Patent ID: 7790059
Filing Date: 2010-09-07
Classification: B01J,C01B,Y02P

Abstract:
1. A steam/hydrocarbon reformer for producing a synthesis gas comprising hydrogen from gaseous hydrocarbon and steam, said reformer being convectively heated by a hot gas and comprising: a chamber having an entrance for receiving said hot gas and an exit for discharging said hot gas; a plurality of first tubes positioned within said chamber, said first tubes containing a steam reforming catalyst, each of said first tubes having a first tube inlet for receiving a first mixture comprising gaseous hydrocarbon and steam and a first tube outlet for discharging a first partially reformed gas; a mixing vessel having a first inlet in fluid communication with said first tube outlets for receiving said first partially reformed gas, a second inlet for receiving a second mixture comprising gaseous hydrocarbon, and a mixing vessel outlet; a plurality of second tubes positioned within said chamber, said second tubes containing a steam reforming catalyst, each of said second tubes having a second tube inlet in fluid communication with said mixing vessel outlet and a second tube outlet for discharging a second partially reformed gas.