MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Tailing yard antiseepage Environmental impact assessment
6 Seepage Assessment for Tailings Storage Facilities
An assessment of the quantity of seepage from a tailings facility, both during operations and in closure, requires insight to the hydraulic properties of the deposited tailings, pond geometry, This Tailings Storage Facility (TSF) Heap Leach Facility (HLF) Environmental Management Standard (the “Standard”) sets the minimum Newmont requirements for the management of Tailings Storage Facility and Heap Leach Facility Environmental A review of the existing risk assessment of the conditions at the Boliden Tara Mine (BTM) Tailings Storage Facility (TSF) was completed to identify the impact of a Care Maintenance period of Risk Assessment Tailings Storage Facility EPA2021年3月5日 Representative conceptual models relevant to site conditions are essential to reduce risks associated with seepage and migration of contaminants in groundwater We provide an overview of the elements of developing a site Site Conceptual Modelling for Tailings Storage Facility
Environmental Impact Assessment of Mine Tailings
2022年9月28日 In this article, the environmental impacts caused by tailings storage facility accidents where spills have occurred are analyzed, describing and characterizing: (i) the magnitude of the impacted area, (ii) identification of the 2024年8月6日 In this Review, we provide an interdisciplinary approach to understanding the causes, effects and response to TSF failures, applying a disaster risk reduction framework Tailings storage facilities, failures and disaster risk Nature 2022年8月1日 Used three nearby metal tailings ponds with different service times, we aimed to reveal seepage pollution trends on spatiotemporal scales and the response of soil microbial Insights into the spatiotemporal differences in tailings seepage 354 Shortterm impact 75 355 Longterm impact 77 4 CASESTUDIES 79 41 CASE STUDYA 79 411 Sitelocation anddrainage 79 412 Reclamation andrehabilitation status 79 413 The environmental impact of seepage from gold mine tailings
Mine Tailings Dams: Characteristics, Failure,
2014年12月1日 This paper reviews these factors, covering the characteristics, types and magnitudes, environmental impacts, and remediation of mine tailings dam failures Photo and photomicrograph of tailings2018年12月27日 The planning value of an environmental impact assessment (EIA) as a tool for determining and appraising the environmental feasibility of proposed development projects is widely recognised [1][2][3](PDF) Environmental Impact Assessment (EIA) of a gold mine tailing The environmental impact of seepage from gold mine tailings dams near Johannesburg, South Africa Submitted inpartialfulfilment oftherequirements 415 Assessment ofcontamination 80 4151 Trace element concentration insoiL 80 4152 Short The environmental impact of seepage from gold mine tailings 2021年1月16日 In largescale hydropower projects, the antiseepage curtain is an important measure to reduce the leakage of reservoirs and ensure the stability of foundation rocks In this study, an efficient procedure for the optimization design of an antiseepage curtain was proposed given the drawback of the timeconsuming and low efficiency in optimizing multiple parameters An efficient procedure for optimization design of antiseepage
Risk assessment of groundwater environmental contamination: a
2017年12月20日 This paper presents a demonstration of an integrated risk assessment and site investigation for groundwater contamination through a case study, in which the geologic and hydrogeological feature of the site and the blueprint of the fossil power plant (FPP) were closely analyzed Predictions for groundwater contamination in case of accidents were performed by 2023年11月6日 Due to nonstandard antiseepage facilities, aging failure, and other reasons, some tailings ponds have seepage problems After analysis of the geological and hydrogeological conditions of a lead–zinc mine tailings pond, an interception, blocking, and drainage (IBD) system engineering scheme was used to comprehensively control the seepage problems there In Assessing the Effectiveness of Tailings Pond Seepage Remediation An assessment of the quantity of seepage from a tailings facility, both during operations and in closure, requires insight to the hydraulic properties of the deposited tailings, pond geometry, recharge rates on exposed beaches in the facility, structure of the dam and its seepage control elements, and foundation characteristics6 Seepage Assessment for Tailings Storage Facilities2023年10月31日 Climate change poses significant threats to the water reservoir, with potential repercussions for Pakistan's economy This study investigates the impact of climatic variations on seepage in Tarbela dam, Pakistan, by analyzing hydroclimatological factors The research employs statistical multivariant time series (SARIMA and ARDL) and machine learning (ANN Trend analysis of hydroclimatological parameters and assessment
(Open Access) The environmental impact of seepage from gold
