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What tailings pond infiltration line What tailings pond infiltration line What tailings pond infiltration line
Monitoring and early warning of a metal mine tailings
2022年10月13日 The early warning indicators of tailings ponds include dam body displacement, internal displacement, infiltration line, reservoir water level, rainfall, and infiltration line The prediction index of the early warning model In this study, an innovative WebGISbased unmanned aerial vehicle oblique photography (UAVOP) method was developed to analyze the storage capacity change and dam failure risk of tailings pondsTrend analysis of the infiltration line of the tailings pond2024年1月22日 The infiltration line is the intersection line between the surface of the infiltration water flow and the crosssection of the dam body; its position is an important factor in evaluating the safety and stability of the tailings dam The Impact of FineLayering of Tailings Dam on the 2024年11月14日 The spatial distribution pattern of the infiltration surface and the hydraulic stability of the tailings pond were evaluated, which provides insights into the threedimensional Numerical simulation of threedimensional seepage field in a
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Spatial distribution characteristics, risk assessment and
2024年2月20日 In terms of the character of tailings pond, it is necessary to optimize the beneficiation methods of ores, reducing the concentration and discharge of pollutants in 2021年2月18日 Under two conditions, the infiltration point of phreatic line elevated as the permeability coefficient ratio of the upper layer to the lower layer of tailings dam increased, Seepage field characteristic and stability analysis of tailings dam 2024年1月16日 Main functions of tailings pond: safe and rational storage of tailings, environmental protection, conservation of energy and water A tailings pond usually consists of Tailings Pond SpringerLink2023年11月6日 After analysis of the geological and hydrogeological conditions of a lead–zinc mine tailings pond, an interception, blocking, and drainage (IBD) system engineering scheme Assessing the Effectiveness of Tailings Pond Seepage Remediation
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Tailings pond Energy Education
Tailings ponds are one of the methods used to store tailings, the waste material left over from ore extraction processes Tailings are often mixed with water to create a slurry, which is easier to transport One method of storing the slurry is The waste rock has been heaped up from 2010 at the northwest corner of the tailings dam Its accumulation level is up to 385 m, which is 11 m higher than that of the tailings stacking dam (status elevation 275 m)The plane shape of the waste rock heap is approximately rectangular, with an east–west length of 260 m and a north–south length of 110 m, covering an area of Tailings Pond an overview ScienceDirect Topics2016年12月19日 To prevent the discharge of processaffected water of tailings pond to surface water directly, tailings ponds were first introduced to store the residue before discharge or reuse Generally, mine tailings are disposed by different methods such as drystacking of thickened tailings on land, backfilling into abandoned openpit mines or underground mines, and direct Process effluents and mine tailings: sources, effects and management Tailings management facilities must be designed, constructed, operated, and closed subject to the appropriate government regulatory oversight to minimize the risk to communities and the environment References Mine Tailings Storage: What are Tailings Society for Mining, Metallurgy
Mine Tailings Dredging Slurry Pumping and Dredge Consulting
Tailing Ponds Mining operations produce large volumes of waste and debris referred as “tailings” that end up at the bottom of containment ponds and lagoons We offer specialty dredging equipment and services designed to desilt and desludging a range of slime ponds, tailings lagoons, and contained waterways at mine sitesWhere tailings slurry is deposited in the facility, water separates from the heavier tailings particles and collects to form a decant/reclaim pond on the surface The pond water is then recycled back into the milling process for reuse or treated for return to the environmentSustainability Environment What Are Tailings? Newmont2024年1月16日 Flat Ground Tailings Pond This is a tailings pond built on flat ground and surrounded by dams on all four sides (Fig 3)Its characteristics: there is no runoff concentration on mountain slope, water collecting area is small, flood discharge structure is quite simple, the tailings dam is very long, embankment requires large work quantities, and embankment height Tailings Pond SpringerLink2024年9月3日 Tailings ponds are recognized as significant sources of potential manmade debris flow and major environmental disasters Recent frequent tailings dam failures and growing trends in fine tailings outputs underscore the critical need for innovative monitoring and safety management techniques Here, we propose an approach that integrates UAV photogrammetry Enhanced Tailings Dam Beach Line Indicator Observation and
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Analytical solution for the saturation line in drystack tailings
