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The mines, in upgrading the chromite content of their ore, produce a tailings stream that contains the majority of the PGMs of the ROM chrome ores. It is …
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During the beneficiation of chromite ore of Sukinda region, approximately 50% (by weight) of the total feed is discarded as tailing which contains a significant amount of chromite. Several studies have focused on reduction of chromite losses in the beneficiation plant tailing ( Rao et al., 1987, Raghukumar et al., 2009, Tripathy et al., …
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conventional chromite ore beneficiation process plant (Figure 3) consist of two sections: . Communition (for preparing the material for the subsequent unit operations) . Concentration ...
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The mining process generates two types of ore—hard/lumpy and soft/friable. The mined high-grade lumpy ores are directed to ferro chrome plant after suitable sizing …
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was evaluated for the processing of chromite ore slime. The objective is to obtain a concentrate with minimum 40 per cent Cr2O3. 2. Experimental 2.1 Materials The chromite tailings sample from OMC Ltd. was used for the present study. The sample analysed 20.23% Cr2O3, 16.2% Fe2O3, 16.35% SiO2, 26.75% Al2O3, 2.12% CaO, 9.64% MgO …
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Superficial fresh chromite tailings and concentrate ore, as well as a core in the stockpiled old chromite tailings, were collected in May 2017 from materials generated in a typical beneficiation plant of Sukinda valley, Jajpur district, Odisha, India . The Sukinda valley is located in the eastern part of the Indian peninsula, where the average ...
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In this industrial scale study, chromite tailings of typical chromite processing plant which have 2.60 to 5% Cr 2 O 3 content were recovered by VPHGMS and pre concentrates were p roduced with ...
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Das (2015) also reported a study on the characterization of chrome ore plant tailings and revealed that chromite, goethite, and gibbsite are major mineral phases present in the plant tailings while others identified as minor phases [5]. The BET surface area of chromite ore tailings is 23.79 m 2 g −1, and the particle density was 3020 kg m …
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A chromite concentrate with 45.29wt% Cr2O3 and a Cr:Fe mass ratio of 1.85 can be produced from these low-grade chromite ore beneficiation plant rejects. View Show abstract
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DOMBP's tailings mineral resources, which have been accumulated since 1938, amount to 2.2 million tons as of 1 January 2018. In total, there are 2.2 million tons at 27.65% Cr 2 O 3, which is 0.6 million tons in terms of chromium oxide [].The technological scheme of chrome ore processing at DOMBP includes standard operations of gravity …
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The Problem with Chromite Processing. ... The Chromite Extraction Flowsheet Chromite Ore Crushing. ... The tailing from the scavenger Mineral Jig is directed to a 30″x 13′ Simplex Cross-Flow Classifier which discards a waste product as a final tailing at minus 65 mesh and the sand product is returned to the rod mill for further …
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2.1 Materials. Tata Steel Ltd., has its Chromite Ore Beneficiation (COB) plant at Sukinda zone, Jajpur district of Odisha state, India. It was observed that during beneficiation, substantial quantity of chromite tailings was produced and these tailings were stocked in the dam [2, 3].For research work, tailing sample was collected from …
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During the beneficiation of chromite ore of Sukinda region, approximately 50% (by weight) of the total feed is discarded as tailing which contains a significant amount of chromite. Several studies have focused on reduction of chromite losses in the beneficiation plant tailing (Rao et al., 1987; Raghukumar et al., 2009; Tripathy et al., 2011).
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The Tata Steel Chrome Ore Beneficiation (COB) plant is generating 50 tph of tailings assaying 17% Cr2O3. A critical review on practice of the plant operating personnel is concerned in the grade ...
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Generally for processing chromite ores, different types of gravity methods are employed after crushing, grinding followed by classification. The Tata Steel Chrome Ore Beneficiation (COB) plant is generating 50 tph of tailings assaying 17% Cr2O3.
