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- W2175415481 abstract "Amorphous chromia has previously been found to be an active catalyst for the selective reduction of nitric oxide with ammonia in the presence of excess oxygen (Curry-Hyde and Baiker, 1990). For temperatures below 150(degree)C, amorphous chromia shows a high selectivity to N{2} formation and low NH{3} oxidation tendencies. At temperatures above this, increasing amounts of N{2}0 are produced. Isotopic product distributions determined using {15}N-labelled NO and {14}NH{3} reveal that {14}N{15}NO is the dominant form of nitrous oxide produced over amorphous chromia at 195(degree)C. In contrast, crystalline chromia (αCr{2}0{3}) facilitates the non-selective oxidation of ammonia and produces significant amounts of nitrous oxide (≈70%). It has also been demonstrated that ammonia oxidation to N{2} ({14}N{2}) is the dominant non-selective reaction over crystalline chromia." @default.
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- W2175415481 date "1992-01-01" @default.
- W2175415481 modified "2023-09-24" @default.
- W2175415481 title "Selective Catalytic Reduction of Nitric Oxide over Amorphous and Crystalline Chromia" @default.
- W2175415481 hasPublicationYear "1992" @default.
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