| abstract |
The present invention relates to a revamp method for increasing the front-end capacity of a plant comprising - a reforming section, wherein a feed is reformed in at least one reforming step to - a reformed stream comprising CH 4 , CO, CO 2 , H 2 and H 2 O - a shift section wherein the reformed stream is shifted in a shift reaction in at least a high temperature shift step, said method comprising the steps of - In the High temperature shift step exchanging an original Fe-based catalyst with a non-Fe-based catalyst - Increasing the feed flow to the reforming section, and - The HTS step is carried out at a reduced steam/dry-gas ratio (S/DG) compared to an original S/DG in the original HTS step with the original Fe-based catalyst. |