Patent ID: 6117578
Filing Date: 2000-09-12
Classification: B01J,C01B,H01M,Y02E

Abstract:
A hydrocarbon fuel gas steam reformer assembly comprising:a) a plurality of fuel gas passages for receiving a mixture of fuel gas and steam;b) a plurality of burner gas passages for receiving a burner gas stream, said burner gas passages and said fuel gas passages being disposed in heat exchange relationship with each other whereby heat from said burner passages is transferred to said fuel gas passages; andc) selected ones of said fuel gas and burner gas passages being provided with a lanthanum oxide, and/or cerium oxide, and/or calcium oxide-stabilized alumina washcoat, which washcoat stabilizes alumina against recrystallization at elevated temperatures, and also inhibits carbon deposition on walls of said fuel gas and/or burner gas passages.