Mixer with catalytic surface

Abstract

A mixer and mixer assembly for turbulent mixing and enhancing a chemical reaction is provided. A method for using a mixer and mixer assembly for treatment of fluids is also provided. The mixer generally includes a first and second end, a surface configured for turbulent mixing, a catalyst supported thereon, and surface structure configured to increase interaction of catalyst and reactant. The mixer assembly generally includes a mixer inserted inside a fluid container or a tube and may also include a catalytic sleeve for enhancing interaction between catalyst and reactant.

1 - 35 . (canceled) 
     
     
         36 . A method for reducing a pollutant concentration level in waste gases from an industrial complex having a smoke stack, comprising:
 providing a smoke stack, including:
 a first smoke stack end, 
 a second smoke stack end, 
 a central axis extending from the first smoke stack end to the second smoke stack end, 
 an internal region, and 
 an inside surface, comprising:
 at least one inside surface structure, 
 a catalyst supported on at least a portion of the inside surface structure, 
 
 wherein the inside surface structure is configured for turbulent mixing of the waste gases; 
   flowing the waste gases from a first smoke stack end to a second smoke stack end within the internal region of the smoke stack;   turbulently mixing the waste gases wherein the inside surface structure causes turbulent mixing of the waste gases,   wherein the waste gases contact the catalyst for a chemical reaction; and   reducing the pollutant concentration level in the waste gases, wherein the chemical reaction reduces the pollutant concentration level in the waste gases.   
     
     
         37 . The method according to  claim 36 , wherein the pollutant concentration level is carbon monoxide (CO) concentration level. 
     
     
         38 . The method according to  claim 36 , wherein the pollutant concentration level is carbon dioxide (CO 2 ) concentration level. 
     
     
         39 . The method according to  claim 36 , wherein the pollutant concentration level is nitrogen oxide (NO x ) concentration level. 
     
     
         40 . The method according to  claim 36 , wherein the pollutant concentration level is sulfur oxide (SO x ) concentration level. 
     
     
         41 . The method according to  claim 36 , wherein the catalyst comprises a tetra-amido macrocyclic ligand molecule. 
     
     
         42 . The method according to  claim 36 , wherein the catalyst comprises an iron complex of a tetra-amido macrocyclic ligand molecule. 
     
     
         43 . A method for treatment of effluents from an industrial complex, comprising:
 providing a mixer assembly configured for flow of the effluents, including:
 a mixer comprising:
 a mixer first end, 
 a mixer second end, 
 a mixer major axis extending from the mixer first end to the mixer second end, 
 a mixer minor axis that is perpendicular to the mixer major axis, and 
 a mixer surface, 
 wherein the mixer surface has a helix-like configuration for turbulent mixing of the effluents and a catalyst supported on at least a portion of the mixer surface, and 
 
 a tube, comprising:
 a tube first end, 
 a tube second end, 
 a central tube axis extending from the tube first end to the tube second end, 
 an internal region, and 
 an internal diameter of the internal region perpendicular to the central tube axis, 
 wherein the internal diameter of the internal region is greater than or equal to the mixer minor axis, 
 
 wherein the mixer is provided in the internal region of the tube such that the mixer major axis and the central tube axis are parallel to each other; 
   flowing the effluents from the tube first end to the tube second end within the internal region of the tube;   turbulently mixing the effluents, wherein the mixer surface causes turbulent mixing of the effluents,   wherein the effluents contact the catalyst allowing a chemical reaction; and   treating the effluents, wherein the chemical reaction causes the treatment of effluents.   
     
     
         44 . The method for treatment of effluents according to  claim 43 , wherein the chemical reaction increases concentration level of oxygen (O 2 ) in the effluents. 
     
     
         45 . The method for treatment of effluents according to  claim 43 , wherein the chemical reaction reduces concentration level of nitrogen containing ions in the effluents. 
     
     
         46 . The method for treatment of effluents according to  claim 45 , wherein the chemical reaction for reducing concentration level of nitrogen containing ions is denitrification. 
     
     
         47 . The method for treatment of effluents according to  claim 43 , wherein the chemical reaction affects the pH of the effluents such that the pH of the effluents at the second tube end is in the range of about 6.0 to about 8.5. 
     
     
         48 . The method according to  claim 43 , wherein the catalyst comprises a tetra-amido macrocyclic ligand molecule. 
     
     
         49 . The method according to  claim 43 , wherein the catalyst comprises an iron complex of a tetra-amido macrocyclic ligand molecule.