iron mine tailing characterization

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Characterization of the Stabilization of Arsenic in Mine ...

1. Introduction. Iron tailings, one of the major mine solid wastes, are mainly produced in the iron and steel industry (Kumar et al., 2015; Sakthivel et al., 2010; Wu et al., 2011; Yang et al., 2014; Yu et al., 2009).In China, stored iron tailings has reached 5 billion tons and is growing steadily at a rate of over 0.3 billion tons per year, whereas only 20% of them has been reused (Ma et al ...

Mineralogical Characterization of Iron Ore Tailings from ...

Today many types of tailings are generated in the mining operations. Particularly, in the iron ore industry, although 99% of the generated tailings are composed by non-toxic elements, it came into ...

Recovering tungsten from mine tailings: Characterization ...

Keywords: Electronic Quantitative Mineralogy, Mineralogical characterization, Iron ore tailings. *email: [email protected] 1. Introduction The studies about reprocessing mining tailings has been developed due to the great companies and society concerns about …

Geochemical Characterization of Groundwater and Porewater ...

This study was undertaken to determine the effects of rice husk ash (RHA) and iron-coated rice husk ash (Fe-RHA) on phytoavailability of As, Cd, Cr, Cu, Mn, Pb, and Zn to vetiver grass grown in gold mine tailings amended with either RHA or Fe-RHA at 0%, 5%, 10%, and 20% (w/w). The results showed that the RHA amended tailings recorded higher concentration of As in the shoot and the root and ...

Characterization and Iron Removal Treatment of Ion ...

An Interdisciplinary Response to Mine Water Challenges - Sui, Sun & Wang (eds) ©2014 China University of Mining and Technology Press, Xuzhou, ISBN 686 Mineralogical Characterization of Selected South African Mine Tailings for the Purpose of Mineral Carbonation Maxwell Amponsah-Dacosta1, David Louis Reid2

Characterization of Kolar gold field mine tailings for ...

Terminology. Tailings are also called mine dumps, culm dumps, slimes, tails, refuse, leach residue, slickens, or terra-cone (terrikon).. Examples Sulfide minerals. The effluent from the tailings from the mining of sulfidic minerals has been described as "the largest environmental liability of the mining industry". These tailings contain large amounts of pyrite (FeS 2) and Iron(II) sulfide (FeS ...

Geotechnical characterization of old tailings for use as ...

4.2.1 Mine tailings. Total ferric iron (Fe 2 O 3total), S, and trace element (Ag, As, Au, Cd, Cu, Ni, Pb, Sb, Sn, and Zn) concentrations, and pH values from tailing samples of the four mine district are summarized in Table 3. All samples showed a pH range of 2.2–5.6. This value range reflects the typical acid character of stored mine tailings.

Phytoremediation of Gold Mine Tailings Amended with Iron ...

On November 5th, 2015, the failure of the Fundao tailing dam of Samarco S/A, located in the Doce River basin (), municipality of Mariana, state of Minas Gerais (MG, Brazil), leaked about 43.7 million m 3 of iron ore tailings (do Carmo et al., 2017; Renova, 2019).The leaked tailings followed the course of the Carmo river and subsequently the Doce River ().

Production of Nanoaluminium Hydroxide from Iron Tailing ...

Approximately 550,000 abandoned mine sites in the United States alone have generated 45 billion tons of mine waste, including waste rock and tailing material, and many of the sites are in arid and semiarid regions ().Mine tailings have no aggregate structure or organic matter, they are low in nutrients (N and P), they can contain high concentrations of metals (As, Cu, Fe, Mn, Ni, Pb, and Cd ...

Iron ore markets digest impact of Vale tailings dam disaster

Arsenic-rich uranium mine tailings from the Rabbit Lake in-pit tailings management facility (RLITMF) in northern Saskatchewan, Canada, were investigated to determine the mineralogy and long-term stability of secondary arsenic precipitates formed from iron-rich hydrometallurgical solutions. Total arsenic and iron concentrations in six iron-rich samples of the mine tailings ranged from 56 to ...

Characterization of the Stabilization of Arsenic in Mine ...

Ferrous chloride has been evaluated as a novel approach to stabilize arsenic in mine tailings. The influence of iron/arsenic molar ratio, pH, stabilization time, granularity, and temperature on the concentration of released arsenic was evaluated. Arsenic speciation before and …

(PDF) GEOTECHNICAL CHARACTERIZATION OF GOLD MINE TAILINGS ...

Mar 19, 2020· The gold mining process at Kolar gold field (KGF) mines has generated about 32 million tons of tailings. Gold was extracted from the mined ores using cyanidation technique that involved ...

