Insights into the Kinetics Degradation of Bisphenol A by Catalytic Wet Air Oxidation with Metals Supported onto Carbon Nanospheres

Emerging pollutants are an increasing problem in wastewater globally. Bisphenol A (BPA) is one compound belonging to this group. This work proposes the study of employment several metal-supported (2 wt. %) carbon nanospheres (CNS) for BPA degradation by catalytic wet-air oxidation. Several techniques were used catalyst characterization: thermogravimetry, X-ray diffractometry (XRD), Fourier transformed infrared spectrometry (FTIR), determination isoelectric point, elemental analysis, fluorescence (XRF), scanning electron microscopy (SEM), and N2 adsorption–desorption isotherms. Different loads Ru also tested (1, 2, 5, 7, 10%), being first minimum value achieve a conversion above 97% 90 min 2 % CNS-Ru catalyst. In stability test with CNS-Pt, CNS-Pt demonstrated less activity stability. Two potential models proposed adjust experimental data CNS-Ru(2%) at different conditions initial concentration, mass, temperature, pressure reaction. Both showed high coefficient (R2 > 0.98). Finally, efficiency was real hospital matrix obtaining better results CNS-Pt(2%)