Heavy metals contamination of post-mining mounds of former iron-ore

Former iron-ore mining led to positive soil transformations of forest habitats increasing the fertility of soils. These changes also had an impact on transformations in plant cover. View full-text

A study on soil physico-chemical, microbial and metal …

Soil samples from chromite mining site and its adjacent overburden dumps and fallow land of Sukinda, Odisha, were analysed for their physico-chemical, microbial and metal contents. Chromite mine soils were heterogenous mixture of clay, mud, minerals and rocks. The pH of the soils ranges between 5.87 and 7.36. The nutrient contents of the …

Impact of leaching from iron ore mines on terrestrial and …

The overburden (OB) and tailings from iron ore mines located in the state of Jharkhand, in India revealed that the OB samples showed high concentration of Fe along with Mn, Pb and Zn as a typical ...

Impact of leaching from iron ore mines on terrestrial and …

Improper disposal of overburden (OB) and tailings causes severe soil and water pollution. Therefore present study was carried out on overburden, their leaching levels and their effect on nearby water environment at Chiria mines of West Singhbhum district of Jharkhand, India. Studies revealed that the OB samples were neutral to marginally …

Challenges and potential approaches for soil recovery in iron …

Waste piles are formed by the deposition of overburden from the excavations, which can form tall piles ... Rehabilitation of iron ore mine soil contaminated with heavy metals using rosemary phytoremediation-assisted mycorrhizal arbuscular fungi bioaugmentation and fibrous clay mineral immobilization. Iran J Sci Technol Trans A Sci …

Heavy Metal Biosorption by Fusarium strains Isolated …

from Iron Ore Mines Overburden Soil Poonam Verma1, ... contaminated with Fe and Cu. Heavy metal concentration decreased with increase in the age of overburden (Table 1). In natural soil Ni, Pd, Zn ...

Transformation and contamination of soils in iron ore …

Current concepts of soil transformation and contamination in iron ore mining areas have been reviewed. Changes of soils and ecosystems in the mining areas are among the largest-scale impacts of economic activity on the nature. Regularities in the radial differentiation, spatial distribution, and accumulation of heavy metals in soils of …

Thư viện trường đại học Phenikaa: Heavy metals contamination …

Heavy metals contamination of post-mining mounds of former iron-ore mining activity: Authors: Podgórska, M. ... we collected 15 soil samples from PMM and, for comparison, 15 from the surroundings - all these samples (30) were collected from a depth of 5–30 cm by soil auger. ... within PMM, overburden is much more contaminated by HM than ...

Utilization of activated carbon from coconut shell in …

In this connection, the application of waste coconut shells (CS) as the reductant in the reduction roasting-magnetic separation of an iron ore overburden sample is explored.

Heavy metals contamination of post-mining mounds of …

The main objectives of this paper are to present the impact of former iron ore mining on the transformation of the soil cover and to demonstrate how these …

Understanding Overburden in Mining: A Comprehensive …

Overburden soil is removed above the coal seams before extracting the ore. Dragline excavator. Overburdens Management. Overburden management has a major impact on surface mining planning. Since overburden excavation starts immediately when mining operations commence, handling procedures need to be well planned for the removal and …

Vetiver grass: An environment clean-up tool for heavy metal

The different parameters studied provide a comprehensive understanding of the potential of vetiver grass as an alternative mean to vegetate metal-contaminated soil. The physico-chemical parameters and heavy metal content in iron ore mine-soil demonstrated that the concentration of Fe was highest, followed by Al, Cu, Zn, Cr, Mn …

A Sustainable Approach to Transforming Mining Waste …

Secondly increased toxicity in the crops in nearby fields through intake via contaminated soils as well as groundwater. ... The mapping of wastes such as solid waste dumps, tailing ponds, overburden, ore stakes, etc. can help to determine its extent. ... Iron Ore: Iron-bearing materials are processed for alloy production using different ...

Physical, chemical and microbiological characterization of the soils …

2.2. Field layout and sampling. The study area was separated in three sites (Fig. 1 C): Site I) sandy sediment; Site II) iron ore tailing mud; and Site III) pasture soil (not contaminated).From the riverbank to the pasture soil, three sampling lines of 10 × 50 m (Fig. 1 C) were drawn on the soil (area of 1200 m 2).Samples were collected from 0 to 5 …

[PDF] Phytoremediation: a novel approach for utilization of iron-ore …

This paper addresses and reviews the status of phytoremediation as a technology to reduce and control contaminated mine wastes, and discusses several plant species that are capable of phytoextracting and/or phytostabilizing harmful elements from contaminated soil and water. Large quantities of iron-ore tailings are being generated annually in the …

Treatment of Soil Contaminated by Mining Activities to …

In this research, a contaminated soil from the mining district of Linares was studied for its use as a raw material for the conforming of ceramic materials, bricks, dedicated to construction. Firstly, the contaminated soil was chemically and physically characterized in order to evaluate its suitability.

