| 摘要 |
1482609 Gasification of coal FOSTER WHEELER CORP 20 Aug 1974 [7 Sept 1973] 36615/74 Heading C5E Particulate coal or coke is gasified at 1200- 1450‹ C. by contacting with steam in the presence of sulphur dioxide introduced by a rate of 0À1 to 20% based on the volume of the steam. A continuous stream of coal is fed to a gasifier to produce an ash- and tar-containing residue and a gaseous product, from which hydrogen sulphide is scrubbed and converted to sulphur dioxide, which is in part introduced into the gasifier. |
