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Azo-dye orange II degradation by the heterogeneous Fenton-like process using a zeolite Y-Fe catalyst—Kinetics with a model based on the Fermi's equation
| Content Provider | Semantic Scholar |
|---|---|
| Author | Rache, Maryin L. García, Andrés Silva, Adrián M. T. Madeira, Luís M. Ramírez, J. Herney |
| Copyright Year | 2014 |
| Abstract | Abstract The degradation of Orange II dye (OII) by a heterogeneous Fenton-like process was studied using a catalyst with 5 wt.% of iron after ion-exchange in a Na–Y zeolite support. The catalyst was characterized by X-ray diffraction (XRD), N 2 adsorption, atomic absorption spectroscopy and X-ray fluorescence (XRF). The effect of the initial concentrations of H 2 O 2 and OII, pH and temperature on the degradation rate of OII was investigated by carrying out experiments in a batch reactor. The OII concentration histories (i.e., concentration evolution along reaction time) were described by a simple semi-empirical kinetic model, based on the Fermi's equation, which captures simultaneously the influence of all the reaction conditions with a few adjustable parameters. The adherence of the model to the data was remarkable, and the effect of the operating conditions on the obtained fitting parameters – apparent rate constant and transition time – was analyzed. |
| Starting Page | 192 |
| Ending Page | 200 |
| Page Count | 9 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/j.apcatb.2013.04.028 |
| Volume Number | 146 |
| Alternate Webpage(s) | https://repositorio-aberto.up.pt/bitstream/10216/104058/3/94357.1.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
