| 摘要 |
<p>A catalyst system for reduction of oxides of nitrogen is described comprising aluminium oxide and at least one metal oxide which is different to aluminium oxide. Also disclosed is an automotive exhaust catalyst system for reducing oxides of nitrogen comprising an automotive exhaust catalyst system support together with the catalyst system of the invention, a catalyst system for reducing oxides of nitrogen from combustion sources comprising a catalyst system support together with the catalyst system of the invention, a method of preparing a catalyst system, a method of preparing an automotive catalyst system, a process for removing oxides of nitrogen from exhaust gas from a combustion source and a process for removing oxides of nitrogen from exhaust gas from a combustion source.</p> |
