Abstract
Odisha state is the major reserve of the chromite ore. Due to the extensive applications, high-grade chromite ore is getting depleted day by day. Now it is a challenge for the industry to utilize these low-grade ores and tailings. Several attempts were taken to upgrade the low-grade chrome ores and tailings using different gravity separation methods, magnetic separation methods, flotation, etc. But all the techniques have limitations for handling these ultra-fine chrome ores. Selective flocculation process can be one alternative method for upgrading the ultrafine chromite ( 1 from a feed grade of 16.36 (%) Cr2O3 with 0.36 Cr/Fe ratio. FTIR analysis reflects selective adsorption of the flocculant mineral surface.
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