Simulation and evaluation of a flue gas carbon capture process coupled with catalytically-enhanced regeneration technology

ZHANG Jie; JIANG Jinsheng; ZHAN Guoxiong; ZHAO Jie; CHEN Zhen; LI Junhua

doi:10.13205/j.hjgc.202509015

Volume 43 Issue 9

Sep. 2025

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2025 > 43(9): 139-147

ZHANG Jie, JIANG Jinsheng, ZHAN Guoxiong, ZHAO Jie, CHEN Zhen, LI Junhua. Simulation and evaluation of a flue gas carbon capture process coupled with catalytically-enhanced regeneration technology[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(9): 139-147. doi: 10.13205/j.hjgc.202509015

Citation:

ZHANG Jie, JIANG Jinsheng, ZHAN Guoxiong, ZHAO Jie, CHEN Zhen, LI Junhua. Simulation and evaluation of a flue gas carbon capture process coupled with catalytically-enhanced regeneration technology[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(9): 139-147. doi: 10.13205/j.hjgc.202509015

Citation:

ZHANG Jie, JIANG Jinsheng, ZHAN Guoxiong, ZHAO Jie, CHEN Zhen, LI Junhua. Simulation and evaluation of a flue gas carbon capture process coupled with catalytically-enhanced regeneration technology[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(9): 139-147. doi: 10.13205/j.hjgc.202509015

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Simulation and evaluation of a flue gas carbon capture process coupled with catalytically-enhanced regeneration technology

doi: 10.13205/j.hjgc.202509015

1. National Pipeline Network Group Western Pipeline Co., Ltd., Urumqi 830011, China;
2. Gansu Branch, National Petroleum and Natural Gas Pipeline Group Co., Ltd., Lanzhou 730070, China;
3. School of Environment, Tsinghua University, Beijing 100084, China

Received Date: 2024-08-21
Available Online: 2025-11-05
Publish Date: 2025-09-01

Abstract

Abstract

Under the background of national carbon peak and carbon neutrality in China，achieving low-cost and high-efficiency flue gas carbon capture is of great significance. As the most mature flue gas capture scheme， MEA absorption technology has been widely used in various industries carbon capture processes. The catalytically-enhanced regeneration method plays an important role in reducing the energy consumption in processes. In this work， by combining the process simulation approach in Aspen Plus， the conventional and catalytically-enhanced regeneration of MEA flue gas decarbonization processes were simulated and analyzed， aiming to clarify the technical advantages of the catalytically-enhanced regeneration method. Firstly， Aspen Plus was employed to simulate the conventional MEA flue gas decarbonization process， examining the impact of key operational parameters such as absorption temperature， gas-liquid ratio， and desorption temperature on the absorption efficiency. This analysis provided insights into the optimal operation of the MEA absorption and desorption processes， as well as an energy-efficient operational scheme. Secondly， by incorporating a catalytic hypothesis， a MEA decarbonization process with catalytically-enhanced regeneration was developed and simulated. By analyzing the trend of operational parameters， the most energy-efficient operational scheme was obtained. A comparative analysis of the energy-saving operation schemes between the two processes revealed the technical advantages of the catalytic technology. The results showed that the catalytically-enhanced regeneration method effectively improved the desorption rate and the recycling amount of CO₂ absorption. In terms of the energy consumption in processes， the catalytically-enhanced regeneration process reduced energy consumption by approximately 24% compared to conventional processes. The energy consumption cost could be reduced by approximately 43 RMB/t CO₂. The results can provide essential technical support for developing low-energy consumption carbon capture technologies.
- catalytically-enhanced regeneration,
- flue gas carbon capture,
- process simulation,
- Aspen Plus,
- prcoess evaluation

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References(21)

References

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