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05.05.2020 - 05.05.2020 in Online

Webinar: Texture Of Heterogenous Catalysts: Surface Area and Porosity

24.04.2020
Veranstaltungsort: Online
Heterogeneous catalysis enables faster, large-scale production and selective product formation. Approximately 35% of the world's GDP is influenced by catalysis. The production of 90% of chemicals (by volume) is assisted by solid catalysts. The chemical and energy industries rely heavily on heterogeneous catalysis. For example, the Haber-Bosch process uses metal-based catalysts in the synthesis of ammonia, an important component in fertilizer; 144 million tons of ammonia were produced in 2016.

The catalytic steam reforming of methane produces 48% of worldwide hydrogen. A catalyst can be defined in many ways but generally it is a substance that, when added in the balance of a chemical reaction, accelerates the achievement of the chemical equilibrium between reactants and products without influencing the thermodynamic equilibrium of the process. Catalysts are not consumed during the reaction but are submitted to a slow transformation with use, causing a general decrease of the activity and/or selectivity. For these reasons the basic characterization of catalysts is of fundamental importance to control the production quality, to evaluate their lifetime and/or possible regeneration and to forecast the catalytic behavior and performance.

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