重要措施。吸收法作为当前大规模商业化CO?捕集的主流技术，其高能耗问题严重制约了CCUS技术的推广与发展。聚焦CCUS过程中的节能路径，系统评述了新型吸收剂的研发、新型高效反应器的设计、CO₂捕集转化一体化技术三个关键方向的最新研究进展与成果。结果表明，新型吸收剂可降低吸收反应过程的能耗；新型高效反应器可大幅强化传质；CO₂捕集转化一体化技术则从工艺源头实现节能降耗。未来研究需着力于新型吸收剂的工业化应用验证、反应器长期运行的稳定性与成本控制、吸收转化一体化技术经济性的进一步提升，以推动低能耗CCUS技术的规模化应用，助力“双碳”目标的实现。

关键词: 二氧化碳捕集, 过程耦合, 节能, 有机胺

CLC Number:

TQ09

Jinqiang WANG, Baikuan LIU, Xiaoli TIAN, Zhixun LI. Pathways to Energy Savings in Carbon Dioxide Capture,Utilization and Storage Processes[J]. Journal of Petrochemical Universities, 2025, 38(4): 25-33.

王晋强, 刘百宽, 田晓利, 李志勋. CO₂捕集、利用与封存过程中的节能路径[J]. 石油化工高等学校学报, 2025, 38(4): 25-33.

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URL: https://journal.lnpu.edu.cn/syhg/EN/10.12422/j.issn.1006-396X.2025.04.004

https://journal.lnpu.edu.cn/syhg/EN/Y2025/V38/I4/25

Figures/Tables 7

Table 1 Classification of solid adsorbents

固体吸收剂	吸附温度 /℃	类型
低温吸收剂	≤200	固体胺吸收剂、碳基吸收剂、沸石类吸收剂、MOFs类吸收剂、聚合物类吸收剂
中温吸收剂	>200~<400	类水滑石衍生吸收剂、MgO基吸收剂
高温吸收剂	≥400	锆酸盐基吸收剂Li₂ZrO₃、硅酸盐基吸收剂、CaO基吸收剂

Fig.1 Schematic diagram of packed tower model

Fig.2 Schematic diagram of hypergravity rotating filled bed [29]

Fig.3 Schematic diagram of hollow fiber membrane contactor[33]

Fig.4 Wetting of the membrane [23]

Fig.5 Schematic diagram of microreactor with parallel and linear microchannels[41]

Fig.6 Flow diagram of the coupled process of carbon dioxide capture and mineralization[42]

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