Abstract
A micaceous hematite sample from Krishnapuram village, Veldurthi Mandal, Kurnool district, Andhra Pradesh was received for process evolution studies to obtain coating - welding rod - concentrate, assaying Fe>65%, SiO2 63%, SiO2 10000 gauss intensity produced a concentrate assaying 65.29% Fe, 4.07% SiO2, 0.42% Al2O3 and 0.32% LOI with 76.8% Fe distribution at wt% yield of 62.1, meeting pellet grade specifications. The above rougher concentrate after one cleaner WHIMS at >8500 gauss, assayed 67.80% Fe, 1.90% SiO2, 0.32% Al2O3, 0.22% LOI and 5 specific gravity with 63.6% Fe distribution at wt% yield of 50.0 meeting the specification of coating and welding rod industry.
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