Environmental friendly and highly regioselective oxybromination in an aqueous system using SBA-15 supported sulfated zirconia catalyst

Physics & Astronomy

• zirconium oxides 86%
• catalysts 78%
• bromination 51%
• catalytic activity 19%
• silicon dioxide 17%
• organic chemistry 12%
• ammonium bromides 11%
• aromatic compounds 11%
• bromine 9%
• hydrogen peroxide 9%
• roasting 8%
• sulfates 8%
• high strength 7%
• availability 7%
• selectivity 7%
• aqueous solutions 7%
• acids 6%
• manufacturing 6%
• temperature 4%
• performance 3%
• electrons 3%

Engineering & Materials Science

• Zirconia 100%
• Catalysts 71%
• Silica 23%
• Catalyst activity 19%
• Organic Chemistry 13%
• Aromatic compounds 11%
• Bromine 11%
• Catalyst selectivity 11%
• Oxidation-Reduction 10%
• Hydrogen peroxide 9%
• Calcination 9%
• Sulfates 8%
• Electrons 7%
• Acids 6%
• Temperature 6%
• Availability 5%

Chemical Compounds

• Catalyst 35%
• Elemental Bromine 14%
• Meso Porosity 13%
• Neutral Condition 9%
• Ammonium Bromide 9%
• Calcination Temperature 8%
• Aromatic Compound 8%
• Hydrogen Peroxide 6%
• Toxic 6%
• Sulfate 6%
• Strength 5%
• Chemistry 4%
• Aqueous Solution 4%
• Time 3%
• Acid 2%