Vetiver grass: An environment clean-up tool for heavy …

The different parameters studied provide a comprehensive understanding of the potential of vetiver grass as an alternative mean to vegetate metal-contaminated soil. The physico-chemical parameters and heavy metal content in iron ore mine-soil demonstrated that the concentration of Fe was highest, followed by Al, Cu, Zn, Cr, Mn …

Potential ecological and human health risks of heavy …

Soils contaminated with heavy metals may pose very dangerous effects to human health and the environment. Contaminants impairing the soils from iron ore-mining ac-

Geochemical features of soils from the Mid-Ural ore deposit

Soil samples were taken in the zone of the iron ore deposit, in the zones of overburden and gold mining waste dumps influence, and in the rock blasting site. A total of 64 sample plots were laid.

Challenges and potential approaches for soil recovery in iron …

Ecological Restoration of Degraded Habitats of Jajang Iron …

Mining activities in Jajang iron and manganese ore mines located in Keonjhar district of Odisha, India starting from mineral explorations to production and transport are causing environmental damage in many ways, which includes deforestation, loss of topsoil, accelerated soil erosion, migration of wildlife and avifauna, and addition …

Stabilization of Iron Ore Mine Spoil Dump Sites With Vetiver System

Impact of plantation on iron ore mined overburden at Durg in Chhattisgarh, India: Banerjee et al. (2016) Vetiver grass: An environment cleanup tool for heavy metal contaminated iron ore mine soil: Roongtanakiat et al. (2008) Effects of soil amendment on growth and heavy metals content in vetiver grown on iron ore tailings:

Vetiver Grass Environmental Model for Rehabilitation of Iron Overburden

Mine tailings expose the earth crust to environmental contamination necessitating to fix the metal and metalloid contaminants in the over burden soil, and rehabilitation of spoil dumps. The use of plants to stabilize and inactivate the potentially toxic compounds in such soil could be an effective low cost green technology. However, …

Heavy metals contamination of post-mining mounds of …

> Co > Cd; (2) PMM are more contaminated by heavy metals than their surroundings; (3) within PMM, overburden is much more contaminated by HM than paleosols; (4) the rate of penetration of HM into ...

Heavy metals contamination of post-mining mounds of former iron-ore

The main question of the present study is how much are the former post-mining mounds (PMM) - the ancient remnants of mining of a provisional nature located in forest areas-contaminated by heavy metals (HM). To investigate if the PMM contain HM, we collected 15 soil samples from PMM and, for comparison, 15 from the surroundings - all these …

Heavy metal biosorption by Fusarium strains isolated from iron ore

The aim of the present study was to evaluate Fusarium species/strains isolated from iron mined overburden soil for biosorption of the heavy metal (Co, Cu and Mn).

GEO ENVIRONMENTAL IMPACT & ITS MANAGEMENT …

The environmental problems associated with the iron ore mining are diverse. The removal of vegetation, top soil, overburden/waste and ore, brings about the inevitable natural consequences, which manifest in many ways, deforestation, climatic change, erosion, air and water pollution and health hazards.

Production of sustainable hot mix asphalt from the iron ore overburden

The ore-to-overburden ratio for surface mining is generally around 1:5 to 1:2 depending on local situations (Feng et al., 2021, Yellishetty et al., 2008).In 2008 and 2009, about 75 % of overburden materials and 25 % of tailings were generated as solid residues in Minas Gerais, Brazil (Schatzmayr Welp Sá et al., 2022).However, to the best of the …

Iron Ore Mining, Waste Generation, Environmental Problems …

Contamination of soils may result from water discharge, runoff, seepage from tailings impoundments, pits and mine workings, as well as from the overburden, waste rock, and …

Effects of Soil Amendment on Growth and Heavy Metals

Thus, vetiver grass can be successfully Verma et al. (2017) Impact of plantation on iron ore mined overburden at Durg in Chhattisgarh, India Banerjee et al. (2016) Vetiver grass: An environment ...

Iron Ore Mining, Waste Generation, Environmental Problems …

Goan (India) iron ore has a relatively high overburden to ore ratio (of an average of about 2.5 to 3:1) and thus generates a large quantity of waste material. Since the size of mining leases are small, mining companies often acquire land outside their lease area to dump waste material.(ISID, 2012) Lands being in short supply, waste dumps are ...

Overburden management in open pits: options and limits in …

Overburden handling has important impacts on surface mining projects and has to be carefully planned considering both mining activities and site rehabilitation [1], [2].Overburden handling activities start at the beginning of the mining project, when a huge amount of material from initial underground development or stripping is removed for site …

Remediation of mine overburden and contaminated water …

The land left post-mining is degraded and is a possible cause of water contamination [2]. The mine overburden (OB) leaches heavy metals (HMs) into the nearby waterbodies and soil. ... Preparation and application of soil conditioner using iron ore tailings-biochar composite material. Alexandria Engineering Journal, Volume 94, …

Stabilization of Iron Ore Mine Spoil Dump Sites With Vetiver …

Soil remediation using conventional physical and chemical engineering techniques involves soil washing, incineration, solidification, vapor extraction, thermal …

Comprehensive assessment of harmful heavy metals in …

The soil contamination assessment and investigation of soil quality have to be still regulated worldwide. This study has reviewed and presented a set of maps with …

Effects of constructing farmland with large amounts of iron …

The field capacity under T3 (20-cm iron tailings layer below cinnamon soil (b)) was 19.20% higher than that under T7 (20-cm red clay layer below cinnamon soil (b)), and the field capacity under T5 ...