gold mine tailing mulugisi et al 29

gold mine tailings treatment in nepal

Gold Mine Tailings Treatment In Papua New Guinea Arsenic Mine Tailings And Health I study on metals recoveryrecycling from acid mine drainage phase ia literature survey for mend treatment committee prepared by o Inquire now porgera gold mine riverine tailings and waste The porgera gold mine is situated in enga province in the central highlands of papua new guinea png, approximately

Mulugisi G's research works

Mulugisi et al 2009 and Mitileni et al 2011 indicated that tailings dams in the GGB have elevated concentration of Pb, Cr, Cd, As and Zn The release of these elements due to wind, water

Assessment of Heavy Metals in Mining Tailing Around Boroo

The purpose of this study is to apply the sequential extraction procedure according to Li and Thornton 12 and Tessier et al 13 for gold mining tailings around Boroo and Zuunkharaa small scale gold mining areas of Mongolia and compare mobility of heavy metals such as Fe, Mn, Al, Pb, Cd and As and to determine their dispersion for each settled

Historic Gold Mine Tailings in Nova Scotia G E O S C I E N

Gold Mine Tailings in Nova Scotia J Drage Introduction Historic gold mining in Nova Scotia produced over 3 million tonnes t of tailings Parsons et al , 2012 During this period, no environmental regulations were in place and tailings were commonly discharged into streams, ponds, rivers, wetlands and surface depressions

August Kruger EcoRestore

Nel et al 2014:97 elaborates that the adverse chemical and physical properties regularly encountered with gold and other tailings, inhibits natural vegetation colonisation and increases the difficulty of successfully establishing sustainable vegetation communities on mine tailings if it is used as a growth medium, this is also supported by

PDF An investigation of the bioaccumulation of chromium

The pH of mine tailing dam A was 3 23 to 3 34 and for tailing dam B were, 3 25 to 3 29 making both tailing acidic while for the control site, it was slightly alkaline at 7 56

Utilization of sulphidic tailings from gold mine as a raw

Ahmari and Zhang 2012 utilized sulphidic copper mine tailings from Arizona, Panias and Giannopoulou 2007 used overburden, red mud, and flotation tailings from the Greek mining industry and Chen et al 2011 researched hematite tailings in China as a raw material of producing alkali activated construction bricks They produced

Leachability of Arsenic and Heavy Metals from Mine

Nov 17, 2009Ł Introduction Mining operations generally produce many types of mine wastes, including mine tailings, waste rock and slag Mine tailings out of those, in particular, act as a main source of environmental contamination Arsenic As and heavy metals may be released from the mine wastes to the ground and surface water systems, as well as the geological environment due to their

Effects of Tailings Gradation on Rheological Properties of

The key technology in filling mining is the gravity transportation of high density slurries, and the filling system design is a significant part of this technology The filling effect depends on the fluidity of the filling slurry To investigate the influence of the gradation of tailings on the rheological properties of the filling slurry, this study uses particle size analysis to prepare

Impact of fresh tailing deposition on the evolution of

The abandoned Manitou mine site has produced acid mine drainage AMD for several decades In order to limit the detrimental environmental impacts of AMD, different rehabilitation scenarios were proposed and analyzed The selected rehabilitation scenario was to use fresh tailings from the neighboring Goldex gold mine as monolayer cover and to maintain an elevated water table In order to

The impact of artisanal mining on rehabilitation efforts

Jun 13, 2019 The study area The Sutherland goldfield is a 70 km long north easterly trending greenstone sequence found along the north eastern corner of the Limpopo province of South Africa Steenkamp Clark Mostert 2012 The abandoned mine sites studied in this work include the New Union Mine found at Ka Madonsi village, Louis Moore Mine in the vicinity of Mavalani and Xikhukwani

Pyrite enhanced chlorination roasting and its efficacy in

However, gold tailings are also a secondary resource since they contain significant amounts of potentially recoverable gold, silver, copper, zinc iron and so on , Ahlem, et al stated that the quantity of gold mine tailings in Canada was about one billion tons for 2017, and the value of the metals estimated at $10 billion USD Therefore

