| abstract |
An apparatus and method for producing a hydrogen-rich gas is provided, the method comprising the steps of: reforming a hydrocarbon feed in a reforming step to obtain a compound comprising CH 4 , CO, CO 2 , H 2 and H 2 syngas of O; shifting the syngas in a shift configuration including a high temperature shift step; removing CO 2 upstream of a hydrogen purification unit such as a pressure swing adsorption unit (PSA); reclaiming the off-gas from the hydrogen purification unit It is recycled and mixed with natural gas upstream of the pre-reformer feed preheater, pre-reformer, reformer feed pre-heater or ATR or shift as the feed to the process. |