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AlCl 3 -promoted MCM-41-supported platinum catalysts with different Al–Pt interaction sequences were prepared for tetralin hydrogenation under sulfur-containing condition. Platinum dispersion and acidity of the catalysts were improved by the introduction of aluminum. The aluminum-containing catalysts have similar acidity. Al–Pt interaction leads to the formation of electron-deficient platinum...
AlCl3-promoted MCM-41-supported Pt catalysts with different Al/Pt mole ratios (0, 1, 2, 4, 8) were prepared for tetralin (THN) hydrogenation. Py-FTIR results show that the acid amount of catalysts increases with the increase of Al/Pt ratio. XRD, TEM and CO-FTIR results indicate that platinum dispersion changes with Al/Pt ratio and is highest at Al/Pt = 2. The specific rate constant of THN hydrogenation...
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