| 摘要 |
Appts. for the treatment of fly ash from combustion processes which produce ash contg. calcium oxide during the heating of sulphur-rich fuels, comprises a so-called freefall blender and a device for supplying sufficient fly ash and water for slaking the calcium oxide to produce gypsum which is then granulated for easy handling and transport. (To be reissued in later week based on complete specification). |
