Nano-functionalized support and production method thereof

Abstract

A nano-functionalized support (1) comprises an application surface (2) and a photocatalytic nanoparticle coating (3) deposited on the application surface (2). The photocatalytic nanoparticle coating (3) comprises titanium dioxide doped with a nitrogen-containing doping agent.

1 - 13 . (canceled) 
     
     
         14 . A nano-functionalized support comprising an application surface and a photocatalytic nanoparticle coating deposited on said application surface, wherein said application surface has a honeycomb structure and said photocatalytic nanoparticle coating comprises titanium dioxide doped with nitrogen deriving from a nitrogen-containing doping agent. 
     
     
         15 . The support according to  claim 14 , wherein the honeycomb structure defines a plurality of channels suitable for passage of a gaseous mixture. 
     
     
         16 . The support according to  claim 14 , wherein said application surface having a honeycomb structure is characterized by a CSPI value of 40 to 120. 
     
     
         17 . The support according to  claim 14 , wherein the application surface is made of a ceramic material. 
     
     
         18 . The support according to  claim 17 , wherein the ceramic material is at least one selected from the group consisting of cordierite, mullite and alumina. 
     
     
         19 . The support according to  claim 14 , wherein the nitrogen-containing doping agent is one selected from the group consisting of amines, amides, organic ammonium salts and inorganic ammonium salts. 
     
     
         20 . A device for abating polluting agents in a gaseous mixture, comprising at least one nano-functionalized support according to  claim 14 , and a light source of visible light. 
     
     
         21 . A method for abating polluting agents in a gaseous mixture and comprising the steps of:
 arranging a device for abating polluting agents according to  claim 20 ;   subjecting said device for abating polluting agents to a flow of a gaseous mixture;   illuminating the at least one nano-functionalized support by means of a beam of visible light.   
     
     
         22 . The support according to  claim 16 , wherein said honeycomb application surface is characterized by a CSPI value of 50 to 100. 
     
     
         23 . The support according to  claim 16 , wherein said honeycomb application surface is characterized by a CSPI value of 50 to 70. 
     
     
         24 . The support according to  claim 16 , wherein said honeycomb application surface is characterized by a CSPI value of 55 to 65. 
     
     
         25 . The method of  claim 21 , wherein the means of the light source of visible light is contained within the device.