エポキシ化天然ゴム由来の多孔性カーボンナノファイバーによる高効率CO2回収
Epoxidized Natural Rubber-Derived Carbon Nanofibers with Tunable Microporosity for Efficient CO2 Capture (原題)
Songwuit Chanthee, Malee Santikunaporn
🤖 gxceed AI 要約
日本語
本研究は、エポキシ化天然ゴム（ENR）とポリアクリロニトリル（PAN）から電界紡糸法で多孔性カーボンナノファイバー（CNF）を合成し、CO2吸着性能を評価した。ENR含有量20%の試料が最高のCO2吸着能（273K、1barで4.35 mmol/g）を示し、細孔構造と吸着熱が性能に寄与した。圧力スイング吸着試験で5サイクル後の再利用性も確認された。
English
This study developed porous carbon nanofibers (CNFs) from epoxidized natural rubber (ENR) and polyacrylonitrile (PAN) via electrospinning. The 20ENR-CNF sample achieved the highest CO2 uptake of 4.35 mmol/g at 273 K and 1 bar, attributed to high porosity and favorable adsorption heat. Pressure swing adsorption tests confirmed excellent recyclability over five cycles.
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CO2回収技術の開発が重要視されており、本研究成果はCCUS分野での材料開発に貢献する可能性がある。ただし、実用化にはさらなるスケールアップとコスト評価が必要。
In the global GX context
This research contributes to the global CCUS field by developing novel carbon nanofiber adsorbents for CO2 capture. The tunable microporosity and high recyclability offer potential for industrial applications, though scale-up and economic feasibility remain to be addressed.
👥 読者別の含意
🔬研究者:Provides insights into the design of porous carbon materials for CO2 capture, highlighting the role of ENR content in tuning porosity and adsorption kinetics.
🏢実務担当者:May inform material selection for CO2 capture systems, but practical application requires further development and cost analysis.
📄 Abstract（原文）
Abstract This study developed porous carbon nanofibers (CNFs) to enhance the carbon dioxide (CO2) uptake capacity and adsorption kinetics. The CNFs were fabricated via electrospinning of a polymeric precursor consisting of epoxidized natural rubber (ENR) with polyacrylonitrile (PAN), followed by subsequent thermal treatment. ENR contents ranging from 10 to 80 wt % were incorporated into PAN to investigate their effects on the textural properties and porosity development of CNFs produced by electrospinning. The influences of textural characteristics, physical activation, and adsorption kinetics on the CO2 uptake capacity were systematically investigated. Among the prepared samples, 20ENR-CNF exhibited the highest CO2 uptake capacity, achieving 3.53 mmol g–1 for the as-prepared sample and 4.35 mmol g–1 after activation at 273 K under 1 bar. This enhanced performance is attributed to its high porosity and favorable isosteric heat of adsorption (28.18 kJ mol–1). Kinetic studies demonstrated that varying the ENR content significantly affected both the CO2 uptake capacity and adsorption rate, with intraparticle diffusion identified as a key controlling mechanism. ENR incorporation played a crucial role in tailoring the pore structure within the CNF matrix, thereby improving the CO2 adsorption performance. A pressure swing adsorption test conducted over five cycles confirmed the excellent recyclability of the activated 20ENR-CNF sample. Furthermore, increasing the ENR content was found to significantly enhance the CO2 adsorption rate.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1021/acsomega.6c02984first seen 2026-08-20 04:43:29
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