Recycling Iron - Microwave Reduction of Poor Iron Ore Slime/ Limonite Sand and Foundry Waste Iron Slime by Bio Char
DOI:
https://doi.org/10.5281/zenodo.10814424Keywords:
Microwave radiation, İron waste slurries, Reducing bath, Concentration treatment, Sorbent bath, Limonite slurriesAbstract
The microwave-assisted reduction of iron slime waste and poor iron ore is carried by sequentially concentration and reduction. A suitable advanced method is required for low-grade limonite and hematite iron ores of Şırnak, and Eastern Anatolian iron ores, in Turkey. The low-grade limonite resources are widely disseminated in the region, containing 47-80% Fe2O3.H2O, and goethite sands containing 25-30% Fe2O3. Benefaction from iron slimes, wet poor iron waste of foundries, and poor iron ore provides the recycling of iron and even other valuable metals such as tin, chromium, cobalt, and nickel. The microwave-assisted reduction is carried by sequentially following concentration and pre-reduction. An optimized reduction method is required for low-grade limonite and hematite iron ores of Şırnak, and Eastern Anatolian iron ores, in Turkey.
In this study, the poor limonite ores of Şırnak, the following gravity concentration, and microwave reduction in bubbling bed were studied in sequential batch processes.
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