Mesoporous structure, surface acidity and catalytic properties of Pt/Zr-MCM-41 catalysts promoted with 12-tungstophosphoric acid

Ingeniería y ciencia de los materiales

• Acidity 99%
• Multicarrier modulation 91%
• Acids 65%
• Catalysts 61%
• Molecular sieves 52%
• Butane 47%
• Heptane 45%
• Molar ratio 43%
• Adsorption 35%
• Pyridine 29%
• Nuclear magnetic resonance spectroscopy 27%
• Isomerization 26%
• Catalyst supports 23%
• Calcination 23%
• Isotherms 21%
• Zeolites 21%
• Impregnation 21%
• Desorption 20%
• Propane 20%
• Spectroscopy 20%
• Crystalline materials 19%
• Transmission electron microscopy 18%
• X ray diffraction 17%
• Geometry 10%
• Temperature 7%

Física y astronomía

• acidity 100%
• butanes 67%
• catalysts 67%
• acids 65%
• products 46%
• absorbents 45%
• heptanes 44%
• adsorption 27%
• pyridines 22%
• isomerization 21%
• propane 20%
• zeolites 20%
• roasting 20%
• regularity 18%
• isotherms 17%
• selectivity 17%
• desorption 15%
• nuclear magnetic resonance 14%
• transmission electron microscopy 11%
• geometry 10%
• diffraction 9%
• spectroscopy 9%
• x rays 8%
• temperature 5%

Química

• Surface Acidity 86%
• Catalyst Property 63%
• Meso Porosity 56%
• Molecular Sieve 48%
• Catalyst 30%
• 29Si MAS NMR 30%
• MAS NMR Spectroscopy 29%
• Isobutane 29%
• Butane 27%
• Adsorption and Desorption Isotherm 26%
• Acid 25%
• Product Distribution 25%
• Propane 23%
• Impregnation 20%
• Calcination 20%
• Isomerization 19%
• Time 17%
• Pyridine 17%
• Fourier Transform Infrared Spectroscopy 13%
• Crystal Structure 12%
• X-Ray Diffraction 11%
• Adsorption 11%
• Surface 7%