Hydrogenation of nitrate in water over bimetallic Pd-Ag/Al2O3 catalysts |
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| Authors: | Izabela Wito&#;ska Stanis&#;aw Karski and Joanna Go&#;uchowska |
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| Institution: | (1) Institute of General and Ecological Chemistry, Technical University of Lodz, ul. Żeromskiego 116, 90-924 Lodz, Poland |
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| Abstract: | Hydrogenation of nitrate (NO3
−) in water was studied with 0.8 ×10−3–3.2 ×10−3 mol/dm3 of reactant in the temperature range of 293–313 K over palladium promoted Ag catalysts. Pd-Ag catalysts with a low ratio
of Ag/Pd were characterized by high efficiency in the reduction of nitrates. The degradation of nitrates followed approximately
first order decay and the estimated apparent activation energy was about 4 kJ/mol. |
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| Keywords: | Pd-Ag/Al2O3 nitrate reduction |
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