Heterogeneous catalysis : theory and experiment

Tematyka Badawcza

Research Topics

  • Kinetics of reduction of oxides on supports
  • Catalysts for methanol synthesis.
  • Oxidative dehydrogenation of C2-C4 alkanes on mixed oxide catalysts.
  • Catalytic combustion of volatile organic compounds, also chlorinated and nitrogenated
  • Selective catalytic reduction of NOx with ammonia and hydrocarbons
  • Preparation and physicochemical characterization of catalysts for environmental protection
  • Catalytic Oxidation of Soot
  • kinetics of oxide reduction on carriers
  • synthesis and modification of zeolites using ions, metals, oxides and heteropolylic acids
  • desilication, dealumination and realimination of zeolites
  • activation of small molecules (O2, CO2, CH4)

METHODS

  • Kinetic measurements with differential flow reactor, pulse method and gravimetric analysis using vacuum microbalance.
  • X-ray diffraction, XPS spectroscopy, TPD, TPR, mass-spectrometry
  • Computer simulation for modeling of reaction kinetics.
  • X-ray diffraction, XPS spectroscopy, thermoprogrammed desorption (TPD), thermoprogrammed reduction (TPR), thermoprogrammed oxidation (TPO), mass spectrometry, electron microscopy, low-temperature nitrogen sorption, nuclear magnetic resonance spectroscopy, IR spectroscopy, in situ IR catalytic reaction monitoring
  • electron microscopy

MAIN ACHIEVEMENTS

  • Formulation of a new kinetic model of autocatalytic reaction; application of this model to the reduction of oxide systems.
  • Formulation of a model for the adsorption of the reactants in the methanol synthesis on the catalyst used in this reaction.
  • Elucidation of the role of alkali metal promotors of the V205/Ti02 catalysts on kinetics of reduction and efficiency in the reaction of oxidative dehydrogenation of propane.
  • Formulation of kinetic models for propane oxidative dehydrogenation over V205/Ti02 catalysts.
  • Experimental confirmation that the structure of vanadia monolayer on anatase is independent of the preparation method, structure and modification of Ti02
  • explanation of the influence of the crystalline phase of the carrier on the activity of the Cu/ZrO2 catalyst in the hydrogenation reaction of CO2 to methanol
  • Preparation and introduction into industrial practice of the mixed oxide catalyst for combustion of oxygenated and nitrogenated organic compounds.