INCAPE 05401
INSTITUTO DE INVESTIGACIONES EN CATALISIS Y PETROQUIMICA "ING. JOSE MIGUEL PARERA"
Unidad Ejecutora - UE
artículos
Título:
Influence of gallium on the properties of PtRe/Al2O3 naphtha reforming catalysts
Autor/es:
MARÍA ANA VICERICH; CATHERINE ESPECEL; VIVIANA MÓNICA BENITEZ; FLORENCE EPRON; CARLOS LUIS PIECK
Revista:
APPLIED CATALYSIS A-GENERAL
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Año: 2011 vol. 407 p. 49 - 55
ISSN:
0926-860X
Resumen:
The influence of gallium on the properties of PtRe/Al2O3 catalysts used in naphtha reforming was studied.
The catalysts were prepared by the coimpregnation method. It was found that the addition of gallium
to the PtRe/Al2O3 catalyst diminishes its acidity (Bronsted and Lewis). It also produces an inhibition of
the metal function, i.e. dehydrogenation and hydrogenolysis activity. Activity tests for n-C5 isomerization
showed that gallium addition decreases the total activity of the PtRe catalyst but increases its selectivity
to i-C5 isomers. The selectivity to low value light gases (C1C3) is particularly decreased. Catalytic tests
for n-C7 reforming showed that addition of gallium increases both catalyst stability and selectivity to
aromatics, and decreases the production of light gases.2O3 catalysts used in naphtha reforming was studied.
The catalysts were prepared by the coimpregnation method. It was found that the addition of gallium
to the PtRe/Al2O3 catalyst diminishes its acidity (Bronsted and Lewis). It also produces an inhibition of
the metal function, i.e. dehydrogenation and hydrogenolysis activity. Activity tests for n-C5 isomerization
showed that gallium addition decreases the total activity of the PtRe catalyst but increases its selectivity
to i-C5 isomers. The selectivity to low value light gases (C1C3) is particularly decreased. Catalytic tests
for n-C7 reforming showed that addition of gallium increases both catalyst stability and selectivity to
aromatics, and decreases the production of light gases.2O3 catalyst diminishes its acidity (Bronsted and Lewis). It also produces an inhibition of
the metal function, i.e. dehydrogenation and hydrogenolysis activity. Activity tests for n-C5 isomerization
showed that gallium addition decreases the total activity of the PtRe catalyst but increases its selectivity
to i-C5 isomers. The selectivity to low value light gases (C1C3) is particularly decreased. Catalytic tests
for n-C7 reforming showed that addition of gallium increases both catalyst stability and selectivity to
aromatics, and decreases the production of light gases.n-C5 isomerization
showed that gallium addition decreases the total activity of the PtRe catalyst but increases its selectivity
to i-C5 isomers. The selectivity to low value light gases (C1C3) is particularly decreased. Catalytic tests
for n-C7 reforming showed that addition of gallium increases both catalyst stability and selectivity to
aromatics, and decreases the production of light gases.i-C5 isomers. The selectivity to low value light gases (C1C3) is particularly decreased. Catalytic tests
for n-C7 reforming showed that addition of gallium increases both catalyst stability and selectivity to
aromatics, and decreases the production of light gases.n-C7 reforming showed that addition of gallium increases both catalyst stability and selectivity to
aromatics, and decreases the production of light gases.