Groundwater environmental risk assessment of abandoned coal mine in each phase of the mine life cycle: a case study of Hongshan coal mine, North China Haibo Feng , Jianwei Zhou , Bo Chai , Aiguo Zhou , Jianzhong Li , Jianzhong Li , Henghua Zhu , Hongnian Chen , Su Danhui +8 more2021年3月1日 The risk assessment tool provides detailed information on the level of practice of a structure, the corresponding annual probability of failure as well as the associated riskA risk assessment tool for tailings storage facilities ResearchGate2024年8月7日 Physical model for seepage failure in tailings dams (A1, A2 represent tailings; B represents tailings clay lens; C1, C2 represent void lens; 1–1~3–2 represent the positions of pore water The impact of lenses on the seepage failure of tailings dam2021年1月1日 The Environmental Impact Assessment (EIA) is a legal and administrative tool for identifying, predicting, and interpreting the environmental impact of a project or activity and proposing preventive measures (Ferrer, 2016)The EIA was incorporated as an environmental management tool in the USA in 1970 by the National Environmental Policy Act (NEPA)The environmental impact assessment in Chile: Overview,
(PDF) Environmental Impact Assessment of Tailing Dumps
ProEnvironment 4 (2011) 27 35 Environmental Impact Assessment of Tailing Dumps (Case Study: Lupeni Coal Mine, Jiului Valley) IRIMIA Georgiana Ioana*, Liviu MUNTEAN, Dana MALSCHI ”Babe Bolyai” University, Faculty of Environmental Science and Engineering, Fântânele Street, No 30, ClujNapoca, Romania Received 8 May 2011; received 2015年6月26日 In this paper, the Guangxi's red mud disposal field is taken as the study area Appropriate calculating parameters and boundary conditions were selected based on the survey data to build a MohrCoul0mb and fluid model under the planestrain condition FLAC 3D software was adopted to simulate the distribution of pore water pressure, filtrate seepage paths, and The Analysis of the Seepage Characteristics of Tailing Dams 2023年5月15日 This study is aimed at investigating acid rock drainage reactions and the impacts of seepage composition on the release and mobility of metals from mine tailing dams Also, it seeks to inspect potential metal filtering by the soil, specify factors subjecting to metal leaching, and detect leaching metals from neutral mine tailings To this end, both the geochemical and Assessment of toxic element dispersal in water, sediments, and 2024年6月20日 The diversity of leachate composition is influenced by several factors, including the age of the landfill, the nature of the waste it contains, the landfilling techniques employed, the design of the landfill, and the prevailing climatic and hydrogeological conditions (Kjeldsen et al, 2002; AlYaqout and Hamoda, 2020)Consequently, the impact of leachate on groundwater Assessing the impacts and contamination potentials of landfill
Process effluents and mine tailings: sources, effects and management
2016年12月19日 Increasing population levels, growing economies, rapid urbanization and changes in consumption patterns have increased the demand for raw materials such as base and precious metals, leading to growing concerns regarding their availability and the global efficiency of the mine supply chain Mine tailings, consisting of process effluents that are generated in a 4 P a g e Figure 3 Trend of tailings dams failure 0 5 10 15 20 25 30 35 40 19611969 19701979 19801989 19901999 20002012 The chart shows that, tailing failure trend is progressively rising Earthquake Impact on Tailing Dam Stability ie Environmental 2016年9月29日 p>The study assessed the impact of an operating Tailings Storage Facility (TSF) of Adamus Resources Limited (Nzema Gold Mine) in the Ellembele District of the Western of Ghana on catchment surface Assessing the Impact of an Operating Tailings Storage Facility 2024年11月14日 Establishing strong seepage stability for tailings dams is crucial for ensuring their safety and mitigating the risk of failure This study developed a threedimensional seepage numerical model Numerical simulation of threedimensional seepage field in a tailing
Uranium Mill Tailings: Geochemistry, Mineralogy,
2006年12月1日 Worldwide, the mining of uranium has generated 938 × 106 m3 of mill tailings The radioactivity of these tailings depends on the grade of ore mined and varies from less than 1 Bq/g to more than 2014年10月20日 Request PDF Deep Sea Mining Tailings Placement, Environmental Impact Assessment and Regulation, Papua New Guinea Metals have been mined as ores since prehistory but metal production has Deep Sea Mining Tailings Placement, Environmental Impact Assessment 2005年4月1日 This study reports on the seepage of metals, metalloids and radionuclides from the Mary Kathleen uranium mill tailings repository Since rehabilitation in the 1980s, the capped tailings have Tailings dam seepage at the rehabilitated Mary Kathleen uranium mine Draft Environmental Impact Statement E19 2 Potential Environmental Risks – TSF 21 TSF Risk Assessment A risk identification and mitigation approach has been adopted to ensure that the design, operational and closure criteria for the TSF will have minimal risk of imp acts to the receiving environmentScope and purpose
(PDF) ENVIRONMENTAL EFFECTS OF TAILING DAMPS IN THE
