Abstract
Activated carbons of grades AG-5, SKT-6A, and LiderKarbon-E, impregnated with copper sulfate with an additive content of 10–20 wt % and modified with fullerenes in the amount of 0.003–0.006 wt % were prepared and studied. The introduction of additives reduces the volume of micropores up to 36% with a slight decrease in the volume of mesopores. Modification of activated carbon by fullerenes increases its dynamic benzene capacity in humid environments by 28–36%, and the introduction of fullerenes into a chemical adsorbent based on activated carbon modified with copper sulfate increases its dynamic ammonia capacity by 45–51%, especially at high air humidity.
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Funding
The results were obtained in the framework of the state assignment of the Ministry of Education and Science of Russia no. 10.7499.2017/8.9 for the implementation of government work in the field of scientific activity – initiative scientific projects “The scientific basis for the creation of hydrophobic microporous carbon adsorbents to increase the selectivity of adsorption of microimpurities of organic compounds from aqueous and humidified gas environments” (EGISU R&D no. AAAA-A17-117040510271-1).
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Spiridonova, E.A., Samonin, V.V., Podvyaznikov, M.L. et al. Production and Research of Fullerene-Modified Chemical Adsorbent of Ammonia Based on Activated Carbon. Russ J Appl Chem 93, 691–697 (2020). https://doi.org/10.1134/S1070427220050092
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DOI: https://doi.org/10.1134/S1070427220050092