Wet peroxide oxidation of paracetamol using Fe/Co-pillared clay catalysts prepared from natural clays
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This work deals with the catalytic wet peroxide oxidation of paracetamol, considered as model emerging pollutant, using as catalysts low-cost materials based on pillared clays prepared from natural clays. Pillared clays were prepared successfully through a pillaring solution containing cobalt and iron. The prepared clays allow to remove completely the pollutant after 8 h of reaction at 80 ºC, initial pH 3.5, Ccatalyst = 2.5 g L-1, Cpollutant = 100 mg L-1 and CH2O2 = 472 mg L-1, whereas in the non-catalytic run only 20% removal of pollutant was obtained after 24 h at the same operating conditions.
This work was financially supported by project “VALORCOMP - Valorización de compost y otros
desechos procedentes de la fracción orgánica de los residuos municipales”,
0119_VALORCOMP_2_P, and project “AIProcMat@N2020 - Advanced Industrial Processes and
Materials for a Sustainable Northern Region of Portugal 2020”, reference NORTE-01-0145-FEDER-
000006, supported by NORTE 2020, under the Portugal 2020 Partnership Agreement, through
FEDER, and Project Associate Laboratory LSRE-LCM - UID/EQU/50020/2019 - funded by national
funds through FCT/MCTES (PIDDAC).
