· Phytoremediation is a potentially cost-effective way to remediate highly contaminated mine tailing sites. However, nutrient limitations, especially the deficiency of nitrogen (N), can hinder the growth of plants and impair the phytoremediation of …

 · Conventional technologies for remediation of mine tailings have focused on physical and chemical stabilization. Physical stabilization entails covering mine waste with an innocuous material, generally waste rock …

Phytoremediation is an emerging technology for the remediation of mine tailings, a global problem for which conventional remediation technologies are costly. There are two approaches to phytoremediation of mine tailings, phytoextraction and phytostabilization.

 · There are two approaches to phytoremediation of mine tailings, phytoextraction and phytostabilization. Phytoextraction involves translocation of heavy metals from mine …

Downloadable! At present, the application of phytoremediation technology in the ecological remediation of heavy metal tailings is receiving more and more attention. In this study, the physiological and biochemical response and tolerance mechanism of woody plant Nerium indicum to Pb and Zn under different proportions of inorganic modifier calcium carbonate …

Revegetation and phytoremediation of tailings from a lead/zinc mine and land disposal of two manganese-rich wastes. View/ Open. Thesis. (12.66Mb) Date 2007. Author. ... (BEE) enterprises in South Africa (SA) during the 1990s have been constrained, in part, by a lack of access to capital. Even if capital can be ... DSpace software copyright ...

 · Mine tailings disposal sites from either inactive or abandoned mine sites are prevalent in arid and semiarid regions throughout the world. Major areas include northern Mexico and the Western United States, the …

Phytoestraction of metals from contaminated soil: a review of plant/soil/metal incineration and assessment of pertinent agronomic issues. M. Lasat. Environmental Science. 1999. Phytoremediation is an emerging technology that employs the use of higher plants for the cleanup of contaminated environments.

 · The Mine Tailings Working Group of South Africa, a partnership of civil society groups including the Bench Marks Foundation, Federation for Sustainable Environment (FSE). ... Waste from gold mines constitutes the largest single source of waste and pollution in South Africa. Gold mining waste was estimated to account for 221 million tonnes or 47 ...

 · Mine tailings disposal sites from either inactive or abandoned mine sites are prevalent in arid and semiarid regions throughout the world. Major areas include northern …

 · By Ayanda Msimang, Claire Tucker Monday, September 19, 2022. The possibility of tailings dam failure, highlighted by the recent Jagersfontein tragedy, highlights the need for particular care when assessing the risks of a transaction in the mining and minerals processing sectors. In South Africa, a different regulatory regime applies to …

 · A new project to determine the potential for phytoremediation of mine tailings and production of bio-ores, through the identification of plant species that can accumulate heavy metals, was initi- ated in 2000 at the Central Manitoba (Au) minesite in southeastern Manitoba (Fig. GS-21-1).

 · Phytoremediation of Mercury-Contaminated Mine Tailings by Induced Plant-Mercury Accumulation - Volume 6 Issue 2. ... The results suggest that there is potential for induced plant Hg accumulation for phytoremediation of Hg-contaminated sites. Issues of Hg leaching and volatilization, however, need to be addressed before this technology can be ...

Mining of minerals such as gold, copper, and platinum has been one of several activities sustaining the economy of South Africa. However, the mining sector has contributed significantly to environmental contamination through the improper disposal of mine tailings which covers vast areas of land. Therefore, this study utilised a vitrification process to …

 · In this study, a total of 419 mine tailing samples were collected from four mining sites in Northern South Africa ( Fig. 1 ). A brief description of each mineralogical setting …

：. Phytoremediation is an emerging technology for the remediation of mine tailings, a global problem for which conventional remediation technologies are costly. There are two approaches to phytoremediation of mine tailings, phytoextraction and phytostabilization. Phytoextraction involves translocation of heavy metals from mine tailings ...

T1 - Phytoremediation of mine tailings in temperate and arid environments. AU - Mendez, Monica O. AU - Maier, Raina M. PY - 2008/1. Y1 - 2008/1. N2 - Phytoremediation is an emerging technology for the remediation of mine tailings, a global problem for which conventional remediation technologies are costly. There are two approaches to ...