Ecological and human health risks associated with

Feb 21, 2017 Soil samples were collected within a 20 m radius of abandoned Au mine tailings dumps in three different areas in Krugersdorp located at 26° 7 56 S and 27° 48 13E Site 1, 26° 8' 34S and 27° 48' 28E Site 2, and 26° 7' 40 S and 27° 48' 57E Site 3 Fig 2 Gold mining in these sites had ceased more than a decade ago

Environmental impact of mining

Environmental impacts of mining can occur at local, regional, and global scales through direct and indirect mining practices Impacts can result in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by the chemicals emitted from mining processes These processes also have an impact on the atmosphere from the emissions of carbon which have

Physicochemical and mineralogical characterization of

Several studies elsewhere in the world have observed that copper mine tailings can be converted or utilized in environmental friendly construction materials through geopolymerization Ren et al , 2014, Oluwasola et al , 2014, Tariq and Yanful, 2013 Yun Wang Choi et al , 2009, Ahmari and Zhang, 2012 Geopolymerization is a relatively new technology that utilizes high alkaline conditions at

Potential utilization of artisanal gold mine tailings as

Chemical compositions of gold mine tailings The chemical compositions of mine tailings shown in Table 1 indicate that SiO 2 is the most abundant component of the samples, which varied from 52 2 to 77 3 by weight Although all samples also contain Al 2 O 3, CaO and Fe 2 O 3, they are present in variable amounts Table 1 The samples also contain minor to trace amounts of K 2 O, TiO 2, MnO, Cr

Mine tailings reclamation project improves water quality

McLaren Gold Mine Mill near Cooke City, Montana, in 1946 ONey et al 2011 In 2014, the Montana Department of Environmental Quality DEQ completed the McLaren Tailings Reclamation Project, culminating five years of environmental construction work Practical Failure Analysis 1:2529 Hill, R D 1970 McLaren mine tailings mine

August Kruger EcoRestore

Nel et al 2014:97 elaborates that the adverse chemical and physical properties regularly encountered with gold and other tailings, inhibits natural vegetation colonisation and increases the difficulty of successfully establishing sustainable vegetation communities on mine tailings if it is used as a growth medium, this is also supported by

Assessment of As and Hg in Mine Tailings and Indigenous

The studies of Mulugisi et al 2009 and Magonono et al 2010 at New Union Gold Mine demonstrated the presence of heavy metals such as manganese, zinc, copper, lead, As, cadmium, and cobalt in the mine tailings The study of Winde et al 2004 showed that the contamination of the streams adjacent to the Witwatersrand goldfields mine

The Distribution of Toxic Metals in Sediments: Case study

mine tailings are a source of heavy metals in sed iments due to water erosion Meza Figura et al 2009 Though other studies have indicated the pres ence of heavy metals in the mine tailings, Cyn odon dactylon and Hyparrhenia grasses grass species at New Union Gold Mine Mulugisi et al 2009 there is no data on the distribution of heavy

PDF The Distribution of Toxic Metals in Sediments: Case

Rafiei et al , reported a pH value of 7 35 in gold mine tailings in Iran, whereas Mitileni et al , reported pH values of 3 25 6 28 in South Africa and Harish and David pH value of 3

Environmental impact of mining

Environmental impacts of mining can occur at local, regional, and global scales through direct and indirect mining practices Impacts can result in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by the chemicals emitted from mining processes These processes also have an impact on the atmosphere from the emissions of carbon which have

gold mine tailings treatment in nepal

Gold Mine Tailings Treatment In Papua New Guinea Arsenic Mine Tailings And Health I study on metals recoveryrecycling from acid mine drainage phase ia literature survey for mend treatment committee prepared by o Inquire now porgera gold mine riverine tailings and waste The porgera gold mine is situated in enga province in the central highlands of papua new guinea png, approximately

Bioaccumulation of Toxic Metals by Hyparrhenia Grass

the studies of Okunola et al 2007 and Mulugisi et al 2009 who found almost similar levels of these toxic metals in an urban tarmac road and mine tailings respectfully The study by Ogola et al 2009 observed high concentration of Mn up to 112 87 mg/kg in the soil at Makhado Township which was lower compared to this study

Review of Environmental and Health Impacts of Mining in

Large scale mining, also known as legal mining, generates more than 95 percent of the world's total mineral production and employs approximately 2 5 million people across the world 13 In Ghana, there are 19 large mining companies operating approximately 16 gold mines, one bauxite mine and one manganese mine 2 These companies are largely

