NOX TRAP CATALYST SUPPORT MATERIAL WITH IMPROVED STABILITY AGAINST BAAL2O4 FORMATION

摘要

The present invention relates to a method for the production of a support material for a nitrogen oxide storage component that is applicable in catalysts for treating exhaust gases from lean-burn engines and a support material made according to said process that is stable against the reaction with a Barium compound to form BaAl 2 O 4 .