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アミン系燃焼後CO2回収が高コストである理由と低コスト改善技術に関する研究

The Research of the Reasons Why the Post-Combustion Carbon Capture with Amine-Based Processes is Expensive and Studies on Low-Cost Improvement Technologies (原題)

Jiarui Cui

Communications in Humanities Research📚 査読済 / ジャーナル2026-09-22#CCUSOrigin: CN経営インパクト: コスト削減対象セクター: power
DOI: 10.54254/2753-7064/2026.37174
原典: https://doi.org/10.54254/2753-7064/2026.37174

🤖 gxceed AI 要約

日本語

本論文は、最も成熟した回収技術であるアミン系燃焼後CO2回収の技術的・経済的課題を包括的にレビューする。CCSバリューチェーン全体のコストのうち回収段階が約60〜80%を占め、溶媒再生のエネルギー需要が主要因であることを示す。プロセス最適化、先進溶媒（混合アミン・相変化溶媒・イオン液体）、固体吸着・膜分離などの低コスト化戦略を比較し、先進溶媒と代替技術に将来のコスト削減余地が大きいと結論づける。

English

This review examines the technical and economic barriers of post-combustion amine-based carbon capture, the most mature CCS approach. It finds the capture stage accounts for roughly 60-80% of total lifecycle cost, driven largely by solvent regeneration energy demand. Comparing process optimization, advanced solvents (mixed amines, phase-change solvents, ionic liquids), solid adsorption, and membrane separation, it concludes advanced solvents and alternative technologies offer the greatest future cost-reduction potential.

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

日本はGX推進戦略でCCSを重点技術に位置づけ、JOGMECや大手企業が実証・商用化を進めている。本レビューは回収コスト構造と低コスト化技術の比較を提供し、国内CCSプロジェクトの経済性評価やSSBJ開示における移行計画・設備投資の根拠づけに資する。

In the global GX context

CCS is central to global net-zero pathways and increasingly referenced in transition plans under ISSB/TCFD and CSRD. This review's cost breakdown and technology comparison help practitioners and investors assess the economic viability of capture projects, informing transition finance and disclosure of decarbonization capex.

👥 読者別の含意

🔬研究者:アミン回収のコスト内訳と先進溶媒・代替技術の比較枠組みを整理した基礎資料として有用。

🏢実務担当者:CCS導入検討時のコスト構造理解と、低コスト化技術選定・投資判断の参考になる。

🏛政策担当者:CCS商用化支援策や標準的な技術経済評価枠組みの整備に向けた論点を提供する。

📄 Abstract（原文）

Carbon capture and storage (CCS) is widely regarded as a critical technology for achieving deep decarbonization and global net-zero emissions. However, despite its significant potential, large-scale deployment of CCS remains limited, primarily due to high economic costs that hinder commercialization. This paper provides a comprehensive review of the technological and economic challenges associated with post-combustion amine-based carbon capture, which is currently the most mature and widely applied capture approach. A systematic analysis of the cost distribution across the CCS value chain reveals that the capture stage contributes approximately 60–80% of the total lifecycle cost, mainly due to high capital and operational expenditures. The substantial energy demand for solvent regeneration is identified as a major factor contributing to the high cost of amine-based systems. The paper further compares various cost-reduction strategies, including process optimization, advanced solvent development (such as mixed amines, phase-change solvents, and ionic liquids), and emerging technologies including solid adsorption and membrane separation. The analysis indicates that conventional process improvements generally achieve limited cost reductions, whereas advanced solvent systems and alternative capture technologies offer greater potential for future cost optimization. Additional barriers, including limited economies of scale, underdeveloped industrial infrastructure, and the lack of standardized techno-economic assessment frameworks, are also discussed. Finally, the paper proposes future research directions to reduce CCS costs and promote its broader industrial application.

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