Abstract
Mass transfer in honeycomb monolith catalysts has been theoretically and experimentally studied by methods of computational hydrodynamics and NMR tomography. Theoretical estimates have been obtained for optimum parameters of processes employing honeycomb monolith catalysts. Newly developed catalysts for selective ammonia oxidation have provided a technological basis for nitrous oxide production with a selectivity of 85–88%, and a pilot plant using these catalysts has been designed. Methods of mathematical description have been developed for catalytic processes in fibrous materials, and the potential of these materials in soot aerosol removal from waste gas has been demonstrated. Principles of structuring of granular catalyst beds have been developed through theoretical analysis and experimentation. Results of commercial-scale application of structured beds in tubular and adiabatic reactors are presented.
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