Photo-assisted ozonation of cefuroxime with solar radiation in a CPC pilot plant. Kinetic parameters determination

نویسندگان

چکیده

The combination of ozone and solar radiation can be considered an effective technology as advanced oxidation process, AOP, for addressing the removal harmful contaminants emerging concern in water. Cefuroxime is example antibiotic whose presence may result a problem if not conveniently removed from has been performed employing photolytic ozonation autonomous pilot plant, consisting collector photo-reactor with feeding, panel cells, batteries energy demands. Firstly, kinetics cefuroxime deeply studied agitation cell reactor. stoichiometric ratio was estimated zO3 = 1.00 ± 0.06 (O3 mol per mol) second-order rate constant range 1.50 × 106 – 4.69 M−1 s−1 non-dissociated dissociated, respectively, molecule. intermediates identified included hydroxylation initial molecule, attack to secondary amide group bi-substituted sulfide position. Secondly, simultaneous application CPC plant enhanced degradation cefuroxime. reactor simulated importance hydroxyl radical over photolysis confirmed, 55% HO• contribution. Also, mineralization observed during wastewater matrix whereas single only able partially oxidize organic content short acids (formic, acetic, oxalic) that were accumulated

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ژورنال

عنوان ژورنال: Separation and Purification Technology

سال: 2021

ISSN: ['1873-3794', '1383-5866']

DOI: https://doi.org/10.1016/j.seppur.2021.118514