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Empowering Adsorption and Photocatalytic Degradation of Ciprofloxacin on BiOI Composites: A Material-by-Design Investigation
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geovetenskap och miljöteknik.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0002-4628-3857
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0001-6081-5736
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2023 (engelsk)Inngår i: ACS Omega, E-ISSN 2470-1343, Vol. 8, nr 46, s. 44044-44056Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Binary and ternary composites of BiOI with NH2-MIL-101(Fe) and a functionalized biochar were synthesized through an in situ approach, aimed at spurring the activity of the semiconductor as a photocatalyst for the removal of ciprofloxacin (CIP) from water. Experimental outcomes showed a drastic enhancement of the adsorption and the equilibrium (which increased from 39.31 mg g–1 of bare BiOI to 76.39 mg g–1 of the best ternary composite in 2 h time), while the kinetics of the process was not significantly changed. The photocatalytic performance was also significantly enhanced, and the complete removal of 10 ppm of CIP in 3 h reaction time was recorded under simulated solar light irradiation for the best catalyst of the investigated batch. Catalytic reactions supported by different materials obeyed different reaction orders, indicating the existence of different mechanisms. The use of scavengers for superoxide anion radicals, holes, and hydroxyl radicals showed that although all these species are involved in CIP photodegradation, the latter play the most crucial role, as also confirmed by carrying out the reaction at increasing pH conditions. A clear correlation between the reduction of BiOI crystallite sizes in the composites, as compared to the bare material, and the material performance as both adsorbers and photocatalyst was identified. 

sted, utgiver, år, opplag, sider
American Chemical Society (ACS), 2023. Vol. 8, nr 46, s. 44044-44056
HSV kategori
Forskningsprogram
Energiteknik; Experimentell fysik; Avfallsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-103204DOI: 10.1021/acsomega.3c06243ISI: 001108005100001Scopus ID: 2-s2.0-85178352921OAI: oai:DiVA.org:ltu-103204DiVA, id: diva2:1818575
Forskningsfinansiär
The Kempe Foundations, SMK-1974Knut and Alice Wallenberg FoundationBio4Energy
Merknad

Validerad;2023;Nivå 2;2023-12-11 (joosat);

License full text: CC BY

Tilgjengelig fra: 2023-12-11 Laget: 2023-12-11 Sist oppdatert: 2024-03-07bibliografisk kontrollert

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Khasevani, Sepideh GholizadehNikjoo, DariushUmeki, KentaroConcina, Isabella

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Khasevani, Sepideh GholizadehNikjoo, DariushChaxel, CécileUmeki, KentaroConcina, Isabella
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