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The role of Brønsted acidity and porosity for the etherification of glycerol with tert-butanol was studied by modifying the surface and acidic characteristics of three commercial Na-zeolites (mordenite, beta and ZSM-5) by protonation, dealumination, desilication-protonation, lanthanum-exchange and fluorination. Catalytic results can be related to the amount and strength of Brønsted acid sites together...
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