The recycling of dispersed metal containing wastes is a considerable problem, as their accumulation in dumps today is commensurate with the volume of ore extraction. Several methods and technologies are developed to recycle metal containing
wastes but almost all of them require the preliminary preparation of wastes resulting in an increased price of the recycled metals. Furthermore, it is especially difficult to recycle dispersed multicomponent wastes and, therefore, the problem of developing
effective, flexible and reliable technology for recycling of dispersed metal containing wastes is still a pressing one.
The article presents an alternative method of recycling dispersed iron-containing wastes based on a continuous solid-liquid
process of iron oxides reduction in rotary tilting furnaces (RTF). The new method allows the processing of waste of almost any
composition and state: from metal lumps to oxide and multicomponent (chips, scale, sludge, etc.) wastes, contaminated with
moisture, oils, organic impurities without their preliminary preparation (cleaning, homogenization, pelletizing, etc.). The result
of recycling is the production of cast iron or steel ingots or required casting alloys. Some features of technology are considered,
including the gas flow and motion of charge metal particles within the RTF. Process parameters providing high metal output
are established.
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