Phase Behaviour of Binary Mixtures Involving Near-Critical and Supercritical Carbon Dioxide-A Review.
準臨界および超臨界二酸化炭素を含む二成分混合物の相挙動—レビュー (AI 翻訳)
P. Ghoderao, Patrice Paricaud
🤖 gxceed AI 要約
日本語
本レビューは、超臨界CO2を用いた分離・抽出・CCU技術のプロセス設計に必須の相平衡データを体系的にまとめた。炭化水素、アルコール、水、イオン液体など多様な成分との二成分系の気液・液液平衡データを高圧・高温条件で収集し、測定手法の課題やデータ整合性を評価した。今後の高精度その場測定技術や複雑系データ拡充の必要性を指摘している。
English
This review compiles experimental phase equilibrium data for binary mixtures with supercritical CO2, covering VLE, LLE, and critical data for hydrocarbons, alcohols, ionic liquids, and other components under industrially relevant conditions. It evaluates analytical and synthetic methods, highlights challenges in near-critical regions, and identifies gaps in multicomponent data, emphasizing the need for high-precision in situ techniques and expanded datasets to advance sustainable CCU applications.
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
日本ではCCS/CCUがGX推進の柱の一つであり、CO2の物理化学的性質の理解はプロセス設計に直結する。本レビューは、国内のCCU実証試験や分離膜開発などに資する基礎データを提供するが、政策や開示との直接的な接点は限定的である。
In the global GX context
Globally, CCU is recognized as a key technology for decarbonization, and reliable phase equilibrium data are critical for scaling up CO2 capture and utilization processes. While this review does not directly address climate disclosure or policy, it provides foundational knowledge that supports the engineering design of CCU systems.
👥 読者別の含意
🔬研究者:A comprehensive compilation of phase equilibrium data for CO2 mixtures useful for process modeling and experimental design.
📄 Abstract（原文）
Near-critical and supercritical carbon dioxide (SC-CO2) is extensively utilized in high-pressure separation, extraction, polymer processing, and carbon capture and utilization (CCU) technologies owing to its tunable density, low viscosity, high diffusivity, and environmentally benign nature. Reliable phase equilibrium data are indispensable for process design and optimization, especially in the near-critical region characterized by pronounced non-idealities, high compressibility, and density fluctuations. This review synthesizes experimental phase behaviour studies for binary mixtures of CO2 with diverse components, including hydrocarbons, alcohols, ethers, esters, ketones, water, monomers/polymers, ionic liquids (ILs), and deep eutectic solvents (DESs), compiling extensive vapour-liquid equilibrium (VLE), liquid-liquid equilibrium (LLE), and critical data across industrially relevant pressure (up to 40 MPa) and temperature (up to 400 K) ranges. It critically evaluates analytical (sampling and non-sampling) and synthetic methodologies, addressing challenges in CO2-rich phase handling, depressurization artefacts, and near-critical phenomena, while assessing data consistency against established reliability criteria. Key trends emerge, such as enhanced solubility with increasing pressure and CO2 density, chain-length dependencies in hydrocarbons and alcohols, and Lewis acid-base interactions driving solvation in polar systems. The review highlights gaps in multicomponent data and proposes integrating high-quality experiments with advanced thermodynamic modelling to enhance predictive accuracy. Future directions emphasize high-precision in situ techniques, expanded datasets for complex mixtures, and novel CO2-philic solvents to advance sustainable SC-CO2 applications.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.3390/molecules31040614first seen 2026-05-05 23:49:57
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