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Título: Carbon nanotubes and xerogels as supports of well dispersed Pt catalysts for environmental applications
Autor: Gomes, Helder
Samant, Purnakala
Serp, Philippe
Kalck, Philippe
Figueiredo, José
Faria, Joaquim
Palavras-chave: Multi-walled carbon nanotubes (MWNT)
Carbon xerogels
Activated carbon
Carbon supported catalysts
Catalytic wet air oxidation (CWAO)
Issue Date: 2004
Editora: Elsevier
Citação: Gomes, Helder; Samant, Purnakala; Serp, Philippe; Kalck, Philippe; Figueiredo, José; Faria, Joaquim (2004) - Carbon nanotubes and xerogels as supports of well dispersed Pt catalysts for environmental applications. Applied Catalysis B: Environmental. ISSN 0926-3373. 54:3, p.175-182
Resumo: Different types of carbon materials including multi-walled nanotubes (MWNT), carbon xerogels (CX) and activated carbon (AC) were used as supports to prepare platinum catalysts (1% w/w), which were tested in the treatment of aqueous aniline solutions by catalytic wet air oxidation (CWAO). The prepared materials and catalysts were characterized by several techniques (SEM/EDS, TEM, N2 adsorption, TPD and H2 chemisorption). All catalysts presented a very high activity for the removal of aniline and total organic carbon (TOC). Catalyst activity and selectivity toward CO2 formation were found to depend on the nature of the support and concentration of oxygen containing functional groups on the surface of the materials.
Arbitragem científica: yes
ISSN: 0926-3373
Versão do Editor:
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