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Effect of different acidity modifications on the activity and selectivity on H-ZSM5 zeolites in n-butene isomerization
H-ZSM-5 was modified by silylation [tetraethylorthosilicate (TEOS) and triaminopropyltriethoxysilane], alkali (NaOH), acid (HCl) and ammoniumhexafluorosilicate (AHFS) treatments. The parent and modified zeolite forms were ...
Isomerisation of α-pinene over Beta zeolites synthesised by different methods
Liquid-phase α-pinene isomerisation at l00°C in a batch reactor is studied over Beta zeolites synthesised by different methods. It is confirmed that α-pinene forms a carbenium ion in an acidic environment, which rearranges ...