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Removal of diclofenac from water by zeolite- assisted advanced oxidation processes (CROSBI ID 229688)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Juretić Perišić, Daria ; Gilja, Vanja ; Novak Stankov, Mirjana ; Katančić, Zvonimir ; Kušić, Hrvoje ; Lavrenčič Štangar, Urška ; Dionysiou, Dionysios D. ; Lončarić Božić, Ana Removal of diclofenac from water by zeolite- assisted advanced oxidation processes // Journal of photochemistry and photobiology. A, Chemistry, 321 (2016), 238-247. doi: 10.1016/j.jphotochem.2016.01.030

Podaci o odgovornosti

Juretić Perišić, Daria ; Gilja, Vanja ; Novak Stankov, Mirjana ; Katančić, Zvonimir ; Kušić, Hrvoje ; Lavrenčič Štangar, Urška ; Dionysiou, Dionysios D. ; Lončarić Božić, Ana

engleski

Removal of diclofenac from water by zeolite- assisted advanced oxidation processes

The goal of the study was to evaluate the performance of zeolite-assisted advanced oxidation processes for the removal of diclofenac (DCF) in water matrix. Heterogeneous Fenton type catalyst (FeZSM5) was prepared by solid-state ion exchange and characterized by SEM/EDS and ICP/MS analyses. The uniform distribution of iron and atom economy was established. The influence of key operating parameters of applied UV- A/FeZSM5/H2O2 process on the activity of zeolite catalyst was investigated using statistical modeling. The results obtained revealed the contribution of adsorption and oxidative degradation to the overall treatment effectiveness, whereas the oxidation became dominant at the end of the treatment. UVA/FeZSM5/H2O2 process applied at optimal conditions determined within the investigated range (pH 4, [H2O2] = 50 mM and [Fe]FeZSM5 = 2.0 mM) resulted in significant improvement in biodegradability and lower toxicity after 2 h treatment of DCF aqueous solution. The used catalyst showed good stability and retained its catalytic activity in consecutive runs, which was documented by low iron leaching and similar consumption of oxidant in repetitive cycles.

Diclofenac ; FeZSM5 ; Biodegradability ; Toxicity ; Catalyst stability

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Podaci o izdanju

321

2016.

238-247

objavljeno

1010-6030

10.1016/j.jphotochem.2016.01.030

Povezanost rada

Kemija, Kemijsko inženjerstvo

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