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Vol 35 2019 EQA

Apr 29, 2019 0183 32 Levels of heavy metals and contamination status of a decommissioned tailings dam in Ghana Emmanuel Sey, Ebenezer J D Belford 33-50 PDF PDF Evaluation of Soil Quality under Date Palm Plantation for Climate Change and Food Security in Gombe State University, Gombe Nigeria Jimoh Abdulwahab Ibrahim ....

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PDF Trace elements contamination of soils around gold ,

This study investigated the issue of tailings dams as a potential source of trace elements contamination in soils at the Obuasi gold mine in Ghana Soil samples taken from depths of up to 12 cm and within a radius of 400 m from the tailings dams...

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Johnson MANU Professor Associate University of Ghana ,

The aim was to outline effective remediation strategy for As, hence the objectives were to establish 1 Arsenic degradation capacity of the decommissioned tailings ,...

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View of Levels of heavy metals and contamination status of ,

View of Levels of heavy metals and contamination status of a decommissioned tailings dam in Ghana Previous...

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Tailingsinfo Tailings Storage Guidelines and Standards

Tailings Storage Guidelines and Standards Figure1 Key tailings management documents used in industry Introduction There exists a large volume of documentation relating to all aspects of design, construction, operation and closure of tailings facilities in the form of manuals, technical papers, conference proceedings and textbooks Anglo 2005...

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Speciation of As III and As V in water and sediment ,

Mar 15, 2013 0183 32 This facility did not exist during operation of the old decommissioned dam Antwi-Agyei et al 2009 Kim et al and Bruce et al indicated that gold mine tailings dams were implicated as source of trace elements contamination in adjoining environmental media, including soils, river water, and sediments Consequently, the As contamination of ....

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Trace elements contamination of soils around gold mine ,

Levels of As, Cu, Pb and Zn in soils around active and decommissioned gold mine tailings dams at Obuasi, Ghana mg/kg Trace element Tailings dam sites Total count Mean SE mean StDev Min Median Max Range As Active 9 581 130 389 178 493 1473 1295 Decommissioned 9 1711 172 517 700 1885 2430 1730...

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Sampling tubing effects on groundwater samples Semantic ,

Arsenic As sorption characteristics in decommissioned tailings dam environment at the Obuasi mine, Ghana was studied The aim was to outline effective remediation strategy for As, hence the , Expand...

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Analysis of mine water from four decommissioned pits in ,

Apr 06, 2017 0183 32 Research into water quality status of accumulated water in decommissioned pits is a grey area in Ghana and could be of significant benefit in the effectiveness of remediation of pits after mining Water sampled from four decommissioned pits in Amansie West District were analysed for their water quality status...

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Tailings management Sustainability Gold Fields Ghana

Tailings management Gold Fields Ghana is committed to the safe and stable design, sustainable development, construction, operation and closure of our tailings storage facilities TSFs To ensure this, tailings management at Gold Fields Ghana is governed by Far East Tailings Storage Facility at Damang mine Ghana Minerals and Mining Health ....

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PDF Arsenic Sorption Characteristics in Decommissioned ,

Arsenic Sorption Characteristics in Decommissioned Tailings Dam Environment at the Obuasi Mine, Ghana , Arsenic Sorption Characteristics in Decommissioned Tailings Dam Environment at the Obuasi Mine, Ghana Research Journal of Environmental and Earth Scienc Gordon Foli PhD Download PDF Download Full PDF Package...

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Prof Gordon Foli

Arsenic sorption characteristics in decommissioned tailings dam environment at the Obuasi mine, Ghana Research Journal of Environmental and Earth Sciences 5 10 599-610 2013 Arsenic As sorption characteristics in decommissioned tailings dam at Obuasi mine....

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E P Ghana Tailings Dam Construction

Jan 21, 2012 0183 32 In 2010, Engineers Planners won a contract to construct a Tailings Storage Facility for Goldfields Ghana at their Tarkwa Mine site in Ghana This short v...

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PDF Trace elements contamination of soils around gold ,

Soils in the vicinity of the decommissioned tailings dam registered increased values -1711 177 172, 7144 177 527, 3867 177 359 and 1681 177 362 mg/kg for As, Cu, Pb and Zn respectively...

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NEWMONT GHANA GOLD LTD AHAFO SOUTH PROJECT ,

Reclamation of the TSF will commence upon termination of tailings deposition Reclamation objectives for the TSF include controlling erosion, managing stormwater runoff, minimizing dust generation, and establishing vegetation on the facility Based upon testing by Newmont Ghana Gold Ltd NGGL , the tailings appear to be non-acid generating...

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Decommissioning Projects

The reclamation of the Helmsdorf tailings dam is to be completed by 2022, that of the Königstein and Schlema-Alberoda mines by 2025, and that of the Culmitzsch tailings dam by 2028 After that, treatment of contaminated water and effluents will still be required at Wismut s former sites for decades to come...

