Azo dyes 4 Prussian Blue nanoparticles 4 Prussian blue nanoparticles 4 ACTIVATED CARBON 3 ALUMINA 3 CARBON ACTIVADO 3 EFLUENTE TEXTIL 3 FENTON HOMOGENEA 3 FOTO-FENTON-SOLAR 3 HETEROGENEOUS FENTON-LIKE OXIDATION 3 HOMOGENEOUS FENTON 3 NANOPARTICULAS DE AZUL DE PRUSIA 3 ORANGE G 3 OXIDACION TIPO-FENTON HETEROGENEA 3 PRUSSIAN BLUE NANOPARTICLES 3 SOLAR-PHOTO-FENTON 3 TEXTILE WASTEWATER 3 Alumina 2 Article 2 Azo dye 2 Catalysts 2 Fenton reaction 2 Fenton type oxidation 2 Fourier transform infrared spectroscopy 2 Heterogeneous Fenton-like oxidation 2 Heterogeneous Fenton-type oxidation 2 Heterogeneous fenton 2 Hierarchically structured porous materials 2 Impregnation 2 Nanoparticles 2