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Resumo(s)
Hybrid magnetic graphitic nanocomposites (MGNC) prepared by
inclusion of magnetite nanoparticles (obtained by coprecipitation)
into an organic-organic self-assembly system,
followed by calcination, revealed high activity for the catalytic
wet peroxide oxidation (CWPO) of 4-nitrophenol solutions
(5 g L-l), with pollutant removais up to 1245 mg g-' h-l being
obtained when considering the mass ratio
[pollutant]/[catalyst] =10. The stability of the MGNC catalyst
against metal leaching was ascribed to the confinement effect of
the carbon based material. These observations, together with the
magnetically recoverable characteristics of MGNC, open new
prospects for the wide use of this catalyst in highly efficient
CWPO applications.
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Contexto Educativo
Citação
Ribeiro, Rui; Silva, Adrián; Figueiredo, José; Faria, Joaquim; Gomes, Helder (2017). Hybrid magnetic graphitic nanocomposites for catalytic wet peroxide oxidation applications. In European Conference on Environmental Applications of Advanced Oxidation Processes. Atenas