Study on energy consumption optimization of membrane-based carbon capture process for coal-fired power plant flue gas and its coupling mechanism with Carbon cycle in surrounding terrestrial ecosystems
石炭火力発電所排ガス向け膜分離CO2回収プロセスのエネルギー消費最適化と周辺陸域生態系の炭素循環との連携メカニズムに関する研究 (AI 翻訳)
Qihan Wang, Zhili Wang
🤖 gxceed AI 要約
日本語
本研究は、膜分離CO2回収プロセスのエネルギー消費を業界平均3.2 GJ/t-CO2から2.1 GJ/t-CO2に削減し、CO2回収率90%以上を達成。さらに、改良CENTURYモデルを用いて、回収CO2の地中・植生固定が周辺生態系の炭素循環に与える影響を定量分析し、半径5kmの陸域生態系で年間炭素吸収量が18.3%増加することを示した。
English
This study optimizes membrane-based carbon capture for coal-fired power plants, reducing energy consumption from 3.2 to 2.1 GJ/t CO2 while maintaining >90% capture rate. Using an improved CENTURY model, it shows that geological storage/vegetation sequestration of captured CO2 increases annual carbon sink in surrounding terrestrial ecosystems by 18.3% within a 5 km radius. A coupled evaluation model integrates energy optimization, carbon flow regulation, and ecological carbon sinks.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本のGX政策ではCCUSが重要な柱であり、本研究成果は石炭火力発電の低炭素化と生態系炭素吸収源の同時強化に貢献する可能性がある。SSBJやTCFD関連の開示にも間接的に寄与する技術的裏付けとなる。
In the global GX context
This paper advances CCUS technology by optimizing energy use and linking carbon capture with ecosystem benefits, relevant for global industrial decarbonization strategies and integrated assessment of carbon removal technologies. It provides quantitative evidence for co-benefits of CCUS with nature-based solutions.
👥 読者別の含意
🔬研究者:Provides a novel coupling model for energy-carbon-ecosystem analysis and quantitative results on membrane capture optimization.
🏢実務担当者:Offers technical parameters for low-energy carbon capture systems and methodology for assessing ecological co-benefits.
🏛政策担当者:Supports policy design integrating CCUS with terrestrial carbon sinks, relevant for national GHG reduction roadmaps.
📄 Abstract（原文）
To address the core contradiction between “carbon emission reduction” and “energy efficiency loss” in the coal-fired power industry, while enhancing the synergistic carbon sink benefits of the entire carbon capture, utilization, and storage (CCUS) chain, this study focuses on the energy consumption optimization of the membrane-based carbon capture process for coal-fired power plant flue gas and explores its coupling mechanism with the carbon cycle in surrounding terrestrial ecosystems. By constructing a mass transfer-energy consumption coupling model for membrane modules and optimizing operating parameters as well as membrane material performance, the unit energy consumption of the membrane-based carbon capture system is reduced from the industry average of 3.2 GJ/t CO2 to 2.1 GJ/t CO2, with the CO2 capture rate stably maintained above 90%. Based on the improved CENTURY model, this study quantitatively analyzes the impact of geological storage/vegetation carbon sequestration of captured CO2 on the carbon cycle in surrounding forest and grassland ecosystems, and finds that the optimized carbon capture system can increase the annual carbon sink increment of terrestrial ecosystems within a 5 km radius by 18.3%. Finally, a coupling evaluation model of “energy consumption optimization - carbon flow regulation - ecological carbon sink” is established, providing theoretical support and technical pathways for low-cost carbon emission reduction in the coal-fired power industry and the synergistic improvement of regional ecological carbon cycles.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.1088/1742-6596/3171/1/012014first seen 2026-05-05 23:31:06
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