Novel Fe(III)-Al2O3 nanocomposite as Fenton-like catalyst for the CWHPO of phenolic wastewaters

CARLA DI LUCA; FERNANDO IVORRA; PAOLA MASSA; ROSA FENOGLIO

Barcelona

Congreso; 13th Mediterranean Congress of Chemical Engineering; 2014

SEQUI (Sociedad Española de Química Industrial)

The addition of ferric species during the synthesis of alumina through a sol?gel process by evaporation-induced self-assembly (EISA) was studied. The resulting catalytic materials were calcined at different temperatures and were tested in the catalytic wet hydrogen peroxide oxidation of phenol solutions as model effluent. The optimal catalytic properties were achieved with the catalyst prepared from ferric chloride and calcined at 700 ºC. After 3 h of reaction time, the mineralization levels were of 80% and the final leached iron was 1.9 ppm (~ 4% of the total initial Fe load). Fe(III)-Al2O3 nanocomposites prepared by EISA methodology showed good structural properties and a promising catalytic performance (activity and stability) for the mineralization of organic wastewaters.