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Title of Journal: Int J Miner Metall Mater

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Abbravation: International Journal of Minerals, Metallurgy, and Materials

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Springer Berlin Heidelberg

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DOI

10.1016/0024-6301(90)90344-4

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ISSN

1869-103X

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Performance evaluation for selectivity of the floc

Authors: Lopamudra Panda Pradip K Banerjee Surendra Kumar Biswal R Venugopal N R Mandre
Publish Date: 2013/12/14
Volume: 20, Issue: 12, Pages: 1123-1129
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Abstract

Increased demand for iron ore necessitates the utilization of lowgrade iron ore fines slimes and existing tailings Selective flocculation can be an alternative physicochemical process for utilizing these lowgrade fines slimes and tailings In selective flocculation the most critical objective is the selection of proper reagents that will make floc of desired minerals In present study selective flocculation was applied to ultrafine synthetic mixtures of hematite and kaolinite and the Fe value was upgraded up to 6578 with the reduction of Al2O3 and SiO2 values to 265 and 366 respectively Here degraded wheat starch was used as a flocculantIn this process separation occurs on the basis of the selectivity of the flocculant The selectivity of the flocculant can be quantified in terms of separation efficiency Here an attempt was also made to develop a correlation between separation efficiency and major operating parameters such as flocculent dose pH value and solid concentration to predict the separation performance

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