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Used for remining slimes dams

Aug 02, 2021

Oct 08, 2021 I believe this could bring about a serious case of remining the coal slimes dams purely to produce this product, which will reduce rehabilitation costs and lengthen the life of slimes dams,” predicts Kale. This patent-pending, water-only density separator is at the heart of the solution developed by Gravitas Minerals, known as the Optima

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  • Tailing Disposal Methods and Tailings Dam Construction Design
    Tailing Disposal Methods and Tailings Dam Construction Design

    Oct 21, 2016 Tailings Dam Construction Design. of slime is likely to slide and cause the dam to break away. The procedure usually adopted in such cases is to separate the tailing into coarse sand and fines in a classifier, and to use the coarse product to build up the wall ; the remainder of the pulp is discharged into the interior of the dam

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

    engineering design of tailings dams in other mining industry sectors, for both stability and environmental performance. For instance, experience gained with leach pad liners is being transferred to linings for tailings ponds, and the use of synthetic lining materials is growing (although use of liners is still far from being the industry norm)

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  • Gravitas Minerals to present two papers on ideal clean
    Gravitas Minerals to present two papers on ideal clean

    Oct 08, 2021 I believe this could bring about a serious case of remining the coal slimes dams purely to produce this product, which will reduce rehabilitation costs and lengthen the life of slimes dams,” predicts Kale. This patent-pending, water-only density separator is at the heart of the solution developed by Gravitas Minerals, known as the Optima

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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 The coarse-grained material is used to build the wall and the finer material is discharged into the interior of the dam. The slimes materials will settle on the inside face and penetrate a short distance, forming an impervious layer that prevents leakage. To raise the wall, the classifier will be mounted on a temporary track on the dam wall

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  • Dam or Stockpile Sampling Techniques - Geology
    Dam or Stockpile Sampling Techniques - Geology

    I have been involved in quite a few projects evaluating slimes dams. The simplest and cheapest way to sample fine material in a slimes dam or sand dump is with an auger fitted with a sleeve to hold the sample. This is a small rig, hand portable, often on a frame of some sort and with a hand held motor on top of the rods

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  • (PDF) A history of South African slimes dams engineers
    (PDF) A history of South African slimes dams engineers

    rican “slimes dams” and waste dumps, as w e used to call them — harkening back to the days b e- fore political correctness forced us into verbal acrobatics

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  • Guidelines for Design of Dams
    Guidelines for Design of Dams

    guidelines for the proper design of a dam. In order for a dam to safely fulfill its intended function, the dam must also be constructed, operated and maintained properly. Supervision of construction or reconstruction of the dam by a licensed professional engineer is required to insure that the dam will be built according to the approved plans

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  • GUIDELINES FOR THE CONSTRUCTION OF EARTH
    GUIDELINES FOR THE CONSTRUCTION OF EARTH

    Category 3. Dams that are at the higher end of the hazard category scale. These dams include ‘High B’, ‘High A’, Extreme hazard category dams and dams that are over 25 metres in height. These generally require the services of an expert dams team. The majority of farm dams fall into Category 1, but occasionally fall into Category 2

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  • Merriespruit tailings dam disaster - Wikipedia
    Merriespruit tailings dam disaster - Wikipedia

    The Merriespruit tailings dam disaster occurred on the night of 22 February 1994 when a tailings dam failed and flooded the suburb of Merriespruit, Virginia, Free State, South Africa.Seventeen people were killed as a result. Late in the afternoon on the day of the failure, a thunderstorm occurred and about 50 mm of rain fell within 30 minutes

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  • Virginia Energy
    Virginia Energy

    Proposed Remining Incentives: AML No-Cost Agreement – This is a mechanism that can be used to achieve reclamation of abandoned mine lands located outside normal permit boundaries. This agreement would be between the Department and an eligible person for the purpose of reclaiming un-reclaimed abandoned mine lands and which does not involve the

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  • Cyclone Technology Improves Safety and Efficiency of
    Cyclone Technology Improves Safety and Efficiency of

    Cyclone Technology Improves Safety and Efficiency of Slimes Dams. An exclusive range of excavators supplied by High Power Equipment (HPE) Africa, the sole distributor of Hyundai earthmoving equipment in Southern Africa, is helping to ensure that slime dams are built more safely and efficiently. Cyclone Engineering Projects, a market-leader in

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  • Surface recovery - DRDGOLD
    Surface recovery - DRDGOLD

    The material from the slimes dams is broken down using monitor guns that spray jets of high pressure water at the target area. The resulting slurry is then pumped to a treatment plant for processing. 1 Attributed to the assayor of the Dahlonega Mint in 1849; Dahlonega was the site of the first major gold rush in the United States

