| 摘要 |
1522553 Producing semi coke CENTRO SPERIMENTALE METALLURGICO SpA 18 Feb 1976 [19 Feb 1975] 06282/76 Addition to 1492563 Heading C5E In a modification of the method of producing semicoke according to Specification 1492563, the first semicoking step is performed in two stages, each in a separate reactor, the first stage being at a temperature of 300-470‹C, and the second at a temperature of 400-600‹C. In a second improvement, the initial fluidising medium for the second semicoking reactor is oxygen. |
