Catalyst and process for improving the adiabatic...

Details Catalyst and process for improving the adiabatic... Catalyst and process for improving the adiabatic...

C - Chemistry, Metallurgy

01

B

C01B 3/40 (2006.01) B01D 53/48 (2006.01) B01J 23/755 (2006.01) B01J 32/00 (2006.01)

Patent

CA 2511406

A process for adiabatically prereforming a feedstock, includes: providing an adiabatic reactor; providing a catalyst containing 1-20 wt.% nickel and 0.4-5 wt.% potassium, wherein the catalyst has an overall catalyst porosity of 25-50% with 20-80% of the overall catalyst porosity contributed by pores having pore diameters of at least 500.ANG.; providing the feedstock containing natural gas and steam, wherein the natural gas contains an initial concentration of higher hydrocarbons, and a ratio of steam to natural gas in the feedstock is from 1.5:1 to 5:1; preheating the feedstock to a temperature of 300-700°C to provide a heated feedstock; providing the heated feedstock to the reactor; and producing a product containing hydrogen, carbon monoxide, carbon dioxide, unreacted methane, and steam, wherein said product contains a reduced concentration of higher hydrocarbons less than the initial concentration of higher hydrocarbons, to prereform the feedstock.

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