FIELD: chemistry.
SUBSTANCE: invention relates to a catalytic composition for treatment of exhaust gases. Composition is a composition based on oxides of zirconium, cerium, niobium and tin with a weight content of cerium oxide 5–50 %, niobium oxide – 5–20 %, tin oxide – 1–10 % and with zirconium oxide content making up the balance.
EFFECT: obtaining catalysts that are more effective for the catalysis of SCR and have improved reducing capability and / or acidity.
20 cl, 1 dwg, 4 tbl, 7 ex
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Year |
Author |
Number |
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2011 |
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|
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