Influence of lanthanum exchange on the catalytic properties of HY zeolite in cyclohexene transformation |
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| Authors: | A Mendes J Caeiro and F Ramoa Ribeiro |
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| Institution: | (1) Petrogal, Refinaria de Lisboa, Av. Infante D. Henrique, 1800 Lisboa, Portugal;(2) Grupo de Estudos de Catálise-Heterogénea, Instituto Superior Técnico, Av. Rovisco Pais, 1096 Lisboa Codex, Portugal |
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| Abstract: | Cyclohexene transformation was used as test reaction to study the effect of lanthanum exchange on the catalytic behavior of HY zeolite cracking catalysts. Lanthanum has an overall positive effect increasing both acitivity and stability of HY zeolite and maximum selectivity towards isomerization products is obtained at higher conversion.
                        HY.     ,  ,  HY.   .
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