INTEQUI 20941
INSTITUTO DE INVESTIGACIONES EN TECNOLOGIA QUIMICA
Unidad Ejecutora - UE
artículos
Título:
NO Influence on Catalytic Soot Combustion:Lithium Nitrate and Gold Catalysis
Autor/es:
RUIZ MARIA L; LICK ILEANA; LEGIZAMON MARIA S.; PONZI MARTA ISABEL; RODRIGUEZ CASTELLON ENRIQUE; PONZI ESTHER
Revista:
INDUSTRIAL & ENGINEERING CHEMICAL RESEARCH
Editorial:
AMER CHEMICAL SOC
Referencias:
Lugar: Texas; Año: 2011
ISSN:
0888-5885
Resumen:
The Diesel soot combustion was studied using catalysts prepared by impregnation with lithium
nitrate and/or gold on zirconium oxide (ZrO2), hydrated zirconium oxide and silica (SiO2).
Catalysts were characterized by elemental analysis, atomic absorption spectrophotometry, XRD,
FTIR, TEM and XPS. Measurements of catalytic activity were performed in a fixed bed reactor
with a NO/O2 feed. The NO reacts with the Li2O generating in situ lithium nitrate that
participates in the oxidation of diesel soot and accelerates the reaction rate. All catalysts
containing lithium nitrate exhibit a good activity for soot oxidation and the gold addition
substantially increases selectivity to CO2.
