Abstract
Abstract The catalytic wet oxidation of paracetamol (PAR) was tested with Pt, Ru, Ir containing Ti monoliths measuring COD, TOC and TN conversion and compared with that of the non-catalytic reaction. The decrease of PAR concentration during reaction was followed by UV–vis spectrometry also. The catalysts were characterized by XPS, PGAA, TPR and SEM-EDX. The monometallic Pt and Ru/Ti catalysts were the most active, even below 150 °C. RuO 2 /Ti had the highest specific activity. After 100 h reaction time the Pt loss was 23%, while the RuO 2 /Ti kept its Ru content. The RuO 2 /TiO 2 composite formation explains the highest activity and stability.
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