The stability of niobium-silica catalysts in repeated liquid-phase epoxidation tests: A comparative evaluation of in-framework and grafted mixed oxides

Keyphrases

• Silica 100%
• Niobium-silica Catalyst 100%
• Mixed Oxides 100%
• Liquid Phase Epoxidation 100%
• Vaporized Hydrogen Peroxide 66%
• Niobium 66%
• Nb2O5 66%
• Epoxidation 33%
• Silica Matrix 33%
• Alkenes 33%
• Silica Support 33%
• Post-synthesis 33%
• Limonene 33%
• Epoxidation Reaction 33%
• Dichlorides 33%
• Niobocene 33%
• Epoxidation Catalyst 33%
• Nb(V) 33%
• Silica Catalyst 33%
• Coordination State 33%
• Co-precipitation Synthesis 33%
• Precipitation Type 33%
• Distribution State 33%
• Repeated-batch 33%
• Recovery Test 33%
• Regeneration Study 33%

Material Science

• Silicon Dioxide 100%
• Oxide Compound 100%
• Epoxidation 100%
• Niobium 100%
• Coprecipitation 60%
• Hydrogen Peroxide 40%

Chemical Engineering

• Coprecipitation 100%
• Hydrogen Peroxide 66%
• Olefin 33%