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To prevent tailings dam failures capture temperature evaporation and rainfall data regularly Since climate has a significant effect on the condition and operation of a tailings dam it is imperative to gather climate data Tailings dam specialists can then evaluate the data to make decisions and monitor the dam
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Managing paste thickener tailings provides benefits such as improved water recovery and dam safety as well as more effective reclamation/re vegetation By taking into account the feed characteristics and standard bench scale tests our experience with paste thickener installations can help you make the right thickener selection
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The increased scrutiny we re observing follows the 2024 Mount Polley tailings dam collapse in Canada the 2024 Mariana failure and most recently the Brumadinho failure in 2024 the latter two taking place in Brazil with over 250 lives lost and tens of billions of dollars in damages While these failures have taken the spotlight tailings
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The Global Industry Standard on Tailings Management GISTM and accompanying guides transpired as a result of the catastrophic tailings dam failure near Brumadinho in Brazil in January 2024 For change to be effective active recognition and engagement is needed by all stakeholders
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Tailings management is one of our eight strategic themes along with health and safety climate change our people water responsible production communities and Indigenous Peoples and biodiversity and reclamation Our sustainability strategy has long term strategic priorities and shorter term sustainability goals
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TSFs are dynamic structures that are designed and managed to contain tailings produced by mining operations They can comprise of multiple dams or cells that have contiguous structurally similar interconnected walls or can be in pit facilities or dry stack facilities
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Tailings had a size distribution of 80% passing 150 μm typical of many industrial tailings The chamber was filled and filtered at a pressure of 5 bar 500 kPa This is less than full scale unit 15 bar/1500 kPa but filtration times can be reliably scaled up from the inverse relationship been filtration time and pressure
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In May 2024 Geotheta was appointed by Glencore Merafe Venture to design a new chromium Tailings Storage Facility TSF and Waste Rock Dump extension at Kroondal Mine near Rustenburg South Africa The TSF detailed design scope included near surface geotech investigation complete detailed design with construction drawings Bill of Quantity and
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To achieve the objective of zero harm set by the Global Industry Standard on Tailings Management the mining industry must utilize the latest technological solutions to build monitoring systems that are effective at identifying potential risks before the event of failure The most robust systems take a holistic full site approach to monitoring
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The USSD Tailings Dams Committee organized a workshop in August 2024 that included 2 days of presentations and discussions on the topic of dam break analysis applied to tailings dams and possible… 4 View 2 excerpts references methods and background Tailings mobilization estimates for dam breach studies D Fontaine V Martín Environmental Science
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CX PSS Horizontal Belt Filter HBF Design The filter uses a screen cloth and rubber vacuum carrier belt in combination As the fishtail feeder deposits slurry onto the surface of the filter cloth the belt moves in a horizontal linear direction under the dam roller to form a cake of varying thickness As the belt travels negative vacuum
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Dry Stack Tailings are becoming an increasingly viable and attractive alternative to tailing impoundments in the mining industry A Filter Press delivers some of the best results from competing dewatering technologies By dewatering tailings to a relatively dry cake this stable and stackable form of storage is ideal for mining companies
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Fundão Tailings Dam Samarco Brazil On November 6 2024 an upstream iron ore tailings dam collapsed at the Samarco mine in Brazil The dam collapse started a mudslide that flattened a village killing 17 people injuring 50 and requiring that 600 people be evacuated The upstream tailings dam failure in Samarco Brazil in 2024
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The implementation of high pressure technology for tailings management processes was a huge turning point in the market Tailings dewatering applications require very large throughputs and with
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Furthermore our filter solution eliminates tailings dams Desalinated water will still end up in a pool and risk causing damage We need to eliminate the need for any pool at all he adds The Colossal filter is the largest capacity filter in the industry It is capable of discharging 20 000 tonnes of filter cake per day and can
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dam failures and outflows that threaten lives the environment and property downstream • Soft tailings are difficult to drive equipment on expensive to stabilise cap and reclaim and may be prone to many metres of post reclamation settlement over decades or centuries At most tailings landforms just a small percentage of the
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Mar 25 2024 Safer tailings storage facilities TSFs or tailings dams can be achieved when mine owners contractors and engineering consultants work closely together according to SRK Consulting senior geotechnical engineer Linda Spies Speaking after a recent Southern African Institute of Mining and Metallurgy SAIMM conference
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For the mining sector Andy has led dam designs and dam safety reviews for a number of mining clients In addition he provides services related to tailings planning water management and mine closure Andy has also led dam designs and dam safety reviews for the hydropower sector including a number of dam rehabilitation designs
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Tailings dam design should be based on a complete understanding of the foundation geology and soils through comprehensive site investigations and designed for the full life cycle of the mine from the initial stages of construction to mining operations and ultimately decommissioning and closure McLeod and Bjelkevik 2024
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Statistics For a world inventory of 18401 mine sites the failure rate over the last one hundred years is estimated to be % 1 50 events/decade 20 events/ decade 22 2010s 1 Source
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Estimates suggest that tailings dam failures over the last 60 years have resulted in the unexpected release of over 200 million cubic metres of waste from storage facilities and over 2 300 reported fatalities Tailings dam breaches can lead to environmental contamination socio economic consequences in surrounding communities business
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Tailings dams are different to those built for reservoirs or hydroelectric projects which are usually made from reinforced concrete or stone There are four different types Upstream dams These dams use a cheaper higher risk method of construction which is therefore more dangerous The mine tailings is used to create a barrier
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Dewatering of tailings for mine backfill with the Boozer The Boozer disc filter represents the new generation of disc filters which defines the latest standard in the alumina industry and in the dewatering of coal slurries This new type of disc filter moves into applications of paste dewatering In a modernisation and upgrading project of a gold and copper mine this disc filter type is the
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Tailings is a common by product of the process of extracting valuable minerals and metals from mined ore They usually take the form of a liquid slurry made of fine mineral particles created as mined ore is crushed ground and processed Effective tailings management is integral to the safe and sustainable production of metals and minerals
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• Since 2024 the failure rate is roughly one every 8 months • 85% of incidents were Active tailings dams / 15% Abandoned dams • 76% of incidents were Upstream construction methods • 56% of incidents were dams greater than 30 m in height M Rico G Benito Salgueiro A Díez Herrero Pereira 2024 Reported tailings dam failures
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Commenced in the Tailings Industry for Fraser Alexander Tailings in South Africa in 2024 as a Dam operator Progressed within 10 years to managing daily operations on 21 Tailings facilities across the countryside covering an area of approximately 82 000 km2 which included Gold Diamond Zinc and Coal Tailings facilities
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Tailings Responsible use of the world s resources is key to a sustainable future for all Land degradation threatens countries security and development About Main Menu About Business About Business Growth History Innovation About Innovation Automation Pioneer Portal
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Tailings most often in the form of a wet slurry are conventionally stored above ground behind earthen dams There is no comprehensive global registry of tailings dams It is estimated there are around 18 000 dams 3 500 of which are active However that number may be much higher For example China alone has more than 12 000 tailings dams
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The filtered tailings are deposited in layers of 30 cm thickness typically which are exposed to reach their range of optimum moisture content of 12 14% and are then compacted to reach 95%
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What is the Investor Mining and Tailings Safety Initiative Just days after the Brumadinho dam collapse a group of investors co led by the Church of England CoE Pensions Board and the United Nations Environment Program UNEP announced the Investor Mining and Tailings Initiative calling on 727 extractive mining companies to disclose information on their tailings facilities to form a global
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