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The influence of magnetic particle incorporation on bisphenol A removal by β-cyclodextrin-derived sorbent
Abstrakt
A novel, biomass-derived hybrid sorbent Ban-CD-EPI-Fe was successfully synthesized in a coprecipitation method, in which β-cyclodextrin copolymerized with banana peel extract and epichlorohydrin was grafted onto an iron oxide surface. The composition, presence of functional groups, morphology, thermal stability, and magnetic properties of the obtained material were characterized by Powder X-Ray Diffraction (XRD), X-Ray Photoelectron Spectroscopy (XPS), Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy and Energy Dispersive X-Ray Spectroscopy (SEM-EDS), Thermogravimetric Analysis (TGA), and Physical Properties Measurement System (PPMS). The material bearing around 28 % of β-cyclodextrin units has mesoporous structure with plate-like morphology and active surface area determined by BET and Langmuir models equal to 38.35 and 53.59 m2 g-1, respectively. The sorption studies aimed to remove an endocrine disruptor – bisphenol A (BPA), from water. The results showed that the time evolution could be fitted with pseudo-second kinetic order with a rate constant k equal to 0.05 g mg-1 min-1. According to the Langmuir isotherm, a monolayer is created during BPA sorption, and the maximum sorption capacity was estimated as 93.5 mg g-1. After BPA sorption, the hybrid material could be easily separated by an external magnet and regenerated under mild conditions keeping its recyclability in at least eight cycles.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
CHEMOSPHERE
nr 338,
ISSN: 0045-6535 - Język:
- angielski
- Rok wydania:
- 2023
- Opis bibliograficzny:
- Łukasik N., Wikarska S., Świątek H., Łapiński M., Klimczuk T., Hemine K.: The influence of magnetic particle incorporation on bisphenol A removal by β-cyclodextrin-derived sorbent// CHEMOSPHERE -Vol. 338, (2023), s.139538-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.chemosphere.2023.139538
- Źródła finansowania:
-
- IDUB
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 55 razy
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