| abstract |
The invention relates to (a) an exhaust conduit (20) for transporting a gas mixture downstream from a source (1), (b) an injector (3) and (c) an injector (3) for injecting a reducing agent into the conduit (20) A device for reducing nitrogen oxides contained in a multi-component gas mixture discharged by the source (1), comprising at least one gas analyzer located in a conduit downstream of the. |