Browsing by Author "Lima, Ana M.F."
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- Wet peroxide oxidation of paracetamol using carbon-coated spinel ferrite nanoparticles as catalystPublication . Gomes, Helder; Dias, Arnaldo; Silva, Adriano S.; Roman, Fernanda; Silva, Ana P. F.; Lima, Ana M.F.; Díaz de Tuesta, Jose LuisIn this study, carbon-based magnetic nanoparticles (MNPs) have been prepared by sucessive sol-gel method for core bare preparation and carbon coated through polymerization of phloroglucinol/glyoxylic acid, which are greener carbon precursors than the conventional method of resorcinol/formaldehyde (R/F), since formaldehyde is known to be a carcinogenic reagent. The bare core (CoFe2O4) and the carbon-coated MNPs (CoFe2O4@C) were tested as catalysts in the removal of paracetamol (PCM) from an aqueous solution by catalytic wet peroxide oxidation under optimum operational conditions, pH 3.5 and 80 °C. Values of paracetamol abatment between 33.0 and 100% were achieved after 6 h of reaction for the bare core and the carbon-based MNPs, respectively.