![]() To accurately identify minerals within tailings, geologists may use analytical technologies including both laboratory and portable X-ray fluorescence (XRF) instruments. Read about the application of on-line elemental analysis for control of sinter feed basicity. Sintering process fluctuations, inhomogeneous mixtures, and other parameters affect productivity, physical and metallurgical quality, and raw material consumption and costs. ![]() Inhomogeneous raw mix can affect permeability and cause an increase in fuel consumption. Sinter quality begins with the proper selection and mixing of the raw materials. Sinter is created by mixing iron ore concentrate with several additives such as limestone and silica to control the chemistry and then igniting it at 1200☌ in a continuous belt-fed furnace. The only source of primary iron is iron ore, but before all that iron ore can be turned into steel, it must go through the sintering process.
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