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Vale continues tailings dam decommissioning

Feb 12, 2020 0183 32 Vale continues tailings dam decommissioning Brazil iron ore major Vale expects to book US 671 million in net new provisions related to its tailings dam decommissioning programme when it reports full-year 2019 and December-quarter financial results next week Vale gives update on dam decharacterisation work...

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Distribution of Arsenic and Heavy Metals from Mine ,

Municipality of Ghana One active Sanso tailings dam and two abandoned Pompora and Dokyiwa mine tailings dams in Obuasi gold mine site, were selected for the collection and analysis of the tailings The concentrations of As, Fe, Mn, Cu and Zn were determined using an atomic absorption spectrometer AAS, Varian Models 240FS...

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decommissioned tailings dams in ghana

decommissioned tailings dams in ghana - 80-100TPH Stone , After a tailings dam is decommissioned, , mine tailings dams at Obuasi, Ghana , Know More Coal Tailings - World News Coal washing plant tailings, coal washing plant tailings, ATV Hire Traverses a Coal Tailings Pit, 3 Meter Belt Press Dewatering Coal Tailings, ....

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decommissioned tailings dams in ghana

Levels of As, Cu, Pb and Zn in soils around active and decommissioned gold mine tailings dams at Obuasi, Ghana mg/kg Trace element Tailings dam sites Total count Mean SE mean StDev Min Median Max Range As Active 9 581 130 389 178 493 1473 1295 Decommissioned 9...

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Technical Report Design and Evaluation of Tailings Dams ,

Design, and Analysis of Tailings Dams BiTech Publishers Ltd 1990 This is particularly true of certain concepts and organizational emphases, as well as many of the tables and figur In some cases, this document presents a digest of Vick s overall approach to ,...

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How big is the mining sector tailings dam problem?

Mar 04, 2019 0183 32 The Córrego do Feijão dam had been inactive for about three years, and Vale said it was in the process of being decommissioned, ie being declassified as a dam and reintegrated into the environmentJust how many inactive dams have been decommissioned is uncertain little surprise, given the lack of even basic aggregate information...

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Sketch Map of Ghana showing research location Download ,

Arsenic As sorption characteristics in decommissioned tailings dam environment at the Obuasi mine, Ghana was studied The aim was to outline effective remediation strategy for ,...

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Decommissioning Projects

Sep 14, 2017 0183 32 Liefferink says the Lancaster dam in Krugersdorp, which is surrounded by tailings dams, is the source of the Wondersfonteinspruit The stream is now filled with acid mine water and its wetlands had been classified as the radiological hotspot by the by the Nuclear Regulator Lancaster dam historically was indeed the source of the most pristine ....

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Johnson Manu BSc, MBA Ghana , MSc, PhD Germany ,

Aspects of the Chemical Composition of the Birimian Gold Flu Journal of Earth Sciences Geotechnical Engineering vol 3, no 4, 87-106 Manu, J Asiedu, D K and Anani, CY 2013 Geochemistry of Birimian phyllites from the Obuasi and Prestea Mines, Southwestern Ghana Implications for provenance and source-area weathering...

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Decommissioning of Uranium mill tailings ponds at WISMUT ,

Abstract Approximately 577 ha of Uranium mill tailings ponds containing approx 154 Mio m 3 of mill tailings were left as part of the legacy of the uranium mining and milling in Eastern Germany The decommissioning of these tailings ponds belongs to the most challenging tasks of the entire Wismut remediation project...

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Tailings Facilities

the tailings dam operator Weekly combined inspections by the Mine and tailings dam operator Monthly combined inspections by the Mine, consultant, tailings dam operator and the private consultant annual aerial inspections TMF Monitoring 20 Frequency of internal inspections if any Daily inspections by the tailings dam operator Weekly combined...

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Vale continues tailings dam decommissioning

Feb 17, 2020 0183 32 Brazil iron ore major Vale expects to book US 671 million in net new provisions related to its tailings dam decommissioning programme when it reports full-year 2019 and December-quarter financial results next week Highlights Following two catastrophic TSF failures in Brazil, a call was made for international standards to be developed to ....

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Jones Mantey, CEnv PhD, MCIWEM, MIEMA

Jun 10, 2020 0183 32 Regional Sustainability Manager, Technical at Gold Fields Ghana, West Africa Ghana 465 connections Join to Connect Gold Fields Ghana, West Africa Kwame Nkrumah University of Science and Technology, Kumasi , Reclamation of decommissioned STSF Tailings dam 2003 - 2003 Resettlement Action Plan for Badukrom and Wangarakrom ,...

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ENVIRONMENTAL MANAGEMENT PLAN, GOLD MINE DECOMMISSIONING ,

Tailings ponds can also be a source of acid drainage, leading to the need for permanent monitoring and treatment of water passing through the tailings dam Dry Stacking Tailings do not have to be stored in ponds or sent as slurries into rivers An alternative is dewatering tailings, using vacuum or pressure filters, so they can then be stacked...

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