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Photocatalytic Degradation of Toxic Phenolic Compound and Bacterial Inactivation by Ternary Li doped Zn 0.5 Ni 0.5 Fe 2 O 4 by Faisal Suleiman Mustafa; Akeem Adeyemi Oladipo; Mustafa Gazi is a Chemistry article available to read on EtoBox.

What is Photocatalytic Degradation of Toxic Phenolic Compound and Bacterial Inactivation by Ternary Li doped Zn 0.5 Ni 0.5 Fe 2 O 4 about?

Conventional methods are inefficient to treat water contaminated with persistent organic contaminants. To decontaminate bacteria and 2,4,5-trichlorophenol (TCP) contaminated water, a heterogeneous photocatalysis-based advanced oxidation process was applied in this study. A Li-doped ternary Zn 0.5 Ni 0.5 Fe 2 O 4 (ZNF) photocatalyst (Li/ZNF) was synthesized via a facile coprecipitation technique and characterized. The Li/ZNF has a sufficient specific surface area (69.8 m 2 .g À 1 ), and an appropriate bandgap of 2.89 eV. Under optimal conditions, 10 mg of Li/ZNF photocatalyst degraded 80 % of 50 mg L À 1 TCP in 6 h at pH 3 in the presence of 4 mM H 2 O 2 . After use, the Li/ZNF photocatalyst was magnetically separated and reused numerous times, with an efficiency of 66 % after the fifth reuse cycle. In the antibacterial time-kill assay, 15 and 25 mg of Li/ZNF inhibited 1 × 10 7 CFU.mL À 1 of S. Aureus and E. coli bacteria after 60 min of UV exposure, respectively.

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Author

Faisal Suleiman Mustafa; Akeem Adeyemi Oladipo; Mustafa Gazi

Publisher

Wiley

Published

2022

Language

EN

Field

Chemistry (Physical Sciences)