| 摘要 |
Reforming of a natural gas/steam mixture and cooling of the obtained synthesis gas are performed in a closed vertical reactor in a process in which the mixture at 300-650 deg. C is catalytically and autothermally reformed at 35-100 bar with oxygen (-rich) gas at 250-500 deg. C to give synthesis gas which contains (dry volume basis) carbon monoxide (15-30%), carbon dioxide (5-30%), hydrogen (5-80%) and methane ( at most 5%) and which is cooled by indirect heat exchange to at most 400 deg. C. - An INDEPENDENT CLAIM is also present for a reactor for the process which has a membrane wall-formed kettle (2) formed on all sides by intermediate volume (3) in a closed vertical pressure vessel (1) having (i) a fireproof material (4)-clad upper zone (5) which includes a furnace (8) and a catalyst bed (9) and (ii) a lower cooling zone (10).
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