| 摘要 |
In a process for producing marl slags and marl slag cements or mixed components for mixed cements from marl having a basicity CaO/SiO2 of <2.0, it is provided that in a first process step argillaceous marl or a mixture of marl and clay having a basicity of <2.0 is dried, preheated and calcined and that, after this, the obtained product in a second process step is melted in a separate melting furnace at higher temperatures than applied in the first process step and is granulated from the melt.
|
