Citation: Zhipeng Bao, Yilin Wang, Yu Chen, Beirui Jia, Congcong Wang, Zean Xie, Xuehua Yu, Zhen Zhao. Digital and Intelligent Integration under the “Dual Carbon” Strategy: Plasma Reaction-Separation Coupling for CO₂ Hydrogenation to Methanol[J]. University Chemistry, ;2026, 41(1): 29-40. doi: 10.12461/PKU.DXHX202506009 shu

Digital and Intelligent Integration under the “Dual Carbon” Strategy: Plasma Reaction-Separation Coupling for CO₂ Hydrogenation to Methanol

College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, China

Corresponding author: Zean Xie, Xuehua Yu, Zhen Zhao,
Received Date: 3 June 2025
Revised Date: 16 September 2025

While conventional thermal catalytic CO₂ conversion requires harsh high-temperature and high-pressure conditions, plasma technology enables CO₂ hydrogenation to methanol under ambient conditions, representing a crucial approach for energy conservation, carbon reduction, and achieving “double carbon” goals. This study develops an innovative dielectric barrier discharge (DBD) plasma-liquid film reactor that successfully couples plasma reaction with separation technology, overcoming the traditional trade-off between high CO₂ conversion and methanol selectivity. Addressing two key challenges in plasma processes—precise temperature control and complex parameter optimization—we implement digital solutions: Infrared thermography provides real-time, comprehensive temperature monitoring of discharge zones, surpassing conventional thermocouples that suffer from localized measurement and interference from high-voltage electrode discharge; An automated control module dynamically adjusts coolant parameters to maintain thermal equilibrium between plasma generation and dissipation. Furthermore, we employ artificial neural network (ANN) modeling for intelligent prediction of optimal conditions and process optimization. This interdisciplinary experiment integrates digital technologies with AI methodologies, fostering students’ innovative capabilities in alignment with emerging engineering education requirements.
- Infrared thermography,
- Automatic temperature control,
- Artificial neural network,
- Coupling technology of reaction and separation
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Digital and Intelligent Integration under the “Dual Carbon” Strategy: Plasma Reaction-Separation Coupling for CO2 Hydrogenation to Methanol

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通讯作者: 陈斌, bchen63@163.com

Digital and Intelligent Integration under the “Dual Carbon” Strategy: Plasma Reaction-Separation Coupling for CO₂ Hydrogenation to Methanol