Garry W Stroud, et al : Litigation Release No 17057

united states securities and exchange commission litigation release no 17057 , june 29, 2001 securities and exchange commission v garry w stroud, individually and d/b/a diamond global holding trust, euro credit and exchange bank ltd , and angelic international case no civ 01 999 l, usdc, western district of oklahoma, oklahoma city division

An investigation of the bioaccumulation of chromium and

environment Conesa et al , 2006 Mulugisi et al , 2009 Toxic metals originating from abandoned gold mine tailings may have a huge impact on the environment and human health Wong et al , 1999 According to Zayed and Terry 2003, chromium Cr is considered the

Potential utilization of artisanal gold mine tailings as

Chemical compositions of gold mine tailings The chemical compositions of mine tailings shown in Table 1 indicate that SiO 2 is the most abundant component of the samples, which varied from 52 2 to 77 3 by weight Although all samples also contain Al 2 O 3, CaO and Fe 2 O 3, they are present in variable amounts Table 1 The samples also contain minor to trace amounts of K 2 O, TiO 2, MnO, Cr

Phytostabilization of Mine Tailings in Arid and Semiarid

Dec 17, 2007 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 Pacific coast of South America Chile and Peru, southwestern Spain, western India, South Africa, and Australia Munshower 1994 Tordoff et al 2000

Effects of Tailings Gradation on Rheological Properties of

The key technology in filling mining is the gravity transportation of high density slurries, and the filling system design is a significant part of this technology The filling effect depends on the fluidity of the filling slurry To investigate the influence of the gradation of tailings on the rheological properties of the filling slurry, this study uses particle size analysis to prepare

PDF Evaluating the suitability of Paspalum as a

The pH and electrical conductivity of the mine tailings soil were determined following the procedure of Mulugisi et al The collected soil and grass samples were analyzed by Varian Spectra

The Use of Indigenous Grass Species as Part of

deviation SD The procedure by Li et al 2007 and Moreno Jiménez et al 2009 for the bioaccumulation coefficient of the grass species was followed 3 RESULTS AND DISCUSSION PH and Heavy Metal Distribution of Tailings at New Union Gold Mine The pH of the tailings soils at New Union Gold Mine were acidic Table 1

Geotechnical Properties of Mine Tailings Journal of

For example, the Caren tailing impoundment in central Chile was retained by an earth fill dam with a maximum height of 108 m James et al 2011, the Bahuerachi tailing dam in Mexico was designed with a maximum height of 100 m with the capacity of 200 million m 3 tailings, and the Yuhezhai iron tailing dam in Yunnan, China, was designed to a

Alkali activation as new option for gold mine tailings

Jun 20, 2018 Table 2 presents the main elements of the raw materials and the physical properties of the mine tailings used Mine tailings are fine grained materials with a mean particle size of around 49 μm and consist mainly of SiO 2, Al 2 O 3, and CaO In addition, a significant amount of iron, around 10 , and a high level of sulphur content were detected , confirming the presence of the crystalline

Solidification/stabilization of gold mine tailings using

Dec 01, 2019 Zhang et al 2019 investigated the immobilization of arsenic rich mine tailings using metallurgical slag cement materials They obtained good immobilization results of arsenic, and the stabilization was found to be mainly solidification as alkaline arsenate

Impact of fresh tailing deposition on the evolution of

The abandoned Manitou mine site has produced acid mine drainage AMD for several decades In order to limit the detrimental environmental impacts of AMD, different rehabilitation scenarios were proposed and analyzed The selected rehabilitation scenario was to use fresh tailings from the neighboring Goldex gold mine as monolayer cover and to maintain an elevated water table In order to

PDF The Use of Indigenous Grass species as part of

The studies of Mulugisi et al 2009 and Magonono et al 2010 at New Union Gold Mine demonstrated the presence of heavy metals such as manganese,

Tangle Foot Montana Gold and Mineral Mines com

Few production records were kept during this period but it has been estimated the Basin district produced about $8,000,000 in gold Pardee and Schrader 1933 Becraft et al 1963 Most mining throughout the region south of Helena, from this point on, consisted of smaller scale operations, carried out with limited capital and equipment