Roles of oxygen defects and surface acidity of Keggin-type phosphotungstic acid dispersed on SBA-15 catalysts in the oxidation of 4,6-dimethyldibenzothiophene

Engineering & Materials Science

• Acidity 99%
• Acids 65%
• Adsorption 17%
• Atoms 18%
• Calcination 23%
• Catalyst activity 22%
• Catalysts 61%
• Defects 49%
• Dehydration 22%
• Electrons 18%
• Oxidants 23%
• Oxidation 63%
• Oxygen 58%
• Sulfur 17%
• Surface defects 21%
• Temperature 14%

Physics & Astronomy

• acidity 100%
• acids 65%
• adsorption 13%
• atoms 9%
• catalysts 67%
• catalytic activity 23%
• cleavage 18%
• defects 40%
• dehydration 22%
• electrons 7%
• oxidation 53%
• oxygen 43%
• roasting 20%
• sulfones 26%
• sulfur 17%
• surface defects 19%
• temperature 10%

Chemistry

• Acid 25%
• Adsorption 8%
• Amount 7%
• Calcination Temperature 17%
• Catalyst 30%
• Cleavage 12%
• Dehydration 15%
• Dehydroxylation 23%
• Dioxygen 35%
• Electron Particle 9%
• Meso Porosity 14%
• Oxidation Reaction 32%
• Sulfone 17%
• Sulfur Atom 17%
• Surface Acidity 86%