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Tailings pond trial operation report

Numerical simulation of threedimensional seepage field in a

2024年11月14日 The model aims to simulate the spatial distribution patterns of waste rock dams, infiltration surfaces of tailings and tailing sands within the ponds, and the characteristics 2022年12月31日 In this paper, we explore the process of tailings dam failure and the evolution of discharged tailings under flooding conditions in a valleytype tailings pond in China, using a 1:200 indoor model test and combining the Study on the Evolution of a Flooded Tailings Pond and 2021年11月8日 This study focuses on assessing the stabili ty of the emban kments of a tailings pond (EoTP) while increasing the height of the embankments from 51m to 75m Both D/S and (PDF) Stability investigation of embankments of a tailings pond End users and operators have used simulation systems to manage tailings facilities with higher resiliency to climatic effects, plan water storage and use, plan water treatment capacity, meet Tailings Facility Management: Modelling Tools for Life of Mine

Spatial distribution characteristics, risk assessment and

2024年2月20日 The tailings ponds (TPS) are necessary facilities to maintain the normal operation of mines and are important carriers of mineral resource exploitation This study In this publication, a tailings management facility (TMF) is intended to encompass the whole set of structures required for the handling of tailings including the tailings storage facility, tailings Safety guidelines and good practices for tailings management 2023年5月16日 Excess pore water pressure (EPWP) may develop during the heightraising operations, which can affect the overall stability of TP This article presents a detailed stability Stability Assessment of a Tailings Pond Considering the Effect of 2021年3月5日 Our analysis reveals that 10 per cent of tailings facilities reported notable stability concerns or failure to be confirmed or certified as stable at some point in their history, with distinctTailings facility disclosures reveal stability risks

Stability investigation of embankments of a tailings pond for its

2023年5月24日 Due to this reason, the height (H) of existing tailings pond (TP) is frequently raised to accommodate the excess tailings released This article presents a case study in 1) and are the main focus of this report Impoundments are favored because, among other things, they are "economically attractive and relatively easy to operate" [6] Fig 1 Spigotting outlets in Żelazny Most tailings pond (KGHM Polska Mied ź SA, Poland) Tailings impoundments can be and are designed to perform a number ofCurrent practice in tailings ponds risk assessment Home ICM2021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 waterUsing Geomembrane Liners to Reduce Seepage As the tailings slurry is deposited in the impoundment, the water separates from the heavier sand and silt particles and collects to form a decant/reclaim pond on the surface of the impoundment newmontgoldcorpVersion 5 June 2019 The tailings pond water is then recycled back into the milling process for reuse The tailings are contained Tailings Fact Sheet

OPERATION, MAINTENANCE AND SURVEILLANCE MANUAL CANTUNG MINE TAILINGS

ORIGINAL REPORT PREPARED BY EBA 2009 REVISIONS PREPARED BY NATCL DECEMBER 2012 OPERATION, MAINTENANCE AND SURVEILLANCE MANUAL Direction of mobile equipment operations and maintenance, Tailings Pond 4 pump and pipeline staging, maintenance, sewage treatment plant operation, surface drainage control and technical supportEnvironmental spill incidents, annual and other reports, permitting requirements, water quality and level monitoring and maintaining paper electronic information database Surface Foreman Local 238 Direction of mobile equipment operations and maintenance, Tailings Pond 4 pump and pipeline staging, maintenance, sewage treatment plant operation,OPERATION, MAINTENANCE AND SURVEILLANCE MANUAL CANTUNG MINE TAILINGS Although the tailings pond was filled two years prior, the tailings and dam sections were already saturated at the time of the earthquake After the tailings pond closed, there was a lack of management which led to the accumulation of large amounts of water in the deep reservoir area and the tailings were kept in a saturated state for a long timeA Comprehensive Review on Reasons for Tailings Dam Failures Kearl Annual Tailings Management Report 2019 Page 6 of 67 Regulatory Requirements Section Within Annual Tailings Management Report 30 The Operator shall, in addition to any reporting requirements under Directive 085, provide in the annual fluid tailings management report: (a) for each treated tailings deposit, monitoring data includingKearl Oil Sands Mine: Fluid Tailings Management Report for 2019

