Characterisation and separation studies of Indian chromite beneficiation plant tailing

Tripathy, Sunil Kumar; Murthy, Y. Rama; Singh, Veerendra

doi:10.1016/j.minpro.2013.04.008

Cited by 42 publications

(17 citation statements)

References 5 publications

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“…This was achieved by the addition of a coarse chromite fraction to the slime fraction (Wang et al 1993). IRMS and WHIMS was incorporated in the beneficiation practice to recover the chromite values from the beneficiation plant tailing by using IRMS and WHIMS, respectively (Tripathy et al 2013). Another attempt was made to improve Cr:Fe ratio of coarse chromite particles and found that dry highintensity magnetic separator can be used to produce the marketable grade concentrate .…”

Section: Magnetic Separation Of Chromite Orementioning

confidence: 99%

Processing of Ferruginous Chromite Ore by Dry High-Intensity Magnetic Separation

Tripathy

Murthy

Singh

et al. 2016

Mineral Processing and Extractive Metallurgy Review

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Mineral and morphological characteristics of chromite ore strongly affect the separation efficiency while upgrading the low-grade deposits. Usually, chromite ore enrichment is carried out by using gravity separation due to high-concentration criterion between chromite and other minerals. However, chromite ore from Sukinda region, India, is a typical ore body with high iron content in the chromite spinel as well as gangue content in the form of oxide and hydroxides of iron-bearing minerals. So, the separation efficiency reduces by gravity method due to the lower value of concentration criterion. To address this, dry magnetic separation is an alternative approach to separate these iron-bearing gangue minerals from the chromite. This work investigated on the application of different dry high-intensity magnetic separators to separate the chromite grains from ferruginous chromite ore deposits of India. Prior to the separation, two different ore deposits of Sukinda region are subjected to detailed mineral, chemical, morphological, as well as magnetic properties characterization to visualize the separation. Tests confirm the effect of magnetic field strength along with other process parameters that influence the process of the separation of iron-bearing gangue minerals. The results on these separators are related to the influence of mineralogy, process parameters, and magnetic property of minerals, based on the experimental and statistical analysis of the process. Also, effect of desliming of the low-grade deposit prior to the dry magnetic separation is highlighted.

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Section: Magnetic Separation Of Chromite Orementioning

confidence: 99%

Processing of Ferruginous Chromite Ore by Dry High-Intensity Magnetic Separation

Tripathy

Murthy

Singh

et al. 2016

Mineral Processing and Extractive Metallurgy Review

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“…FDS was also effectively used in the flow sheet to recover chromite in a plant scale at Sukinda, India and the performance of the unit was explained in the literature [65]. Recently, another study was reported in the literature to classify the chromite beneficiation plant tailing prior to separation of the fine chromite [66]. Feasibility of alumina removal from iron ore fines was studied by a simple flow sheet comprising of FDS as well as gravity and magnetic separation [67].…”

Section: Floatex Density Separatormentioning

confidence: 99%

A short review on hydraulic classification and its development in mineral industry

et al. 2015

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“…The redistribution of Cr 2 O 3 to gangue minerals can lower the efficiency of the physical separation plants [3]. Different beneficiation techniques such as gravity separation [4][5][6][7], flotation [8][9][10][11][12] or magnetic separation [13][14][15][16][17] can be applied to remove gangue minerals from the chromite concentrates.…”

Section: Introductionmentioning

confidence: 99%

Application of Full Factorial Experimental Design and Response Surface Methodology for Chromite Beneficiation by Knelson Concentrator

Sen

2016

Minerals

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Abstract:The present work is undertaken to determine the effect of operational variables, namely: feed rate, centrifugal force and fluidization water flow rate on the efficiency of Knelson concentrator for chromite ore beneficiation. A full factorial design with three factors at three levels and response surface methodology (RSM) were applied for this purpose. The quadratic models were developed to predict the concentrate Cr 2 O 3 grade and recovery as the process responses. The results suggest that all the variables affect the grade and recovery of the Cr 2 O 3 concentrate to some degree. However, the fluidization water rate was found as the most effective parameter.

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Characterisation and separation studies of Indian chromite beneficiation plant tailing

Cited by 42 publications

References 5 publications

Processing of Ferruginous Chromite Ore by Dry High-Intensity Magnetic Separation

Processing of Ferruginous Chromite Ore by Dry High-Intensity Magnetic Separation

A short review on hydraulic classification and its development in mineral industry

Application of Full Factorial Experimental Design and Response Surface Methodology for Chromite Beneficiation by Knelson Concentrator

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