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  • Tailings ponds for mining and oilsands waste: FAQs | CBC
    Tailings ponds for mining and oilsands waste: FAQs | CBC

    Aug 05, 2014 The breach of a tailings pond at the Mount Polley copper and gold mine in B.C. has released 10 billion litres of mining wastewater into local waterways in early August

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  • (PDF) VALORIZATION OF MINING WASTE IN THE
    (PDF) VALORIZATION OF MINING WASTE IN THE

    Following mining and processing activity, results a significant amount of mining wastes, in the form of sterile mineral. These wastes are stored largely in mining tailing ponds or heaps

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  • Baldivis Tailings Pond Rehabilitation Project and Effluent
    Baldivis Tailings Pond Rehabilitation Project and Effluent

    discharge of effluent to the existing tailings pond, and the dewatering of the existing tailings pond respectively. Western Mining Corporation Limited (1994) has now written to the Minister for the ... Since 1985, solid residue has not been discharged to the tailings pond at Baldivis but has been returned to the mine site for disposal

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  • Tailings.info Tailings Storage Guidelines and Standards
    Tailings.info Tailings Storage Guidelines and Standards

    In July 2015, the Mining Residue Regulations (MRR) was established by the Department of Environmental Affairs (DEA) to control mine waste dumps, stockpiles and tailings storage. Chile In Chile the Servicio de Minas del Estado is responsible for regulating tailings impoundment projects as well as the safety of the workforce employed to manage

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  • The ins and outs of tailings dams - Mining Mirror Online
    The ins and outs of tailings dams - Mining Mirror Online

    Jan 17, 2019 Once the processing is complete, the waste material, referred to as tailings, are pumped to mining residue storage facilities, or what is generally better known as tailings dams. A tailings dam is the physical structure that holds, or impounds, the tailings pond, which serves the dual role of containing the fine material and recycling the water

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  • Gold Tailings: Hazards and Opportunities | INN
    Gold Tailings: Hazards and Opportunities | INN

    Oct 05, 2015 Tailings from gold mining operations can pose a threat to the environment and health of nearby communities. Not only can this waste be harmful if it leaches into groundwater, but it can also mean

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  • Phosphate Mine Tailings - Case Study | Environmental XPRT
    Phosphate Mine Tailings - Case Study | Environmental XPRT

    Sep 11, 2013 THE CHALLENGE. A typical phosphate mining operation can produce between 180,000 and 225,000 gallons per minute of fine phosphatic clay tailings. This material has a solids concentration of between 2% and 7% on a dry-solids basis. Currently, ponds and lagoons are used for settling and clarification of these materials

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  • (PDF) Reclamation of Mine Tailings - ResearchGate
    (PDF) Reclamation of Mine Tailings - ResearchGate

    Abandoned mine tailings from a wide variety of industries are found around the world. The chemical composition of tailings depends on the minerals mined and the extraction technique

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  • Mining and Refining – Bauxite Residue Management
    Mining and Refining – Bauxite Residue Management

    Bauxite residue is a by-product of the Bayer Process. It is primarily composed of the insoluble fraction of the bauxite ore that remains after extraction of the aluminium-containing components. Iron oxides (10 – 30%), titanium dioxide (2 – 15%), silicon oxide (5 – 20%) and undissolved alumina (0 – 20%) make up the residue, together with

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  • Take a Tour of America's Most Toxic Town | WIRED
    Take a Tour of America's Most Toxic Town | WIRED

    Aug 30, 2010 What was left after the valuable minerals had been extracted—useless residue on a vast scale—piled up outside the mines, a 7,000-acre ridgeline of fine-grained chat dappled with mill ponds and

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  • Kaolin Tailings Ponds - 911 Metallurgist
    Kaolin Tailings Ponds - 911 Metallurgist

    Jul 04, 2018 Kaolin tailings ponds play an important role in reclamation of land and water. Discharges impounded from kaolin plants include oversize fractions consisting of coarse kaolin, mica, quartz as well as magnetically extracted contaminents, acid filtrates, and plant washdown streams. Tailing ponds perform an essential function in sedimentation of particulates

