Catalytic Removal of NOx from Gas Mixtures Simulating Emissions from the Combustion of Biofuels |
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| Authors: | A Kalantar Neyestanaki F Klingstedt and L-E Lindfors |
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| Institution: | (1) Laboratory of Industrial Chemistry and Reaction Engineering, Process Chemistry Centre, ?bo Akademi University, 20500 Turku, Finland;(2) Faculty of Chemical Technology, Department of Physical Chemistry, University of Pardubice, Nam. Cs. Legii 565, 532 10 Pardubice, Czech Republic |
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| Abstract: | The activity of knitted silica-fibre supported Pd, Pt, Pt-Ni, Pd-Ni and Pd-Pt-Ni catalysts as well as Pd based H-ZSM-5 and H-ZSM-35 catalysts was studied in the conversion of gas mixtures containing 200 ppm CH4, 2500 ppm CO, 500 ppm pyridine (or 500 ppm NO), 10 vol.% O2 (or 0.155 vol.% O2), 12 vol.% CO2, 12 vol.% H2O, balanced with He at GHSV of 60000 h–1. Pyridine was found to inhibit both CO and CH4 oxidation. IR studies indicated that NO adsorbed on Pd2+ is the principal adsorbed species on the Pd/HZSM-5 catalyst. |
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| Keywords: | Biofuels nitrogen oxides methane |
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