Journal
JOURNAL OF ENERGY CHEMISTRY
Volume 63, Issue -, Pages 574-584Publisher
ELSEVIER
DOI: 10.1016/j.jechem.2021.08.027
Keywords
CO2 capture; CNT; Silicone oil; Adsorbents; Indoor air
Funding
- National Research Foundation of Korea (NRF) - Korean government (MSIT) [2020R1A5A1018153, 2020R1A6A3A01095950]
- National Research Foundation of Korea [2020R1A6A3A01095950, 2020R1A5A1018153] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study developed a new type of CO2 capture material - liquid-like adsorbents, overcoming the limitations of conventional adsorbents. Liquid adsorbents are solidified by carbon nanotubes, ensuring stability, regenerability, and moisture resistance indoors, offering a new approach for indoor CO2 capture.
In this study, a CO2 capture material in the form of liquid-like adsorbents (LLAs) is developed to overcome the limitations of conventional types of adsorbents. The increase in indoor activities necessitates the capture of CO2 in enclosed indoor spaces. Indoor spaces require safe and stable materials for CO2 capture because humans are present in these spaces. Solid adsorbents are mainly used because liquid absorbents are unsuitable owing to noise and scattering problems. In LLA, the liquid absorbent assembled by carbon nanotubes (CNTs) is solidified and prevented from flowing and scattering indoor. LLAs present to maintain 95% of initial capacity after recycling 20 times, and have characteristics that can be regenerated in a low temperature heat source (80 to 120.) and moisture resistance. This work not only provides indoor useable CO2 capture materials, but also offers a new prospect in the field of adsorbents. (C) 2021 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.
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