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  • Water evaporation for mines, tailings Dam Evaporation
    Water evaporation for mines, tailings Dam Evaporation

    Tailings dams requires large areas to naturally evaporate the water and concentrate all solids , minerals and salts in the tailings dams. Additional challenge that the Mines has to deal with is the rainy season, In those areas where the rainfall is very high, it can lead to complex residue storage design

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  • Tailings Ponds Pose a Threat to Chilean Communities
    Tailings Ponds Pose a Threat to Chilean Communities

    Apr 21, 2015 SANTIAGO, Apr 21 2015 (IPS) - Chile lives under the constant threat of spillage from tailings ponds, which became even more marked in late March after heavy rains fell in the desert region of Atacama leaving over two dozen people dead and missing and thousands without a home. Copiap , capital of the region of the same name, 800 km north of Santiago, is in an

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  • what is the difference between spoils and tailings
    what is the difference between spoils and tailings

    Tailings ponds are used to store the waste made from separating minerals from rocks, or the slurry produced from tar sands mining. Tailings are sometimes mixed with other materials such as bentonite to form a thicker slurry that slows the release of impacted water to the environment

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  • (PDF) Reprocessing of the old flotation tailings deposited
    (PDF) Reprocessing of the old flotation tailings deposited

    This is a great advantage tation of the solid leach residue leads to a sufficiently of the tailings’ utilization over a new mine opening to good purification of tailings from copper and iron min- explore natural minerals – sand or kaolin, for example. erals and from the

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  • Bird Gard | Tailing Ponds and Environmental Remediation
    Bird Gard | Tailing Ponds and Environmental Remediation

    Mining & Environmental Remediation. Keep birds out of tailing ponds and environmental remediation operations. Protecting the environment and keeping birds safe is essential. Birds mistake tailing ponds and wastewater sites for freshwater lakes, creating environmental and public relations challenges

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  • Tailings | Cram
    Tailings | Cram

    Tailing Ponds can be described as large “dump holes” in which the industry exposes of all the waste materials obtained from the refinement of Bitumen - a raw material which can be processed into oil. Tailing Ponds include many different types of waste materials such as water, fine silts, residual bitumen, salts and soluble organic compounds

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  • Paste Backfill - Concrete Equipment Applications | Maxon
    Paste Backfill - Concrete Equipment Applications | Maxon

    Most mining operations generate tailings when separating the valuable minerals from the excavated ore body. Historically, those tailings were discharged into ponds, impoundments, mine dumps, clum dumps, slime tailings, leach residue, tailings dams, or slickens

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  • Tailings: how to deal with them? That is the question
    Tailings: how to deal with them? That is the question

    Jul 22, 2020 Throughout the history of mining, and even today, tailings have been commonly disposed of in dams or ponds. Due to large volumes that need to be stored, tailing dams are huge anthropic structures (the highest tailing dam today is as high as 230 m [3]) and require intense monitoring and control to maintain their physical-chemical-geomechanical

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  • $BBI A BioTech Stock with Upcoming Catalysts : pennystocks
    $BBI A BioTech Stock with Upcoming Catalysts : pennystocks

    After the water is used, it is stored in tailings ponds since the material contains various toxins, bitumen residue and elevated levels of salt. The tailings ponds in northern Alberta, adjacent to oilsands mines, store about 1.4 trillion litres of waste water

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  • Tailings Ponds Dust Control | Global Environmental Solutions
    Tailings Ponds Dust Control | Global Environmental Solutions

    Typically, tailings ponds are large areas used as a dumping ground for mining. tailings (waste material after the good stuff has been extracted). This is where the waterborne refuse material is pumped into a large man-made pond to allow the sedimentation (meaning separation) of solids from the water. The pond is generally impounded with a dam

