CPC B01J 35/04 (2013.01) [B01J 21/12 (2013.01); B01J 37/0018 (2013.01); B01J 37/0219 (2013.01); B01J 37/0228 (2013.01); B01J 37/0244 (2013.01); B01J 37/082 (2013.01)] | 19 Claims |
1. A method for limiting bleed-through of aqueous catalyst solution in a fired porous ceramic article, the aqueous catalyst solution comprising catalyst materials comprising platinum, palladium, rhodium, or combinations thereof, the method comprising:
applying a hydrophobic cellulose derivative to an exterior surface of a fired porous ceramic article.
|