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The role of catalyst acidity and porosity was studied for the isomerization of linoleic acid by testing two commercial Na-zeolites (mordenite and ZSM-5) and their acid modified forms (H+, Ni2+) obtained by cation exchange. Conversion of linoleic acid increased in the presence of higher amounts of weak-moderate acid centres (Brønsted and Lewis) together with a higher accessibility of the acid sites...
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