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  • China: a state of "tailings disaster"
    China: a state of "tailings disaster"

    On September 8, 2008, an unlicensed iron ore tailings pond in north China's Shanxi Province burst, unleashing a wave of mud and mining wastes that inundated a downstream village with more than 1,000 residents. The disaster resulted in at least 277 deaths and economic losses of more than 96 million yuan

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  • INTERMAS CATALOG - Solutions for mining by Intermas
    INTERMAS CATALOG - Solutions for mining by Intermas

    May 30, 2019 AUSTRALIA SANTOS FLUOR MINE (POND FOR LNG) TECHDRAIN 450.000 m . INTERMAS NETS S.A. Ronda Collsabadell, 11 (P. I. Collsabadell) 08450 Llinars del VallĂ s (Barcelona) - Spain Tel. +34 938 425

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  • Tailings (Mines and Residue) - GHD
    Tailings (Mines and Residue) - GHD

    Catastrophic failures of multiple tailings storage facilities (TSF) in recent years has led to greater awareness of the management of mine waste. Being a potentially high-risk asset, TSFs, tailing ponds, dams and residue disposal areas are now considered one of the most important structures on any mine site, with consequences of dam failure ranging from the catastrophic

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  • Tailings management - Alfa Laval
    Tailings management - Alfa Laval

    Opportunities in mining rejects and tailings management Underground Mining CRUD (Reduction, Precipita tion, Cementatio n, Crystallization) Waste / Residue Concentrate Crushing Grind Fines Rejects / Slimes Coarse Reject Tailings Pond / Dam PURIFICATION AND METAL RECOVERY Concentrate Thickening Electrowinning Cathode Tailings2 Pond / Dam

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  • Technical Report: Design and Evaluation of
    Technical Report: Design and Evaluation of

    low-grade ores that contain less than a few percent of metal values; the residue becomes tailings. Thus, tailings disposal is a significant part of the overall mining and milling operation at most hardrock mining projects. There are several methods used for tailings disposal. These include disposal of dry or thickened

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  • Bauxite Mine Tailings and Alumina Refinery
    Bauxite Mine Tailings and Alumina Refinery

    : refinery process byproducts, such as bauxite residue and sand, remaining after extraction of alumina from bauxite in refineries. we have dry residue filtered cake, thickened 'solar' (natural evaporation storage and wet storage areas. Construction and Design . Typically, both mine tailings and alumina refinery residue storage facilities are constructed of earthen

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  • Tailings - Wikipedia
    Tailings - Wikipedia

    Tailings ponds are used to store the waste made from separating minerals from rocks, or the slurry produced from tar sands mining. Tailings are sometimes mixed with other materials such as bentonite to form a thicker slurry that slows the release of impacted water to the environment

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  • Banned for decades, releasing oilsands tailings water
    Banned for decades, releasing oilsands tailings water

    Dec 06, 2021 Tailings drain into a pond at the Syncrude oilsands mine facility near Fort McMurray, Alta. on July 9, 2008. That year, some 1,600 ducks died in one of the company's toxic tailings ponds. (Jeff

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  • Tailing Pond - an overview | ScienceDirect Topics
    Tailing Pond - an overview | ScienceDirect Topics

    Where such landscape features are not available, above-ground tailings ponds surrounded by dams (“turkey nests”) have to be built. An infrequently used option is backfilling the tailings into underground mines. Paste tailings conditioned with binders would be most suitable for this (Moran, Christoffersen, Gillow, & Hay, 2013). Although the resulting backfill mass would have

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  • Tailing Disposal - an overview | ScienceDirect Topics
    Tailing Disposal - an overview | ScienceDirect Topics

    2.4 Beaching behavior of mine tailings. The predominant method of tailings disposal is by pumping and sub-aerial deposition of an aqueous slurry (typically at 30–45% initial solids concentration by mass and an initial gravimetric moisture content, w, of 233–122%) to a surface TSF. The tailings may be discharged from a single pipe outlet or from a number of reduced

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