| 摘要 |
This invention relates to a process for the conversion of nitrous oxide (N2O ) to nitrogen and oxygen comprising contacting N2O with a supported catalyst comprising iron and, optionally, certain other metals wherein the catalyst i s prepared by the steps of: (a) preparing a paste comprising contacting zirconium hydroxide with a solution of an iron salt and a zirconium salt, optionally in the presence of binders and lubricants; (b) forming a shaped particle from the step (a) paste; (c) drying the step (b) shaped particle; ( d) calcining the dried step (c) shaped particle at a temperature of at least 40 0 ~C; and (e) optionally adding at leat one metal selected from the group consisting of cobalt, nickel, rhodium, palladium, iridium, platinum, manganese, lanthanum and cerium, to step (a) or to the calcined step (d) shaped particle and to the catalyst used in said process.
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