CINDECA   05422
CENTRO DE INVESTIGACION Y DESARROLLO EN CIENCIAS APLICADAS "DR. JORGE J. RONCO"
Unidad Ejecutora - UE
artículos
Título:
Exhausted fluid catalytic cracking catalysts as raw materials for zeolite synthesis
Autor/es:
E. I. BASALDELLA; J. C. PALADINO; M. SOLARI; G. M. VALLE
Revista:
APPLIED CATALYSIS B-ENVIRONMENTAL
Editorial:
Elsevier
Referencias:
Año: 2006 vol. 66 p. 186 - 186
ISSN:
0926-3373
Resumen:
Abstract The utilization of exhausted fluid catalytic cracking (FCC) catalysts as raw materials for the zeolite synthesis was analyzed. Samples of the catalysts directly released from FCC units and the corresponding impact grinding pretreated samples were used. Mechanical treatment was observed to decrease catalyst crystallinity and particle size. The catalyst reactivity was analyzed in terms of conversion in zeolite and product properties. Hydrothermal synthesis experiments in NaOH medium were performed. Catalysts conversion in A and X type zeolites was obtained for treated and not treated samples. In particular, high conversion in NaX type were achieved using the more siliceous catalyst, whereas grinding activation produces a decrease of particle size and Al/Si ratio of the zeolites obtained.
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