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<p>Cellulose-based aerogels, sourced from abundant and biodegradable waste materials such as woody pulp and medical residues, have emerged as promising green adsorbents for CO<sub>2</sub>. Recent advancements in nanoscale modifications, particularly through amine and aminosilanes, grafted with varying chain lengths, have significantly enhanced the CO<sub>2</sub> capture capacity and selectivity. This review comprehensively explores synthesis, morphological characterization, and performance of the eco-friendly aerogels, highlighting their potential in scalable carbon capture technologies. The review serves recent breakthroughs in nitrogen-functionalized cellulose materials, innovative fabrication techniques, and their environmental benefits. Future prospects for improving sorbent efficiency and integrating these materials into sustainable industrial applications are also outlined, underscoring their role in advancing a circular bioeconomy and combating climate change.</p>

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Advances in Nitrogen-Functionalized Cellulose Aerogels for CO2 Capture

  • 期刊论文

  • 发表日期：

    2025年8月7日

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  • Arihant Jain,
  • Anurag Kumar Tiwari,
  • Raj Kumar Arya,
  • Tapas Palai

摘要

Cellulose-based aerogels, sourced from abundant and biodegradable waste materials such as woody pulp and medical residues, have emerged as promising green adsorbents for CO2. Recent advancements in nanoscale modifications, particularly through amine and aminosilanes, grafted with varying chain lengths, have significantly enhanced the CO2 capture capacity and selectivity. This review comprehensively explores synthesis, morphological characterization, and performance of the eco-friendly aerogels, highlighting their potential in scalable carbon capture technologies. The review serves recent breakthroughs in nitrogen-functionalized cellulose materials, innovative fabrication techniques, and their environmental benefits. Future prospects for improving sorbent efficiency and integrating these materials into sustainable industrial applications are also outlined, underscoring their role in advancing a circular bioeconomy and combating climate change.