2020年4月29日 Keywords: Environmental Impacts, Tailing Damp, Mining, Copper belt, Zambia INTRODUCTION The mining industry, being one of the ke y economic d rivers in Zambia, has bee n growing over decades2020年7月1日 Moreover, the diameter of the tailings is small, the mechanical properties are poor, and the shear strength is low (Bi et al, 2021;Chen et al, 2019;Wei and Coop, 2019)Analysis on Influence of Tailing Pond Construction on Stability of 2018年10月7日 Effective methods for extending the storage capacity of tailings for a mining company include expanding and increasing the height of the tailings dam However, this change could lead to an uplift in the phreatic line and a decrease in the slope stability In this paper, a new drainage system combining a horizontal drainage pipe with an upward bending slotted pipe The Seepage and Stability Performance Assessment of a New2021年9月1日 The impact of mine tailings dam failure on aquatic environments was also investigated using a proxy environmental indicator—the gray water footprint The resulting information from the historical overview of dam failures, was used to map the risk associated with existing tailings dams as well as the magnitude of tailings dam failuresGlobalscale impact analysis of mine tailings dam failures:
Numerical Simulation of Seepage and Stability of Tailing Dams: A
2022年9月29日 In this study, the seepage deformation failure of the main dam and the auxiliary dam, in both cases, does not occur Isodensity map of granite joints and fissures in the dam site area2023年5月15日 This study is aimed at investigating acid rock drainage reactions and the impacts of seepage composition on the release and mobility of metals from mine tailing damsAssessment of toxic element dispersal in water, sediments, and The environmental, social, and cultural impacts of Canada’s oil sands are immense The risks associated with the large volume of oil sands fluid tailings have been growing for decades In this report, they are referred to as tailings 50 Years of Sprawling Tailings Environmental Defence2005年12月16日 This report provides information and guidance on Environmental Impact Assessment (EIA) and Strategic Environmental Assessment (SEA) good practice It is intended as a resource for those who are involved in EIA/SEA practice, training and professional development Particular emphasis is given to concepts, procedures and tools that are used currently or are Environmental Impact Assessment and Strategic Environmental Assessment
Mine Tailings, Heavy Metals and Environmental Impacts
2022年10月17日 Many toxic and harmful substances from mine tailings produced in the process of metal mining and smelting migrate and diffuse to the surrounding environment through various channels during the long open 2021年5月15日 Seepage analysis and assessment of the effect of seepage control at reservoir sites are essential parts of dam design and operations, and of considerable significance for the safe and economic design of the masses and hydraulic structures associated with reservoir sites In this study, a systematic process is provided for the optimal design and assessment of Optimization design and assessment of the effect of seepage 2012年1月1日 By the time of the disaster, over 1 million m 3 of tailing material of the rareearth production enrichment containing salts of heavy metals and radionuclides (thorium) had been deposited in the dump(PDF) Assessment of Failure Modes of the AkTyuz Tailing Ponds 2019年12月2日 With increasing metal prices and declining ore grades, new mines are getting larger and mine waste disposal and management have become more difficult, particularly from an environmental perspective While technologies keep on improving, the available space for terrestrial mine waste disposal is limited Thus, several coastal countries still consider deep Comparison of Environmental Impacts of Deepsea Tailings
Environmental Impact Assessment ScienceDirect Topics
Methods for land use impact assessment: A review Tatiana Perminova, Leonid Rikhvanov, in Environmental Impact Assessment Review, 2016 313 Environmental impact assessment EIA is a term proposed by the International Association for Impact Assessment (IAIA) aimed at identifying the intensity and risk level of any kind of planned project activity and its impact on 2018年8月28日 There is a based assumption that, one of the important factors of environmental pollution, is a pollution caused from earthquake impact on tailing dam stability, ie the main objective of this (PDF) Earthquake Impact on Tailing Dam Stability ie Environmental 2022年12月23日 As the most severe damage form of tailings ponds, dam failure causes a serious threat and damage to the surrounding lives and environment Therefore, based on the systematic collection and consultation of relevant data at home and abroad, the literature source analysis on tailings dam failure disasters is conducted using the CiteSpace scientometric tool Scientometric analysis on the review research evolution of2020年10月5日 The study of the mobility and availability of metals that compound the gold tailing could be done through SES using extractors that simulate leaching processes in nature, whose purpose is to quantify the available percentage of metals from the residue (Yang et al, 2009; KerolliMustafa et al, 2015; FernándezOndoño et al, 2017; Roebbert et al, 2018)Gold mining tailing: Environmental availability of metals and