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Plasma-driven Slag Fuming from Industrial Process Residue KU Leuven
Slags produced from secondary copper smelting contain a considerable amount of ZnO. These slags are treated in a slag fuming furnace, where the ZnO undergoes an endothermic reduction reaction by metallurgical coal and Zn is evaporated and recovered either as metal or zinc oxide dust. The submerged plasma slag fuming process is a new technology that uses electricity as energy source instead of fossil fuel burners. Instead of adding the reductant ...
On the origin of sudden slag foaming during copper smelting Ghent University
In-situ electrical conductivity monitoring of slag solidification during continuous cooling for slag recycling KU Leuven
Large volumes of steel slag are produced annually, leading to significant environmental protection and sustainable development issues. An online technology to monitor the solidification process of steel slag can assist in obtaining the right mineralogy to valorize these slags or render them harmless. For this purpose, we investigated the electrical properties and microstructural relationships of a CaO-Al2O3-SiO2-MgO (CASM) slag during cooling ...