A Comparative Study of Ultra-Fine Iron Ore Tailings from ...

Keywords: Electronic Quantitative Mineralogy, Mineralogical characterization, Iron ore tailings. *email: [email protected] 1. Introduction The studies about reprocessing mining tailings has been developed due to the great companies and society concerns about …

Surficial weathering of iron sulfide mine tailings under ...

Iron Mine Tailings Site . Background – Brynnor Iron Mine • Mine operated in 1960's and produced very high grade iron ore (Fe 3O 4) ... Geochemical Characterization - Sequential Leach Tests • Campground Area: As and Co are more enriched in iron and manganese oxyhydroxides

Tracing iron ore tailings in the marine environment: An ...

Arsenic-rich uranium mine tailings from the Rabbit Lake in-pit tailings management facility (RLITMF) in northern Saskatchewan, Canada, were investigated to determine the mineralogy and long-term stability of secondary arsenic precipitates formed from iron-rich hydrometallurgical solutions. Total arsenic and iron concentrations in six iron-rich samples of the mine tailings ranged from 56 to ...

Geotechnical characterization of old tailings for use as ...

May 14, 2019· Ahead of the S&P Global Platts Global Metals Awards in London, on May 16, The Barrel presents a special series of articles looking at the global metals trade. Here, Jun Kai Heng looks at how iron ore buyers and sellers are adapting to tightened supply of specific products, following the accident at one of Vale's Brazilian operations in January. On January 25, a Vale tailings dam in ...

Characterization of a Bacterial Community in an Abandoned ...

Reprocessing mine waste to extract additional value is a potentially sustainable alternative to exploration and development of new mines, particularly if it involes a reduction in environmental risk. At Cantung mine in northern Canada, tailings contain ore grade values of tungsten and

Multi-University Center Aims to Minimize Mine Tailings ...

An Interdisciplinary Response to Mine Water Challenges - Sui, Sun & Wang (eds) ©2014 China University of Mining and Technology Press, Xuzhou, ISBN 686 Mineralogical Characterization of Selected South African Mine Tailings for the Purpose of Mineral Carbonation Maxwell Amponsah-Dacosta1, David Louis Reid2

Geotechnical Properties of Mine Tailings

The front of the mine tailings pile at the Iron King Mine and Humboldt Smelter Superfund Site in Yavapai County. (Photo: UA Superfund Research Center) As the global demand for minerals and metals continues to grow, so too does the proliferation of mine tailings – the waste materials left over when mining is complete.

Utilization of iron tailings to prepare high-surface area ...

Nanoaluminum hydroxide was extracted from iron tailing by the chemical deposition method and the structure, morphology and purity of product was attributed by XRF, FE-SEM, XRD, FT-IR, and DTA-TG, etc. The experimental results showed that the product was spherical in shape with granular size around nm in diameter. These results indicated that this technique is fit for commerial run to ...

Characterization of mining tailings in México for the ...

The Brumadinho dam disaster occurred on 25 January 2019 when Dam I, a tailings dam at the Córrego do Feijão iron ore mine, 9 kilometres (5.6 mi) east of Brumadinho, Minas Gerais, Brazil, suffered a catastrophic failure. The dam is owned by Vale, the same company that was involved in the 2015 Mariana dam disaster. The dam released a mudflow that advanced through the mine's offices, …

Mineralogical Characterization of Selected South African ...

geotechnical characterization of gold mine tailings and wastes from aggregate quarry in the philippines Thesis (PDF Available) · October 2012 with 3,711 Reads How we measure 'reads'

Geoenvironmental Characterization of Sulfide Mine Tailings ...

Characterization of the Tailings. The basic geotechnical properties of the four tailings are summarized in Table 1, and Fig. 1 displays the grain size distributions. The specific gravity of the coarse and fine iron tailings are 3.23 and 3.08, respectively, which are consistent with those of metal tailings but much higher than those of natural soils.

Mineralogical Characterization of Iron Ore Tailings from ...

Ferrous chloride has been evaluated as a novel approach to stabilize arsenic in mine tailings. The influence of iron/arsenic molar ratio, pH, stabilization time, granularity, and temperature on the concentration of released arsenic was evaluated. Arsenic speciation before and …

(PDF) Generation and Treatment of Iron Ore Tailings

Geotechnical characterization of old tailings for use as sand stacking foundation S. Paihua, ... disposal of fresh tailings due to a trend of reducing new areas impacted by mining activities. New tailings can be placed in old tailings facilities using alternative methods such as sand stack- ... with high iron oxide con-tents and thicknesses ...