Experimental Microkinetic Approach of De-NOx by NH3 on V2O5/WO3/TiO2 Catalysts. 4. Individual Heats of Adsorption of Adsorbed H2O Species on Sulfate-Free and Sulfated TiO2 Supports
العنوان: | Experimental Microkinetic Approach of De-NOx by NH3 on V2O5/WO3/TiO2 Catalysts. 4. Individual Heats of Adsorption of Adsorbed H2O Species on Sulfate-Free and Sulfated TiO2 Supports |
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المؤلفون: | Sébastien Gros, Nolven Guilhaume, Christophe Geantet, Lynda Porcheron, Mohamed Kanniche, Julien Couble, François Giraud, Eric Puzenat, Daniel Bianchi |
المصدر: | The Journal of Physical Chemistry C. 119:16089-16105 |
بيانات النشر: | American Chemical Society (ACS), 2015. |
سنة النشر: | 2015 |
مصطلحات موضوعية: | Hydrogen, Inorganic chemistry, Analytical chemistry, Infrared spectroscopy, chemistry.chemical_element, Selective catalytic reduction, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Catalysis, chemistry.chemical_compound, General Energy, Adsorption, chemistry, Isobaric process, Physical and Theoretical Chemistry, Sulfate, NOx |
الوصف: | The present study is a part of an experimental microkinetic approach of the removal of NOx from coal-fired power plants by reduction with NH3 on V2O5/WO3/TiO2 catalysts (NH3-selective catalytic reduction, NH3-SCR). It is dedicated to the characterization of the heats of adsorption of molecularly adsorbed H2Oads species formed on sulfate-free and sulfated TiO2 supports. Water, which is always present during the NH3-SCR, may be in competition and/or react (formation of NH4+) with the adsorbed NH3 species controlling the coverage of the adsorbed intermediate species of the reaction. Mainly, an original experimental procedure named adsorption equilibrium infrared spectroscopy (AEIR) previously used for the adsorption of NH3 species on the same solids is adapted for the adsorption of H2O. At T-a = 300 K and for P-H2O |
تدمد: | 1932-7455 1932-7447 |
URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::13116254ae78d327ec80ede9ba0c7a14 https://doi.org/10.1021/acs.jpcc.5b04147 |
رقم الأكسشن: | edsair.doi...........13116254ae78d327ec80ede9ba0c7a14 |
قاعدة البيانات: | OpenAIRE |
تدمد: | 19327455 19327447 |
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