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catalytic reduction Applications

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    Gas monitoring instruments and systems for nitric acid process

    Modern production method of nitric acid production may lead to generation of several different gaseous emission components, such as nitrogen oxides (NOx), ammonia NH3 and nitrous oxide N2O. Nitrogen monoxide is an intermediate gaseous product in manufacturing of nitric acid HNO3. NO is formed in a catalytic reaction between ammonia and molecular oxygen O2. But undesirable side reactions may result in formation of nitrogen dioxide NO2 and nitrous oxide N2O. The NO and NO2 emissions can be reduced by use of Selective...

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Monitoring solutions for the De-NOx plants

    In recent years the number of Selective Catalytic Reduction (SCR) and Selective Non-Catalytic Reduction (SNCR) plants for De-NOx have increased significantly. Continuous analysis of NOx prior to the de-NOx plant is often required to measure the concentration generated by the combustion process. This may be required to provide feed-forward to the Ammonia/Urea injection system and also to allow the effectiveness of the reduction process to be assessed. Continuous analysis of NOx post-reduction is required to allow...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Other possible application of iron nanoparticles

    Beside unexceptionable reduction properties, the nanoparticles of zero-valent iron also exhibit excellent catalytic, magnetic (strong ferromagnetic material) and mechanical properties due to which they could be, for example, used as: a catalyst in Fischer-Tropsch synthesis of hydrocarbons, in the production of carbon nanotubes, in petrochemistry, in the production of magnetic fluids, catalytic paint in combination of other noble metals, or as an admixture in powder metallurgy.

    By NANO IRON s.r.o. based in Rajhrad, CZECH REPUBLIC.

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