| 摘要 |
In a process for the catalytic low temperature oxidation of ammonia to nitrogen in an ammonia containing off-gas at a temperature of between 200<o>C and 500<o>C the improvement comprises, sulphating a catalyst comprising on an inert carrier a metal selected from the group of copper, cobalt, iron, chromium, nickel, manganese and mixtures thereof in the form of their oxides and/or sulphates and a further component selected from the group of platinum metals; contacting the ammonia containing atmosphere with the catalyst, and withdrawing a decomposed gas being rich in nitrogen.
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