2024年9月13日 The saturation line serves as the foundation for the safety analysis and seepage control design of tailings dams The primary cause of the saturation line formation in drystack tailings dams is the cumulative infiltration of years of rainfall Previous studies have indicated that, under the cumulative infiltration of years of rainfall, a relatively stable seepage field eventually 2024年1月20日 According to the tailings pond site survey information, the tailings dam was generalized, and the heightened dam body will be extended according to the generalized layering line of the current dam Seepage stability analysis of geogrid reinforced tailings damThe reclaim pond(s) (or return pond(s)) store the water that is being decanted from the TMF Reclaim ponds are sometimes referred to as decant ponds which in most parts of the world is another name for the supernatant pond A reclaim pond is situated outside the confining walls of the tailings storage area a short distance away (figure 7)Water Management Considerations for Conventional Storage TailingsKeywords Tailings pond, Threedimensional numerical simulation, Seepage field, Infiltration line Introduction A tailings impoundment is an important ancillary facility of a mine, which is used to Numerical Simulation of Threedimensional Seepage Field in a
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Using Geomembrane Liners to Reduce Seepage
2021年2月17日 Geomembranes are used worldwide as basin liners in tailings ponds to decrease the permeability of the foundation and prevent further transportation of harmful contaminants and contaminated water2024年2月20日 The tailings ponds (TPS) are mine facilities that store solid waste such as tailings (Kossoff et al, 2014; Tang et al, 2020)TPS has the characteristics of high potential energy and pollution, which make it one of the most important public hazards (Wang et al, 2022b; Xie et al, 2009)Since 1915, 257 tailings pond accidents have occurred with 2650 deaths and Spatial distribution characteristics, risk assessment and Tailings characteristics can vary greatly and are dependent on the ore mineralogy together with the physical and chemical processes used to extract the economic product Ritcey (1989) reported that tailings of the same type may possess different mineralogy and therefore will have different physical and chemical characteristicsTailingsfo What Are Tailings? Their nature and production2024年10月9日 With the passage of time, the constant changes in relevant factors, and the daily maintenance of tailings ponds, the difficulty of tailings pond safety management is increasing day by day In order to systematically improve the early warning ability for tailings pond dam break risk, the relationship between and influence of various related dam break risk factors of tailings Risk Prediction Model for Tailings Ponds Based on EEMDDA
What is tailings? The fundamental Parameters you need to know
2023年2月10日 Mine tailings are the waste materials generated during the mining process, which often contain a mixture of crushed rocks, chemicals, and potentially hazardous materials such as heavy metals, asbestos, and radioactive materials These tailings are typically stored in large piles or ponds near the mine site The composition of mine tailings can vary depending 2022年8月9日 Mountainside Tailings Pond This is a tailings pond built at a mountain foot, with the dam built on three sides of the mountain slope (Fig 2)Its characteristics are as follows: Initial dam is relatively long, embankment requires large workload, embankment cannot be excessively high, watercollecting area is small, and the problem of flood discharge can be easily solvedTailings Pond, Types of SpringerLink2017年11月16日 W hat to do with tailings ponds from oil sands mining operations has long been the industry’s leading environmental challenge These vast ponds have grown to 220 square kilometres and now hold about 12 trillion litres of murky, contaminated water that will take many decades to settle outSettling the tailings pond question Canadian Institute of 2022年12月29日 The test results pertaining to stability analysis are given in Table 3Yin found that the phenomenon of fine tailings with mud interlayering was prominent; because of low permeability and easy blockage of geotextiles, the infiltration line was higher than that in coarse tailings, and it was easier to cause infiltration damage []Zhang found that the mudlayering Physical Modeling of Tailings Dams in China: A Review
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Trend analysis of the infiltration line of the tailings pond
Download scientific diagram Trend analysis of the infiltration line of the tailings pond from publication: Application of Space–Sky–Earth Integration Technology with UAVs in Risk 2022年5月26日 Tailings ponds are one of the three major production facilities in metal mines The volume of tailings increases year by year, but the storage capacity of existing tailings ponds is limited Therefore, tailings dams must Regional Distribution and Causes of Global Mine The Oil sands tailings ponds are settling ponds that contain the waste byproduct of oil sands extraction and upgrading They are a mix of water, sand, silt, clay, unrecovered hydrocarbons, and other contaminants The management of Oil sands tailings ponds Energy EducationTailings ponds at Suncor’s Oil sands mining operation cover approximately 30% of total disturbed land and will be significant features in the reclamation landscape A big challenge in oil sands tailings is treating MFT MFT is not trafficable and therefore cannot beOIL SANDS TAILINGS TECHNOLOGY: UNDERSTANDING THE
The Relatively Stable Seepage Field: A New Concept to
