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How thermal imaging cameras are helping to reduce slag carryover in steel production and improve efficiency
Steel slag, a molten liquid melt of silicates and oxides, is a by-product of the steelmaking process, which is produced during the separation of molten steel from the impurities that are found in iron ore and scrap metal. The slag solidifies upon cooling.
The reason it needs removal is that slag impurities degrade steel. For example, slag will pull phosphorous from iron and, if not removed, the phosphorus reverts back into the steel, lowering its quality. It also causes substantial wear and tear on the vessels involved. Removal of slag has involved huge effort and expense on the part of steel producers. Recent advances in detection now mean that slag can be more reliably and effectively managed.