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Research Journal of Science and Technology
Year : 2018, Volume : 10, Issue : 4
First page : ( 291) Last page : ( 294)
Print ISSN : 0975-4393. Online ISSN : 2349-2988.
Article DOI : 10.5958/2349-2988.2018.00041.4

Amenability to beneficiation of a low grade Manganese ore fines from Sandur Region, Karnataka, India

Kumar R V Vinayak*, Patil M. R., Ravi B. P.

Dept. of Mineral Processing, VSKU PG Centre, Nandihalli, 583119

*Corresponding Author E-mail: vinayak.rvminpro@gmail.com

Online published on 27 December, 2018.

Abstract

A low grade ferruginous Mn ore assaying 21.77%Mn and 28.53%Fe mines of Sandur region was subjected to amenability to beneficiation process comprising of-wet screening over 10, 6, 3, 1mm-split jigging of screen over sizes in a mineral jig,-crushing of jig tails to-1mm-magnetizing reduction roasting of crushed jig tails and natural minus 1 mm powder 600°C for 0.5 hour with 10% coal reductant followed by water quenching and wet low intensity magnetic separation to remove ferruginous impurities yielded a composite concentrate assaying 32.36% Mn, 21.53% Fe, 1.5 Mn/Fe ratio with 68.7% Mn distribution at 46.2 wt.% yield meets the specifications of metallurgical industry after suitably agglomerating the concentrate. The sample is amenable to processing

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Keywords

Sandur region.

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