AI Article Synopsis

  • The increasing levels of carbon dioxide in the atmosphere have significant adverse effects, prompting research into materials for carbon capture, with layered double hydroxides (LDHs) showing promise due to their high surface area and CO adsorption capabilities.
  • Despite existing reviews on carbon capture materials, there is a lack of comprehensive reviews specifically addressing LDH-based materials, highlighting the need for updated analysis in this rapidly evolving field.
  • This review article aims to fill that gap by providing an overview of recent advancements, synthesis methods, performance factors, and future research directions in CO capture using LDHs, while also discussing existing challenges and knowledge gaps.

Article Abstract

The continuous release of substantial amounts of carbon dioxide (CO) to the atmosphere has resulted in numerous severe adverse effects. Several materials have been synthesized and utilized for CO capture. One class of such materials is layered double hydroxides (LDHs), which have emerged as promising materials for CO capture due to their tunable properties, high surface area, and excellent CO adsorption capabilities. Although there are some review articles on CO capture and conversion using various materials, there is still a notable lack of thorough reviews focusing on the utilization of LDH-based materials for CO capture. Additionally, the field of CO capture and mineralization using LDH-based materials is rapidly evolving, necessitating up-to-date comprehensive reviews to analyze, evaluate, and condense the dispersed information found in recently published research articles. Accordingly, this review article provides a comprehensive overview of recent advancements in CO capture using LDH-based materials. After briefly introducing the topic, different synthesis protocols of LDH-based materials are briefly reviewed. Then, CO capture using LDHs, calcined LDHs, impregnated LDHs, composites containing LDHs, amine functionalized LDHs, and during steam methane reforming, are thoroughly analyzed and discussed. Additionally, the effects of synthesis method and post treatment of LDH-based materials on CO capture, effect of modification and functionalization on LDHs, and the effects of various process conditions including temperature, pressure, water vapor, and gas composition on the performance of CO capture by LDH-based materials are reviewed. Limitations, challenges, obstacles, and remaining knowledge gaps are highlighted, and future research works to address them are proposed.

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Source
http://dx.doi.org/10.1007/s11356-024-35446-5DOI Listing

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