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PGM recovery from chromite tailings ResearchGate
2011年11月15日· PDF | Recent years has seen an upsurge in the interest for recovering PGM concentrates from traditional chrome producer’s2011年4月1日· Abstract Supply of world chromite (chrome ore) has come under severe pressure over the past year driven by strong demand for ferrochrome used in ferroalloyChrome ore beneficiation challenges & opportunities – A
Chrome ore beneficiation challenges & opportunities – A
2011年4月1日· Subgrade chromite ore with Cr 2 O 3 of about 385% of Sukinda region of India, can be upgraded to a marketable chrome concentrate of 53–54% Cr 2 O 3 with a2018年12月28日· PDF | In this study, an optimum beneficiation route was developed for an existing concentrator that processes lowgrade chromite deposits This| Find, readDeveloping an optimum beneficiation route for a low
Process optimization of a chrome ore gravity
2020年4月1日· Tata Steel, India Sunil Kumar Tripathy Natural Resources Research Institute (University of Minnesota Duluth) Abstract and Figures India has limited resources of chromite To optimally exploit2019年1月18日· Most magmatic chromite deposits, particularly those in stratiform layered ultramaficmafic intrusions, are interpreted to have formed by processes that decrease the solubility of chromite However, suchGenesis of chromite deposits by dynamic upgrading of Fe
New aspect of chromite gravity tailings reprocessing
2001年11月1日· Evaluation of Advanced Gravity and Magnetic Concentration of a PGM Tailings Waste for Chromite Recovery This research was aimed at evaluating theAbstract Recent years has seen an upsurge in the interest for recovering Platinum Group Metal (PGM) concentrates from traditional chrome producer’s tailings streams andPGM recovery from chromite tailings a new art or more of the same?
Process optimization of a chrome ore gravity concentration plant
In this article, the performance of an operating chromite beneficiation plant is evaluated based on mineralogical characterization of samples from around the circuit This2018年12月28日· enrichment methods can be used in the beneficiation of chromite ores and plant design (Tripa thy et al, 2013; Banerjee et al, 2006; Gence, 1999; Murthy et al, 2011) Tripathy et al (2012) andDeveloping an optimum beneficiation route for a lowgrade chromite
A Process Mineralogical Evaluation of Chromite at the Nkomati
2020年8月12日· A process mineralogical study based on three texturally and mineralogically different chromitebearing ore types at the Nkomati nickel mine was undertaken, with focus on chromite Chromite is a byproduct of the NiCuCoPGE ore at Nkomati Nickel mine These being the PCMZMG (mediumgrade NiCu sulphide silicateFlotation of Chromite A Review With Applications to Upgrading ChromiumContaminated Ilmenite PDF This product is exclusive to Digital library subscription Subscribe Flotation of Chromite A Review With Applications to Upgrading ChromiumContaminated Ilmenite PDF Normal price $2200 Member price from $000 FeesFlotation of Chromite A Review With Applications to Upgrading
Case Study: Chromite mining and processing Public Health
plants is mostly retained in the root system8 Releases of chromium and its compounds to surface water make up less than 1 per cent of total environmental releases in Canada, based on NPRI data from 201313 Total dissolved chromium in Great Lakes water samples have ranged from 008077 µg/L5 Chromium willUG2 ore is dominated by chromite gangue, comprising 6090% by volume, with some silicate minerals (530% pyroxene and 110% plagioclase) (McLaren and de Villiers, 1982; McFadzean, 2014) Chromite is hydrophilic by nature, but it can report to the flotation concentrates through entrainment and this can be detrimental to the downstreamThiol collector blends for improved PGM recovery: a case study
Online spiral grade control SciELO
A test programme carried out at a chromite plant processing UG2 flotation tailing at a site on the eastern limb of the Bushveld Complex in South Africa showed that online control of the spiral plant concentrate grade using this technique is feasible Keywords: spiral concentrator, optimization, online control, graderecovery tradeoff2019年12月16日· For instance, in [3], a maximum water recovery of 97% was achieved by treating the slurry in a dewatering circuit with a combination of high rate thickener and press filter in a chromite oreDesign and Analysis of Dewatering Circuits for a Chromite
