Ichipi, Emmanuel O.Mapossa, António BenjamimCosta, Ana Cristina F.M.Chirwa, Evans M.N.Tichapondwa, Shepherd Masimba2024-08-202024-08-202023-08Ichipi, E.O., Mapossa, A.B., Costa, A.C.F.M. et al. 2023, 'Fabrication and characterization of recyclable, magnetic (CoFe2O4)x/ Ag2S-ZnO composites for visible-light-induced photocatalytic degradation of methylene blue dye', Journal of Water Process Engineering, vol. 54, art. 104040, pp. 1-15. https://DOI.org/10.1016/j.jwpe.2023.1040402214-714410.1016/j.jwpe.2023.104040http://hdl.handle.net/2263/97744DATA AVAILABILITY : Data will be made available on requestMagnetic (CoFe2O4)x/Ag2S-ZnO composites (where x = 0.25, 0.5, 0.75 and 1 wt% CoFe2O4) were successfully synthesised and investigated in the removal of methylene blue (MB) from aqueous medium under visible-light irradiation. X-ray diffraction (XRD) analysis confirmed the crystallinity of the as-synthesised materials and established the average crystal size of these materials to be <8.5 nm. Vibrating sample magnetometer (VSM) analysis confirmed that all cobalt ferrite doped nanocomposites exhibited ferrimagnetic behavior with saturation magnetization values varying from 6.55 to 40.52 emu/g being recorded. Near complete degradation (99 %) was attained when 1 gL 1 of (CoFe2O4)0.5/Ag2S-ZnO composite was added to a 10 ppm solution of methylene blue (MB) at neutral pH for 4 h of visible light irradiation. The catalyst showed good stability, removing 93.1 % of MB dye after five reuse cycles. The composite catalyst reported in this study is therefore a promising material for large-scale water and wastewater treatment processes.en© 2023 The Authors. This is an open access article under the CC BY license.Advanced oxidation processesCombustion synthesisMagnetic nanocompositesPhotodegradationRecyclable photocatalystsX-ray diffraction (XRD)Vibrating sample magnetometer (VSM)Water treatment processWastewater treatment processSDG-06: Clean water and sanitationArticle