Disclosed are a silicon-containing cerium composite oxide which is capable of maintaining a large specific surface area even used in a high temperatures environment, and which has excellent heat resistance and reducibility, as well as a method for producin...

The present invention relates to a regenerable catalyst composition suitable for entrapping SO, a Diesel oxidation catalyst (DOC) or a catalyzed soot filter (CSF) comprising said catalyst composition. The invention furthermore relates to the use of said ca...

The present invention relates to a regenerable catalyst composition suitable for entrapping SO x , a Diesel oxidation catalyst (DOC) or a catalyzed soot filter (CSF) comprising said catalyst composition. The invention furthermore relates to the use of said...

The invention provides an exhaust gas purification apparatus which can efficiently purify HC in exhaust gas of an engine upon cold starting of the engine. The exhaust gas purification apparatus for an engine comprises a catalytic converter (20) provided in...

The present invention relates to a regenerable catalyst composition suitable for entrapping SOx, a Diesel oxidation catalyst (DOC) or a catalyzed soot filter (CSF) comprising said catalyst composition. The invention furthermore relates to the use of said c...

A nitrogen oxides trapping catalytic converter (20) is provided downstream of a three-way catalytic converter (18) of an exhaust passage (31) of an engine (1). An engine control unit (21) operates the engine (1) at a stoichiometric air-fuel ratio until the...