Surface of carbon nanotubes for wet peroxide oxidation
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abstract
Catalytic wet peroxide oxidation (CWPO) is regarded as a potential solution for the treatment of aqueous
effluents containing recalcitrant and toxic organic pollutants, difficult to remove by conventional
biological processes, mainly if present at high concentrations (1-10 g L-1) [1]. In a recent study, three
magnetic carbon nanotube (CNT) samples, named E30 (undoped), A30 (completely N-doped) and
E10A20 (partially N-doped), were synthesized by chemical vapor deposition and tested in the CWPO
process, finding that N-doped hydrophilic surfaces promoted the fast decomposition of H2O2 into nonreactive
species (H2O and O2), hindering CWPO [2].
