Filter candle

Abstract

A filter candle for hot-gas separation comprises a cylindrical mould body that is closed on one side. The interior space of the mould body is filled with a bulk deposit of catalyst material and a closure is arranged on the open side of the mould body.

1 - 27 . (canceled)  
   
   
       28 . A filter candle for hot-gas separation, comprising a cylindrical mould body, closed on one side, wherein the interior space of the mould body is filled with a bulk deposit of catalyst material, and a closure is arranged on the open side of the mould body.  
   
   
       29 . The filter candle according to  claim 28 , wherein the closure is formed as a porous ceramic layer.  
   
   
       30 . The filter candle according to  claim 28  wherein the catalyst material includes one or more oxides or mixed oxides of the rare earths, and/or of one or more aluminates, and/or of one or more silicates, and/or of one or more titanates or titanium dioxide.  
   
   
       31 . The filter candle according to  claim 30 , wherein the catalyst material includes at least calcium aluminate.  
   
   
       32 . The filter candle according to  claim 28 , wherein the catalyst material is modified with promoters.  
   
   
       33 . The filter candle according to  claim 32 , wherein the catalyst material is doped with catalytically-active noble or non-noble metals.  
   
   
       34 . The filter candle according to  claim 33 , wherein the catalyst material is doped with platinum, palladium, rhodium, gold, silver, nickel, copper, manganese, or cobalt.