Request PDF | On Jan 1, 2023, C. Raghu Kumar and others published Chromite ore beneficiation: prospects and challenges | Find, read and cite all the research you need on ResearchGate
The objective of the present study was to investigate to recover chromite from Sivas -KangalÇamözü chromite plant tailings assaying 4.95% Cr2O3by using a Falcon Concentrator. By using L40 type Falcon Concentrator a concentrate assaying of 13% Cr2O3 with 63.03% recovery was obtained from Çamözü plant tailings at 30 G rotor rotation speed ...
Chrome process equipment is wet type strong magnetic separator, and spiral chute (chrome spiral plant) of gravity separator. 3 Experimental results and discussion 3.1 Chrome magnetic separation process. The chrome raw ore is a flotation tail ore, which is mainly formed in the chromite, and the chromite is the target recovering mineral.
The above concept was adopted in one of the operating chromite beneficiation plant at Sukinda. The approach adopted and practical problems encountered during the study were reported in this paper. The result of trial campaign has shown that, an overall product assaying 30.2% Cr2O3 from the feed (18% Cr2O3 ) can be produced to in single stage ...
In actual production, chrome processing plants often use a variety of beneficiation methods to remove different impurities. The specific chrome ore beneficiation process needs …
644 RECOVERY OF CHROMITE VALUES FROM TAILINGS OF COB PLANT USING ENHANCED GRAVITY CONCENTRATOR R. K. Rath*1, Bulti Dey1, M. K. Mohanta1, L. K. Prusty2 and R. Singh1 1 Mineral Processing Division, CSIR-National Metallurgical Laboratory, Jamshedpur 831007, India 2 Odisha Mining Corporation Ltd., P. B. No. 34, Bhubaneswar …
The detailed study of chromite ore beneficiation processes reveals that the opportunities still exist to recover chromite values from the low/sub-grade ores and tailings using the conventional beneficiation processes.
Spinel chromite significantly get researchers attention due to their surprising electrical properties such as heat resistant pigments, protective layer for coating as in SOFS …
In this study, leaching experiments were performed for extraction of magnesium from a chromite beneficiation plant tailing predominantly containing lizardite. The X-ray fluorescence (XRF) and X ...
To conserve the existing chromite ore deposits, Tata Steel constructed a chrome ore beneficiation (COB) Plant at Sukinda, Orissa, India. The plant is designed ... In the plant, ROM below 300-mm is stage crushed and then ground in a ball mill to -0.5 mm. The -0.5-mm fraction is then classified into +O.I-mm and -O.I-mm frac-tions using 250-mm ...
Vol.8, No.5 Characterisation and Pre-concentration of Chromite 373 3.3. Microscopic Studies Chromite: Chromite occurs as euhedral to subhedral crystal grains, rarely angular and elongated grains are also noticed. Occasionally chromite grains were fractured. Chromite is more enriched in Fe than normal as alternation product from chromite.
Many of the strategic minerals are inputs into products in fast-changing markets. This article reviews the major process flow sheets in practice for the recovery of chromite values from …
ore gravity concentration plant for sustainable development Y. Rama Murthy1 and S.K. Tripathy1,2 Synopsis 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.
Large tonnages of chromite tailing were discarded during processing of chromite ore in the conventional circuit. A typical chromite plant tailing was treated in table for the recovery of chromite values. Optimisation study was carried out for the process parameters of table using empirical models, developed from the experimental data. It was found that grade and …
Ferrochrome (FeCr) is the main source of chromium (Cr) units used in modern-day chromium (Cr) containing alloys. The vast majority of produced Cr is used during the production of stainless steel, which owes its corrosion resistance mainly to the presence of Cr. In turn, stainless steel is mainly produced from Cr-containing scrap metal and FeCr, which is a …
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
Benefication of low-grade chromite ores of abandoned mine. Tevfik Agacayak. 2009. ... The research work of Bhima Rao et al., shows that tailings of chromite gravity plants of Sukinda region of India, which invariably contains 11.7% Cr2O3, can be beneficiated to produce a chrome concentrate of 46% Cr2O3 content with a recovery of 38%, by using a ...
In this article, the performance of an operating chromite beneficiation plant is evaluated based on mineralogical characterization of samples from around the circuit. This innovative methodology has brought insight into the behaviour of …
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. Researchers globally have explored various methods to utilize or upgrade these wastes, particularly because dumping chromite ore has been linked to severe health issues …
High grade chromite ore was produced by beneficiation of low grade chromite ore in gravitational units present at COB plant. Chemical analysis shows that high grade chromite ore used for synthetic mixture preparation contains 47.93% Cr 2 O 3, 10.9% Al 2 O 3, 3.55% SiO 2 15.07% total Fe and 9.79% of MgO along with other minor elements.
In the majority of the chromite processing plants, typical pocket type hydrosizers are used prior to the shaking tables. In contrast, TBS was preferred as a classifier owing to its potential for use in coal processing (Drummond et al., 2002), chromite mineral upgradation (Kari et al., 2006; Kapure et al., 2007; Kumar et al., 2009), and ...
DOI: 10.4236/JMMCE.2009.85033 Corpus ID: 55908137; Characterisation and Pre-concentration of Chromite Values from Plant Tailings Using Floatex Density Separator @article{Kumar2009CharacterisationAP, title={Characterisation and Pre-concentration of Chromite Values from Plant Tailings Using Floatex Density Separator}, …
The above concept was adopted in one of the operating chromite beneficiation plant at Sukinda. The approach adopted and practical problems encountered during the study were reported in this paper. The result of trial campaign has shown that, an overall product assaying 30.2% Cr2O3 from the feed (18% Cr2O3 ) can be produced to in single stage. ...
This article reviews the major process flow sheets in practice for the recovery of chromite values from various types of ores and critical issues related to chromite ore beneficiation.
The comprehensive condensation of pertinent facts is intended to provide a single reference source rather than the reader perusing many articles. Emphasis is placed on different processes developed in identifying and solving critical plant problems. KW - Chromite beneficiation. KW - Chromite deposits. KW - Chromite ore
Chromite mining activities are indispensable for production of goods and services. Sukinda is a major mining site of Odisha, India, polluted by chromium, which is highly toxic in its hexavalent form. The Sukinda valley is a rich source of chromites, amounting to almost 95% of Cr available in India, and is the fourth most polluted site worldwide. Immediate solutions are …
The generation of tailing in the Indian chromite beneficiation plant is about 50% of the total feed. The tailing from chromite beneficiation plant, Sukinda, India, was analysed 17.02% of Cr 2 O 3, with Cr:Fe ratio of 0.49.Particle size of the tailing is finer in distribution with 50% (by weight) of the tailing is < 190 μm.Liberated chromite particles are at finer particle …
A chromite concentrate with 45.29wt% Cr 2 O 3 and a Cr:Fe mass ratio of 1.85 can be produced from these low-grade chromite ore beneficiation plant rejects. Article PDF. Download to read the full article text Similar content being viewed by others. Chemical and Mineralogical Characterization of Malaysian Monazite Concentrate ...
In this paper, synthetic carnallite (MgCl2 ∙ KCl ∙ 6H2O) and amorphous silica (SiO2) preparation possibilities were investigated by utilizing chromite beneficiation plant tailings which contain 3.44% chromite (Cr2O3) and 30.55% magnesium oxide (MgO) by weight. Firstly, laboratory scale high intensity wet magnetic separator was applied for removing the magnetic materials such …