炭素回収のCO2吸着に対するクラスター吸着ラングミュアモデル(CALM)：物理吸着から化学吸着まで
Cluster adsorption langmuir model (CALM) for CO2 adsorption of carbon capture: From physical to chemical adsorption (原題)
Wenchao Lan, Shuangjun Li, Shuai Deng
🤖 gxceed AI 要約
日本語
本論文は、CO2回収向け吸着材の吸着挙動を記述するクラスター吸着ラングミュアモデル(CALM)の後編である。協同的・クラスター的吸着特性を協同スケール記述子ζと熱力学的状態記述子πで階層的に整理し、従来の物理・化学吸着の二分法を吸着進化の観点から再検討する。4種の代表的な吸着材を分析し、物理吸着と化学吸着の中間状態を統一的に定量評価する枠組みを提示する。
English
This paper is Part II of a series introducing the Cluster Adsorption Langmuir Model (CALM) for CO2 capture adsorbents. It builds a hierarchical framework combining a cooperative-scale descriptor ζ with a thermodynamic state descriptor π to reinterpret the conventional physical/chemical adsorption classification through adsorption evolution. Four representative adsorbents are analyzed, offering a unified basis for quantitative evaluation of intermediate adsorption states.
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
CCUSは日本のGX実現に向けた重要技術であり、吸着材の性能評価手法の高度化は国内の分離回収技術開発やカーボンニュートラル政策に間接的に資する。ただし開示・政策実務への直接的示唆は限定的。
In the global GX context
As CCUS scales under net-zero pathways, robust adsorbent evaluation frameworks matter for capture cost and performance benchmarking. This theoretical work contributes to materials-level methodology rather than disclosure or policy infrastructure.
👥 読者別の含意
🔬研究者:物理・化学吸着の二分法を超えた吸着状態遷移の統一記述子として、吸着材設計・評価研究に有用。
🏢実務担当者:直接の実務利用は限定的だが、CCUS吸着材の性能比較・選定の理論的基礎として参照可能。
📄 Abstract（原文）
This work follows Part I of this series, which introduced the Cluster Adsorption Langmuir Model (CALM) for describing adsorption behavior from ideal to real adsorption in CO 2 adsorption for carbon capture.With the emergence of advanced adsorbents such as metal-organic frameworks and solid amines for CO 2 capture, adsorption behaviors increasingly exhibit cooperative and clustered characteristics that cannot be fully interpreted by the conventional physical-chemical adsorption classification. Meanwhile, recent developments in cluster-based adsorption models, including the Zeta, Langmuir-Zeta model and the CALM, provide complementary perspectives for interpreting adsorption behavior under the context of adsorption evolution. Such advances broaden the understanding of adsorption beyond interaction mechanisms and motivate a re-examination of physical and chemical adsorption from the perspectives of adsorption-state transitions and thermodynamic state. This work presents a literature-guided theoretical investigation of adsorption behavior based on CALM and the concept of mass-specific spreading pressure π . A hierarchical framework is established by combining the cooperative-scale descriptor ζ with the thermodynamic state descriptor π and its reduced form ψ m . First, the theoretical transition from independent adsorption to cooperative and clustered adsorption is analyzed. Subsequently, the conventional physical-chemical adsorption classification is revisited using adsorption evolution as a complementary perspective. Finally, four representative physical and chemical adsorbents are analyzed to examine the relationship between adsorption evolution and the thermodynamic state of adsorbed CO 2 . The proposed framework provides complementary descriptors for understanding the continuous transition intermediate states between physical and chemical adsorption and offers a unified basis for the quantitative evaluation of CO 2 capture systems.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1016/j.ccst.2026.100709first seen 2026-11-01 04:55:57 · last seen 2026-11-06 04:53:06
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