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Photocatalytic degradation of hydroxychloroquine using ZnO supported on clinoptilolite zeolite

Water science and technology, 2021-08, Vol.84 (3), p.763-776 [Peer Reviewed Journal]

ISSN: 0273-1223 ;EISSN: 1996-9732 ;DOI: 10.2166/wst.2021.265

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  • Title:
    Photocatalytic degradation of hydroxychloroquine using ZnO supported on clinoptilolite zeolite
  • Author: da Silva, Patricia Lacchi ; Nippes, Ramiro Picoli ; Macruz, Paula Derksen ; Hegeto, Fábio Luís ; Scaliante, Mara Heloísa Neves Olsen
  • Subjects: catalysis ; clinoptilolite ; hydroxychloroquine ; waste water
  • Is Part Of: Water science and technology, 2021-08, Vol.84 (3), p.763-776
  • Description: Abstract The objective of this work was to evaluate the photocatalytic activity of zinc oxide catalysts supported on natural zeolite clinoptilolite for photocatalytic degradation of the drug hydroxychloroquine, used in the treatment of malaria and which has been tested in the treatment of COVID-19. To synthesize 10%ZnOCP and 15%ZnOCP catalysts, the wet impregnation methodology was used. The raw and synthesized catalysts were characterized by XRD, SEM, XRF, BET, DRS, PCZ, FT-IR and PL. The degradation of hydroxychloroquine was calculated using UV-vis absorption from the samples before and after the photocatalytic process. The maximum percentage of degradation (96%) was obtained with the operational parameters of C0 = 10 mg L−1; Ccat = 2 g L−1 of 15%ZnOCP; pH = 7.5; UV-A radiation. Ecotoxicological tests against the bioindicators Lactuca sativa and Artemia salina confirmed the reduction of effluent toxicity after treatment.
  • Publisher: IWA Publishing
  • Language: English
  • Identifier: ISSN: 0273-1223
    EISSN: 1996-9732
    DOI: 10.2166/wst.2021.265
  • Source: ProQuest Central
    DOAJ Directory of Open Access Journals
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