Magnetically-separable Fe3O4@SiO2@SO4-ZrO2 core-shell nanoparticle catalysts for propanoic acid esterification

Engineering & Materials Science

• Core shell nanoparticles 100%
• Esterification 77%
• SiO2 nanoparticles 56%
• Acids 49%
• Catalysts 46%
• Zirconia 43%
• Nanoparticles 35%
• Magnetite nanoparticles 32%
• Magnetic separation 25%
• Zirconium 22%
• Protective coatings 22%
• Sulfates 20%
• Methanol 18%
• Coatings 13%

Physics & Astronomy

• catalysts 50%
• acids 48%
• nanoparticles 36%
• zirconium oxides 22%
• sulfation 18%
• ammonium sulfates 16%
• protective coatings 13%
• magnetite 12%
• methyl alcohol 11%
• adjusting 8%
• coatings 7%

Chemistry

• Esterification 49%
• Acid Catalyst 27%
• Nanoparticle 27%
• Catalyst 22%
• Acid 18%
• Coating Agent 16%
• Magnetite Nanoparticle 16%
• Magnetic Separation 16%
• Ammonium Sulfate 13%
• Nanosphere 13%
• Protective 11%
• Methanol 8%