Adsorption removal of yttrium from water by lignocellulosic material after alkaline hydrolysis with or without gamma-irradiation

Adsorption removal of yttrium from water by lignocellulosic material after alkaline hydrolysis with or without gamma-irradiation Научная публикация

Журнал

International Journal of Environmental Science and Technology
ISSN: 1735-2630

Вых. Данные

Год: 2025, Том: 22, Номер: 13, Страницы: 12877-12894 Страниц : 18 DOI: 10.1007/s13762-025-06455-9

Авторы

Aleshkevich-Suslov I.V. ¹ , Gopin A.V. ¹ , Lokteva E.S. ¹ , Tolkachev N.N. ^2,3 , Kharlanov A.N. ¹ , Kustov L.M. ^1,3

Организации

1	Faculty of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1, Moscow, Russian Federation, 119991
2	Joint Institute of High Temperatures RAS, 13 Bd.2, Izhorskaya St., Moscow, Russian Federation, 125412
3	Zelinsky Institute of Organic Chemistry RAS, 47 Leninsky Prospect, Moscow, Russian Federation, 119991

Wood processing waste, hydrolysis lignin (HL), after alkali treatment showed high efficiency for adsorption removal of yttrium from water. The HL was gamma-irradiated for 74 days in an aqueous ethanol solution with or without KOH. In an alkaline environment, both carbon and carbohydrate components are extracted, while in a neutral environment, only carbohydrate components are extracted. IR-spectroscopy revealed that gamma irradiation resulted in partial oxidation of HL components and an increase in the amount of carboxylic functional groups in HL. NMR 13C and SEM methods revealed an increased removal of the aromatic component from HL under the influence of gamma radiation in an alkaline medium. Isotherms of Y3+ ions sorption on the solid residues after different treatment of HL obtained using the radiotracer method were well fitted by the Langmuir model. The binding energy of Y3+ ions varies from 14 to 18 kJ/mol, that is, chemical sorption is accompanied by complex formation and ion exchange. Kinetic experimental data were successfully fitted using the intraparticle diffusion model with the two-stage sorption type of Y3+. The diffusion in the boundary layer (stage 1) is faster than inside the adsorbent particle (stage 2). Gamma irradiation doses up to ~ 200 kGy have no effect on the sorption of Y3+ by HL. Alkaline hydrolysis significantly improves the HL sorption capacity for Y3+ (up to 18 mg/g) and the sorption rate due to an increase in the dispersion of adsorbent particles and the removal of lignin from the surface, detected by the SEM method.

Aleshkevich-Suslov I.V. , Gopin A.V. , Lokteva E.S. , Tolkachev N.N. , Kharlanov A.N. , Kustov L.M.
Adsorption removal of yttrium from water by lignocellulosic material after alkaline hydrolysis with or without gamma-irradiation
International Journal of Environmental Science and Technology. 2025. V.22. N13. P.12877-12894. DOI: 10.1007/s13762-025-06455-9 WOS Scopus OpenAlex

Web of science:	WOS:001460187400001
Scopus:	2-s2.0-105001987568
OpenAlex:	W4409191694

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