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IM-5 series zeolites (I-xat-0.05TPABr) were prepared by treating the pristine IM-5 zeolites in a mixed solution of NaOH and TPABr (tetrapropylammonium bromide) with different NaOH concentrations (CNaOH). It was found the porosity and acidity of modified IM-5 zeolite changed obviously with CNaOH. When used for alkylation of benzene with ethanol, the modified I-xat-0.05TPABr exhibited better reaction...
Hierarchical ZSM-11 zeolites (Z-xat) were prepared by treating the pristine ZSM-11 zeolite in a solution of NaOH with different concentrations (CNaOH). It was found the porosity and acidity (concentration, strength, distribution and accessibility factor of Brønsted and Lewis acid sites) of modified ZSM-11 zeolite changed obviously with CNaOH. When used for alkylation of benzene with dimethyl ether,...
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