the dry‐stack tailings ponds will continue to rise, and the saturation line of its internal seepage field will also increase year by year [13] This may threaten the long‐term stability（5）Mine enterprise lack of internal security needs of tailings pond on line monitoring, system operation and maintenance are inadequate, operational stability and continuity is time to be improved nor data integration and analysis deficiency Tailings pond on line monitoring is mandatory under national administrative means to implementThe present situation and prospects for safety onlinemonitoring phreatic line of dam body is higher, infiltration water level of tailings pond is ultrahigh Water content of dam is huge, in the state of saturated or halfsaturatedThe discussion about the safety management of the mine tailings pond Due to the extremely complicated boundary conditions of saturation flow of tailings dam, the calculation results adopting twodimensional simplified theory may be greatly different from the measured results A simple accurate calculation method to forecast saturation line is needed urgently Based on deep analysis of affecting factors of saturation line in tailings dams, the Stability analysis of tailings dam based on saturation line matrix
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Numerical simulation of threedimensional seepage field in a
Keywords Tailings pond, Threedimensional numerical simulation, Seepage field, Infiltration line As mines continue to be mined, safety issues arise, and in addition to quarry slopes, the safety of Tailings ponds allow large particles, such as sand, to settle out The time needed for tailings to settle depends on its composition Once in the pond, the larger particles will move through the fluid and settle on the pond’s bottom, while finer particles of clay and silt (referred to as thin fine tailings) remain suspended in the waterTailings Alberta Energy Regulator2023年11月30日 Background: It is adverse for the safety of a tailings dam to use finegrained tailings as the materials for a high tailings dam because of the low penetration coefficient, the slow consolidating velocity, and the bad physical mechanical property Furthermore, with the influence of complicated geography conditions, the phreatic line will be increased enormously when Numerical Simulation of Seepage Surface and Analysis of Phreatic Line 2021年11月18日 Because of the risks associated with tailing ponds, it is crucial miners use the most uptodate technologies available to them so they can detect exactly what is in their tailing ponds Piney Point, a phosphate mining waste Tailing Ponds: What are they how can we
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Assessing the Effectiveness of Tailings Pond Seepage
Seepage Problem of Mine Tailings Pond At present, for tailings pond with seepage, the conventional remediation method is to cut o the groundwater ow path by installing an underground vertical impervious body downgradient of the tailings pond (Fu et al 2021; Yang et al 2020; Yuan et al 2022a, b) During the Phase II damRecently completed infiltration basin for stormwater collection An infiltration basin (or recharge basin) is a form of engineered sump [1] or percolation pond [2] that is used to manage stormwater runoff, prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake or bayIt is essentially a shallow artificial pond that is designed to infiltrate Infiltration basin Wikipedia2020年9月5日 location of the points in the mo nitoring of tailings ponds are directly related to whether the monitoring infiltration line monitoring points; (3) Research on the optimization analysis and monitoring elements Sustainability 2022 , and 2 ++)), and ++ sliding surfaceSolution and Stability Analysis of Sliding Surface of Tailings Pond
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MFT Ponds – Mature Fine Tailings – Oil Sands Pumping
MFT Ponds are structures or pits built into the open earth to house mining waste from oil sands, also known as mature fine tailings These tailings must be periodically cleaned out and removed, however, the tailings are often coarse, abrasive, and full of fine solids which can quickly wear down traditional pumps in a matter of days or weeks2022年8月27日 Mining is an important industry, accounting for 69% of global GDP However, global development promotes accelerated demand, resulting in the accumulation of hazardous waste in land, sea, and air environments It reached 7 billion tonnes of mine tailings generated yearly worldwide, and 19 billion solid tailings will be accumulated by 2025 Adding to this, the Recycling and Reuse of Mine Tailings: A Review of Advancements 2023年10月26日 The accumulation elevation of the tailings pond gradually decreases during the recovery process, the accumulation in the dam gradually reduces, and the total selfweight of the tailings pond decreases The infiltration line is directly proportional to the recovery and accumulation elevations in the previous sectionThe Stability of Dams with Different Stoping Elevations in the Tailings Ponds Tailings Ponds are tricky They can be very dangerous Once dried out tailings ponds hold huge quantities of dust that may contain any one of the dozen or so nasty chemicals that mines use to extract the precious metals from ores It could be heavy metals or maybe even PCBs In other words, an environmental disaster waiting to Tailings Ponds Dust Control Global Environmental Solutions
Analysis of Tailings Pond Collapse Accidents and Research on
tailings pond safety, resulting in a series of shocking tailings pond accidents that have brought huge losses to people However, due to the large number of tailings ponds throughout the country and the fact that they are not easily managed by the