A Process Mineralogical Evaluation of Chromite at the Nkomati
2020年8月12日· A process mineralogical study based on three texturally and mineralogically different chromitebearing ore types at the Nkomati nickel mine was undertaken, with focus on chromite Chromite is a byproduct of the NiCuCoPGE ore at Nkomati Nickel mine These being the PCMZMG (mediumgrade NiCu sulphide silicateThe reverse upgrade of PGMs in the WHIMS tailings stream, through chromite removal to the magnetic concentrate stream, resulted in PGM grades of up to 65 ppm at a recovery 50%, which could make it economical to refloat this material, thereby increasing revenue for existing operations INTRODUCTION Chromite (Fe,Mg)(Cr,Al) 2OFine chrome beneficiation and reverse PGM upgrade of existing
A case study of optimising UG2 flotation performance Part 1:
2010年10月1日· Measurements at pilot and plant scale indicate that about 85% of chromite in both primary and secondary stage rougher concentrates and final concentrate occurs in the −38 μm fraction The relationship between Cr 2 O 3 and water recovery was found to be consistent with degree of gangue entrainment data published by Zheng et al2016年11月4日· Dahe, X, 2003 Slon Magnetic Separator Applied to Upgrading the Iron Concentrate, Physical many processes for the recovery of Turkish chromite and plant tailings have been performed(PDF) Recovery of Chromite from Processing Plant
A discussion of magnetic separation techniques for concentrating
Typical chromite process flowsheet In some cases, chromite concentrates can be produced by wet gravity concentration alone In other chromite beneficiation processes, magnetic separation by RED is an essential polishing step Figure 3 shows a typical flowsheet for upgrading chromite where gravity concentration is followed by dry2022年3月8日· Field and textural evidence for in situ growth of chromite The nature of intrusionwide chromiteforming processes can be constrained from field and textural features of massive chromitite layersChromitite layers indicate the existence of large, longlived, and
Chrome Ore an overview | ScienceDirect Topics
A South African chrome ore crushed and suitably graded is finding application in steel foundries and is believed to have very superior refractoriness It is finding application as a facing material in cores and moulds for heavy steel castings The chromite sand has a specific gravity of about 450 The thermal expansion of bentonitebonded2019年12月16日· Design and Analysis of Dewatering Circuits for a Chromite Processing Plant Tailing Slurry Sunil Kumar Tripathy a Research and Development Division, Tata Steel Ltd, Jamshedpur, India;b GeoRessources, UMR 7359 CNRSUL ENSG, University of Lorraine, Vandoeuvre les Nancy, France Correspondence sunilDesign and Analysis of Dewatering Circuits for a Chromite
Characterisation and separation studies of Indian chromite
2013年7月1日· This particular magnetic separator was also incorporated in the process flow sheet for upgrading the chromite fines while recovering from Indian chromite beneficiation plant tailing [25]Chromite sand sample obtain from KonoweSoutheast Sulawesi have low grade, so it needs process to enrichment Cr:Fe Ratio Cr:Fe ratio feed was 055, after the process for size variation, rollRelation between grade (% Cr2O3) and Cr:Fe ratio of products
Recycling of ChromeContaining Waste from a Mining and Processing Plant
2023年5月29日· Two hypotheses have been identified for the origin of chromite deposits: 1 chromium ores are formed together with their host ultrabasic and basic rocks by intrusion of magma and its crystallization in the upper parts of the Earth’s crust; 2 chromitebearing ultrabasites of folded regions are tectonic plates that have been pitted in the uppermost2017年6月5日· The technique was also applied to chromite gravity concentrates to further upgrade chromite and to reject silicates Flotation of a gravity concentrate containing 409 percent Cr2O3 and 44 percent SiO2 recovered 90 percent of the chromite in cleaner products containing 449 percent Cr2O3, and 063 percent SiO2Flotation of Chromite Ore 911 Metallurgist