(PDF) Upgradation of Low-Grade Siliceous Manganese Ore …
The low-grade siliceous manganese ores from Bonai-Keonjhar belt, Orissa, India was mineralogically characterized and investigated for their possible upgradation. ... All the samples were crushed to below 2mm size by roll crusher at different gap settings and classified into different size fractions using standard test sieve viz. 2mm, 1mm, 0.5mm ...
