Patent ID: 6712603
Filing Date: 2004-03-30
Classification: B01J,C01B,F23C,F23G,Y02E,Y02P

Abstract:
A catalytic combustion device for use with a fuel cell comprising:a first section that receives an oxidant feed stream and a first portion of an anode effluent stream from said fuel cell, said oxidant feed stream and said first portion of said anode effluent stream mixing together in said first section to form a first stage flow stream; a second section downstream from said first section, said second section having a first main catalyst, said second section receiving said first stage flow stream from said first section and directing said first stage flow stream through said first main catalyst; a third section downstream from said second section, said third section receiving said first stage flow stream from said second section, and a second portion of said anode effluent stream from said fuel cell, said first stage flow stream mixing with said second portion of said anode effluent stream in said third section to form a second stage flow stream; and a fourth section downstream from said third section, said forth section having a second main catalyst, said forth section receiving said second stage flow stream from said third section and directing said second stage flow stream through said second main catalyst.