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In this project, chromite tailings from Western Limb of the South African Bushveld Igneous Complex (BIC) was characterised with the objective of recovering fine and ultrafine …
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Chromite ore processing tailings and low-grade manganese ores are typically considered waste due to their limited or negligible utility, leading to environmental and storage concerns. ... Altin G, Inhal S, ALP I, Lekili ME (2018) Recovery of chromite from processing plant tailing by vertical ring and pulsating high-gradient magnetic …
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Clean Chromite Production from Fine Chromite Tailings by Combination of Multi Gravity Separator and Hydrocyclone. Chromite is an important mineral used in the metallurgy, chemistry, and refractory industries. For this reason, beneficiation of chromite tailings is very important. In this study, the possibility of….
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The Tata Steel Chrome Ore Beneficiation (COB) plant is generating 50 tph of tailings assaying 17% Cr 2 O 3. A critical review on …
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Our low maintenance chrome processing plant designs improve plant capacity, increase wear life and improve overall recovery of ultra fines. In 2015 we designed and delivered the first alternative modular chrome plant of its kind.
DetailsConsidering the tailing disposal problems of chromite gravity plants, the research works carried out by Amer and Ibrahim (1996) on hydrometallurgical processing of low grade chromite ore (Barramiya, Egypt), with a new technique using mechanical alkaline treatment in an attritor followed by oxidative leaching in an autoclave reveals that even a ...
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Chromite ore processing tailing, a solid waste generated during the processing of chromite ore, is difficult to recover due to its ultra-fine size. ... Recovery of chromite from processing plant tailing by vertical ring and pulsating high-gradient magnetic separation. MT Bilimsel, 13 (2018), pp. 23-35. Google Scholar. Aslan and …
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It is because chromite sources such as the chromite-containing LG-6 reef are typically not mined for PGMs, which are discarded along with tailings. ... will complete the processing of old tailings in about three to four years. After that, it will continue processing of ROM material which will account for some 7,000 to 10,000 tonnes per …
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India has limited resources of chromite. To optimally exploit this valuable and strategic raw material, numerous chrome ore beneficiation plants have been established. Most of these plants suffer chromite losses into the tailing. Decreasing these losses would not only improve the plant performance but also make the economics of the operations …
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The raw chrome ore is the tailings after floating separation of platinum and palladium, and the grade of Cr2O3 is relatively high. 【X-ray diffraction analysis】 The main mineral ores in the chrome sample are chromite, enstatite, anorthite, hopfnerite, diopside, albite, biotite, etc.. 【Physical analysis】 The metallic minerals in the chrome samples …
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In order to recover the ultra fine chromite particles from the Karagedik Concentrator tailings, a new process, including Wet High Intensity Magnetic Separation and column flotation, was developed and the Karagedik Research Pilot Plant based on this process was commissioned in 1999. At this plant, final concentrates, assaying 46–48% …
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ABSTRACT The present investigation aimed to understand dewatering amenability of the tailing slurry generated during the beneficiation of chromite ore. The tailing includes mainly ultrafine particles with a concentration of Cr+6 which causes environmental and storage issues. Several dewatering techniques were investigated, …
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The important beneficiation process in the chrome processing plant mainly include comminution and concentration. 1. Comminution. Chrome lump ore, or chrome …
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During the processing of complex tailings from chromite ore production, Cr 2 O 3 was enriched by a factor of two with a total yield of 53% [28], while SnO 2 was enriched from a silicate matrix by ...
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The aim of this study was to optimize the recovery of chromite from the chrome plant tailings of the South African Middle Group chromite seams using a shaking table.
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The present investigation aimed to understand dewatering amenability of the tailing slurry generated during the beneficiation of chromite ore. The tailing includes mainly ultrafine particles with ...
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As a result, chromite concentrated ore is obtained, and roughly 50% to 70% of the chromite losses are in the fine fractions (tailings), where the fraction below 75 µm contains about 9-20% Cr 2 O ...
DetailsThe Tata Steel Chrome Ore Beneficiation (COB) plant, designed to produce concentrate of +46% Cr 2 O 3 with a recovery of 70% from a feed of 30- 35% average Cr 2 O 3 .
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