Tailings Ponds 101 Oil Sands Magazine

2016年2月25日 Tailings ponds are massive earth structures used to store coarse and fine solids contained in the oil sands deposit and recover water back to the main processing plant Operators regularly report the tailings volumes held in the storage ponds By law, all ponds must be reclaimed once the pond is no longer in use In 2008, They are stored as large reservoirs of fluids using dams and builtup walls, which industry calls “ponds” Oil sands tailings are acutely toxic Despite what the term tailings “ponds” might suggest, there are over 14 trillion litres of tailings perched in “ponds” on the shores of the Athabasca River near Fort McMurray, Alberta50 Years of Sprawling Tailings Environmental DefenceThe tailings are stored in impoundments (tailings ponds) created by embankments constructed from waste rock The embankments and impoundments are referred to as tailings storage facilities (TSF) Storage 2 commenced construction in 1987Tailings Storage OceanaGold Waihi OperationOil sands tailings ponds Oil sands tailings ponds are engineered dam and dyke systems used to capture oil sand tailingsOil sand tailings contain a mixture of salts, suspended solids and other dissolvable chemical compounds such as Oil sands tailings ponds (Canada) Wikipedia

A Review of the “Report on Mount Polley Tailings Storage Facility

(1) Tailings Pond Water Level At the time of the dam failure the water level in the tailings pond was just below the maximum level allowed For some time the mine has been forced to manage water in the tailings pond at emergency levels due to higher than predicted precipitation The high water level was the final link in the chain of failure eventsScientific reports have found tailings ponds leach chemicals that sicken local communities, poison wildlife, and pose the evergrowing threat of contaminating the region’s water resourcesAlberta’s tailings ponds NRDC831 Lower Tailings Pond Level Wolverine Project – Starter Tailings Storage Facility – 2009 Civil Works Construction Summary Report (KCBL, 2010) • Quartz Mining License QML0006 The OMS Manual covers operations of the tailings WOLVERINE PROJECT TAILINGS FACILITY OPERATION, tailings management plans This report summarizes the information for the 2020 reporting year and assesses the operators’ progress in managing fluid tailings Operators will continue to report improvements in their tailings treatment technologies and the piloting and development of State of Fluid Tailings Management for Mineable Oil Sands, 2020

GHG EMISSIONS FROM OIL SANDS TAILINGS PONDS

i REPORT SUMMARY Surface mining of Alberta bitumen is probably the biggest mining operation in the world It has a significant environmental footprint with about 840 km2 total active footprint in 2012 and 895 km2 in 2013 (Fig 1) (AESRD 2014) Of this area, tailings ponds covered 2393 km2 in 2013 including dykes, berms and beachesEnvironmental spill incidents, annual and other reports, permitting requirements, water quality and level monitoring and maintaining paper electronic information database Surface Foreman Local 238 Direction of mobile equipment operations and maintenance, Tailings Pond 4 pump and pipeline staging, maintenance, sewage treatment plant operation,OPERATION, MAINTENANCE AND SURVEILLANCE MANUAL CANTUNG MINE TAILINGS 2010年4月1日 Tailings are a mixture of water, clay, sand and residual bitumen that result from oilsands mining They are stored in large ponds where the clay/water mixture is left to settle Tailings ponds cover about 130 square kilometres of the oilsands region Facilitated by CONRAD, Directive 74 has led to more collaboration within the industry, said FairTailings Ponds Up Close Canadian Mining JournalMount Polley Mine Tailings Breach: Environmental Mitigation and Remediation Progress Report November, 2014 1 Background On August 4, 2014, a tailings pond breach occurred at Mount Polley Mine in southcentral BC, near the town of Likely The Ministry of Environment (Ministry) issued a Pollution Abatement Order (Order) onMount Polley Mine Tailings Breach: Environmental Mitigation

TAILINGS SYSTEM EMERGENCY PREPAREDNESS PLAN 10

SharePoint Intranet Page as EP008 Tailings System Emergency Preparedness Plan THIS DOCUMENT IS UNCONTROLLED IN HARDCOPY FORMAT 215 Environment that could be Affected By a Dam Incident 2151 The area affected by a breach of either the North Tailings pond or the South Tailings pond would consist of the Fording River and its adjacentThe tailings cover trial plots were built on the Northwest Pond at the Giant Mine, located between Vee Lake Road and the Ingraham Trail (Figure 1) The plots were built according to the Giant Mine Tailings Cover Trials design memo from SRK to Indian and Northern Affairs Canada (INAC), detailed in the Asbuilt report (SRK, 2009)Giant Mine Tailings Cover Trials 2010 D t S2010 Data SummaryTable 13: Tailings and Fine Coal Refuse Generated from Processing Ore and Raw Coal (million tonnes) Total tailings and fine coal refuse generated from processing ore and raw coal, stored in the 16 operating tailings facilities at our mining operations, are reported in Table 13 This total does not include our minority joint venture operations atTailings Management Teck Resources2020年9月28日 The awareness to tailings dam safety monitoring and reviews has increased by the catastrophes resulting from failures of such dams worsened by increasing tailings waste and construction of larger Dam Safety: Monitoring of Tailings Dams and

