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Keywords:

  • alkene metathesis;
  • aluminosilicates;
  • Keggin heteropolyacids;
  • molybdenum;
  • sol–gel processes
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Aerosol processing coupled with surfactant-templated sol–gel synthesis is used to produce MoO3-SiO2-Al2O3 catalysts. By quenching the sol–gel kinetics by fast drying of the aerosol, molecular-scale dispersion of each component is achieved. The structuring agent generates an organized porosity at the nanoscale. The catalysts have a high specific surface area and outstanding olefin metathesis activity.