Journal
CATALYSIS LETTERS
Volume 141, Issue 10, Pages 1569-1579Publisher
SPRINGER
DOI: 10.1007/s10562-011-0667-2
Keywords
Toluene disproportionation; p-Xylene yield; Metal oxide modifiers; ZSM5; Monoliths
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Monoliths washcoated with ZSM5 and metal oxide (MgO, CaO, La(2)O(3) or CeO(2)) modified ZSM5 were prepared, characterized and studied for toluene disproportionation. An improvement in the yield of the desired p-xylene isomer was obtained by using monoliths coated with metal oxide-modified ZSM5. The enhancement in p-xylene yield depended on the type of modifier, metal loading and the washcoat thickness on the monolith. The 10% LaZSM5 coated monolith having an average washcoat thickness of 23 mu m showed the highest p-xylene yield.
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