MANAGEMENT OF TAILINGS: PAST, PRESENT AND FUTURE

for high tailings facilities in the deep valleys of the Andes in South America 21 NET PRESENT VALUE ACCOUNTING APPLIED TO TAILINGS MANAGEMENT There is a commonly held perception that transporting tailings as a slurry to a facility is the most economic approach However, to a large extent this tailings dewatering, density and shear strength, and2022年5月26日 Secondly, the Decisionmaking Trial and Evaluation Laboratory (DEMATEL) was used to study the influence Qualified geological conditions are particularly important for the proper operation of tailings pond The investigation report of the Mount Polley tailings dam showed that the cause of the dam failure was the glacial Frontiers Risk Evolution Study of Tailings Dam Failures Disaster 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 in tailings ponds (Figure 1) Depending on the design of the pond, this may or may not also include the use of a tailings dam (which is often Tailings pond Energy EducationDischarging of tailings below water can create significantly steeper slopes than that of subaerial deposition (Robertson and Wels 1999) Dillon et al (2004) report that for Lisheen the underwater tailings slope could be in excess of 10%Deposition Methods of Tailings

REPORT 2021 Annual Facility Performance Report for Turnbull Tailings

REPORT 2021 Annual Facility Performance Report for Turnbull Tailings Storage Facility Teck Coal Limited, Fording River Operations Submitted to: Teck Coal Limited Fording River Operations PO Box 100 Elkford BC V0B 1H0 Attention: James Campbell, PEng, Qualified Person / Responsible Tailings Facility Engineer Submitted by: Golder Associates Ltd(1) Tailings Pond Water Level At the time of the dam failure the water level in the tailings pond was just below the maximum level allowed For some time the mine has been forced to manage water in the tailings pond at emergency levels due to higher than predicted precipitation The high water level was the final link in the chain of failure eventsA Review of the “Report on Mount Polley Tailings Storage Facility The supernatant pond was quite large for the end of the dry season (see Figure 22) and covers about 53% of the facility 223 Conclusions and Recommendations Based on the audit carried out for the tailings pipeline it appears that this part of the operation is working well The supernatant pond is somewhat larger than envisaged forTAILINGS MANAGEMENT 2019 ANNUAL TSF AUDIT REPORT2024年3月29日 One of the most common methods for managing mine tailings is the construction of tailings ponds or tailings storage facilities (TSFs) These largescale repositories serve as containment areas for the collected material, Mine Tailings: The Cornerstone of Safe Mining

Annual Facility Performance Reports Teck Resources Limited

5 天之前 Annual Facility Performance Reports (AFPRs) are one of the measures in place for the safe management of our tailings facilities AFPRs are conducted annually by a thirdparty Engineer of Record for mine tailings facilities in order to to review the safe operation, maintenance and surveillance of the facility and to identify and make any recommendationsIn their project applications, operators had proposed to convert their tailings ponds into deposits suitable for reclamation However, operators failed to meet their performance commitments The volume of fluid tailings, and the area required to hold fluid tailings, continued to grow, and the reclamation of tailings ponds was further delayed2012 Tailings Management Assessment Report Albertacathe facility’s pond throughout the year, especially if large shallow ponds are formed This generates a variable fresh water demand that may not be easy to satisfy if availability of a constant source is limited Dewatering tailings prior to disposal may prove a good alternative since, if correctly designed, a reasonablyDewatering options for management of fine gold tailings in 2021年3月8日 Tailings ponds in the Alberta oil sands region are significant sources of fugitive emissions of methane to the atmosphere, but detailed knowledge on spatial and temporal variabilities is lacking Methane emissions from an oil sands tailings pond: a quantitative

Tailings Pond an overview ScienceDirect Topics

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 2014年8月6日 Damage from a tailings pond breach is seen near Likely, BC on Tuesday A tailings pond that breached Monday, releasing a slurry of contaminated water and mine waste into several central British What you need to know about tailings ponds MacleanscaTAILSAFE Closure and restoration plans for disused tailings facilities p 1 1 Introduction Mining operations are finite economic activities, which are usually relatively short term The tailings that remain after mining of an ore deposit is complete are often the mostReport Implementation and Improvement of Closure and 2011年8月25日 BGC's report provided an overviewof oil sands processing and tailings characteristics and: summarizedwhat is known and not known about each option; described the state of commercial readiness of (PDF) Review of oil sands tailings technology options