 · In most contaminated soils and mine tailings, mercury (Hg) is not readily available for plant uptake. A strategy for inducing Hg mobilization in soils to increase accumulation potential in plants was investigated to enhance Hg phytoremediation.

 · Physical treatment, such as dumping, covering, or solidifying, is the simplest remediation method used in almost all types of mine tailings. It is a quick and effective …

The original aims of this project were to investigate the potential for phytoremediation, with emphasis on metal accumulation, of three contrasting industrial processing wastes. These were tailings material (PT) from the decommissioned Pering Pb/Zn Mine (Reivilo, North West Province, South Africa (SA)), smelter slag (SS) from the Samancor Mnsmelter …

Mine tailings represent a serious environmental pollution problem and techniques such as phytoremediation using plant growth-promoting bacteria become an important solution due to their environmentally friendly nature. The study performed using Brassica juncea L. (Indian mustard) and plant growth-pr …

Table 6.4 Diethylenetriaminepentaacetic acid-extractable metal concentrations in the slag (SS) from the Samancor Mn-smelter and electro-winning waste (EW) from MMC and ethylenediaminetetraacetic acid (EDTA)-extractable metal concentrations of surface soils in South Africa - "Revegetation and phytoremediation of tailings from a lead/zinc mine and …

 · We found that: (1) there has been substantial progress in identifying species suitable for phytoremediation; (2) few studies evaluated the feasibility of organic …

 · This study demonstrates that phytoremediation can substantially decrease dust emissions as well as the transport of windblown contaminants from mine tailings. Graphical Abstract 1. Introduction Hard rock mining activities are prevalent in arid and semiarid regions throughout the world.

 · Phytoremediation is a plant-based approach, which involves the use of plants to extract and remove elemental pollutants or lower their bioavailability in soil ( Berti and Cunningham, 2000 ). Plants have the abilities to absorb ionic compounds in the soil even at low concentrations through their root system.

 · September 12, 2022 Media Contact: Brendan McLaughlin, bmclaughlin@earthworks, +1 (206) 892-8832 BACKGROUND: On the morning of September 11, a tailings dam collapsed at the closed Jagersfontein diamond mine in Free State, South Africa. Local news reports the flood of mine waste killed at least three …

Jones, M. Q. W. A century of gold mining in the Witwatersrand Basin has resulted in extensive tailings storage facilities (TSFs) containing pyrite, which on decomposition releases acid mine drainage (AMD) to the environment. Decontamination using conventional pump and treat technologies is costly and often ineffective.

Summary This paper summarizes the results obtained in 2002–2003 from a study initiated in 2000 to determine the potential for revegetation, phytoremediation and phytomining of gold mine tailings at Central Manitoba (Au) minesite in south- eastern Manitoba.

 · BACKGROUND: On the morning of September 11, a tailings dam collapsed at the closed Jagersfontein diamond mine in Free State, South Africa. Local news reports the flood of mine waste killed at least three people, and injured 40.The failure swept away houses, damaging at least 20.The tailings flowed over 8 km and left a path over 1.5 km …

 · of South Africa, Florida Campus, Johannesburg, South Africa Abstract ˜ e study noted that acid neutralising, calcite and dolomite bearing material was avail-able at Glynn's mine tailings material that can be used to neutralise the acid generation capability of Nestor's mine tailings. ˜ e acid neutralising material would improve the

 · Phytoremediation is beneficial to processes such as phytoextraction and phytostabilization of soil metals, biomass and biofuel production, and carbon …

 · In a second study, platinum tailings in South Africa were revegetated with seeds from a mixture of grasses and amended with (applied at 15 t ha −1) ... Phytoremediation of mine tailings sites is a promising strategy. Available evidence suggests that phytoextraction, due to high cost and lengthy treatment times, will be limited to sites where ...

 · Having presented a poster that outlined research into the phytoremediation of gold tailings at the Klein Letaba tailings storage facility (TSF), she explained that high …

 · M.Q.W. Jones Abstract A century of gold mining in the Witwatersrand Basin has resulted in extensive tailings storage facilities (TSFs) containing pyrite, which on …