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Deep eutectic solvent-enhanced crop residue adsorbents for eco-efficient volatile organosulfur compounds adsorption from gaseous fuels
Abstrakt
This study highlights the innovative potential of converting crop residues, typically considered waste, into valuable materials. By modifying these residues with green solvent-based deep eutectic solvents (DES), a novel adsorbent was specifically designed for the selective removal of volatile organosulfur compounds (such as thiophene, sec-butyl mercaptan, and dimethyl disulfide) from biogas streams. The selection of the most effective DES for sulfur compound removal was guided by Conductor-like Screening Model for Realistic Solvents modeling. After thorough characterization, the chosen eutectic solvents were incorporated into the adsorbents derived from rye husks and straw. Various parameters of new adsorbents were measured including surface structures, surface functional groups, crystal structures, thermal stability, particle size, pore volume, and specific surface area. The new adsorbents demonstrated significant sorption capacities for individual contaminants ranging from 109.1 to 149.3 mg/g. The adsorption process adhered to the pseudo-second-order kinetic model. A notable innovation of this research is the ability of the adsorbent to be regenerated multiple times without any reduction in its sorption capacity. This investigation not only advances the development of sustainable and efficient materials for biogas purification but also presents an economically viable solution. The use of readily available low-cost crop residues, combined with the low concentration and relatively inexpensive ingredients of DES, makes this approach both innovative and practical for industrial-scale applications.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
Journal of Environmental Chemical Engineering
nr 13,
ISSN: 2213-2929 - Język:
- angielski
- Rok wydania:
- 2025
- Opis bibliograficzny:
- Makoś-Chełstowska P., Słupek E., Gębicki J.: Deep eutectic solvent-enhanced crop residue adsorbents for eco-efficient volatile organosulfur compounds adsorption from gaseous fuels// Journal of Environmental Chemical Engineering -,iss. 2 (2025), s.115538-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.jece.2025.115538
- Źródła finansowania:
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 3 razy