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  • (PDF) Water reduction investigations on Debswana's
    (PDF) Water reduction investigations on Debswana's

    Premier Mine's current slimes dam is nearing the end of its operational life. This is aggravated by a large volume of poor quality water in the dam which is not being recycled back into the process

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  • Investigation into the slimes dams
    Investigation into the slimes dams

    The following practices or technologies could make mine dumps and slimes dams practical in habitable environments: Rock cladding of tailings dams, this has been used to control wind and water (rainfall) erosion of the Doornkop tailings dam in the Westrand, Randfontein Estates gold mine [8]. Rock cladding can also be

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  • Tailing Disposal Methods and Tailings Dam
    Tailing Disposal Methods and Tailings Dam

    Oct 21, 2016 Tailings Dam Construction Design. of slime is likely to slide and cause the dam to break away. The procedure usually adopted in such cases is to separate the tailing into coarse sand and fines in a classifier, and to use the coarse product to build up the wall ; the remainder of the pulp is discharged into the interior of the dam

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  • Seepage Control for Tailings Dams
    Seepage Control for Tailings Dams

    dams have very wide slimes beaches against their upstream slope at all times and the free water surface in the tailings pond is located 1000 ft or more away from the dam. Most tailings dams fall somewhere between these two extremes such that they generally operate with

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  • Mine water management: the importance of regular dam
    Mine water management: the importance of regular dam

    Jan 26, 2021 Watercare Mining recommends that dams be cleaned every 3 to 6 months, depending on the nature of the dam and its water quality. The cleaning procedure depends on the availability of space, the material out of which the dam is constructed, and ventilation. Underground dam cleaning using ZebraTube dewatering bags

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  • Cyclone Technology Improves Safety and Efficiency
    Cyclone Technology Improves Safety and Efficiency

    Cyclone Technology Improves Safety and Efficiency of Slimes Dams. An exclusive range of excavators supplied by High Power Equipment (HPE) Africa, the sole distributor of

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  • DESIGN AND CONSTRUCTION GUIDELINES FOR DAMS
    DESIGN AND CONSTRUCTION GUIDELINES FOR DAMS

    ii Published and distributed by the Texas Commission on Environmental Quality PO Box 13087 Austin TX 78711-3087 Buddy Garcia, Chairman Larry R. Soward, Commissioner Bryan W. Shaw, Ph.D., Commissioner Mark R. Vickery, P.G., Executive Director We authorize you to use or reproduce any original material contained in

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  • Tailings Dam Monitoring | Mine Design Technologies
    Tailings Dam Monitoring | Mine Design Technologies

    Tailings dam monitoring is simplified by making use of the LS-G6 long-range wireless data acquisition system from Worldsensing. Tailings dam monitoring is an important component of overall surface mine management and control. Keeping tabs on the stability of tailings dam walls and slopes, as well as the level and behavior of water, slimes, and other materials present in

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  • SMALL DAM DESIGN AND CONSTRUCTION
    SMALL DAM DESIGN AND CONSTRUCTION

    A technical reference for small dams was developed earlier by the PFRA Conservation Service and has been used successfully. However, in order to further utilize the PFRA experience accrued to date as well as latest developments in dam engineering technology, and to reflect the progress made in the area of dam safety , the Development Service

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  • Alfa Laval - How to dewater tailings slurries with slimes
    Alfa Laval - How to dewater tailings slurries with slimes

    Slimes are sometimes a fraction of the tailings stream, combined with coarser solids, or a product of a desliming stage. The higher this fraction, the more difficult the tailings are to manage. What are the tailings disposal options for slimes? Traditionally, slimes have been stored in large tailings dams or sent to solar drying cells. Newer

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  • US3763041A - Process of removing water from slimes
    US3763041A - Process of removing water from slimes

    A process for enhancing the rate at which water is removed from the waste slimes of ore processing operations, particularly phosphate rock processing, in which waste tailings from the ore processing are admixed with the slimes to release water from the mixture. The slimes contain a solid content of from 10% to about 25 percent by weight and tailings are added to

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  • The Merriespruit slimes dam failure : overview and lessons
    The Merriespruit slimes dam failure : overview and lessons

    The Merriespruit slimes dam failure occurred in February 1994 when 600 000 mlsupg3l/supg of liquid slime rushed through the Merriespruit village, causing the death of 17 people, widespread devastation and environmental damage. This paper sketches the early history of the dam and gives a brief description of dam-building techniques used on gold slimes dams

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  • PRELIMINARY REPORT - OMAI TAILINGS DAM FAILURE
    PRELIMINARY REPORT - OMAI TAILINGS DAM FAILURE

    As shown on Figure 1, the dam crest was at el. 534m and the water level at el. 529.6m at the time of failure. The current water level is about el. 517m, with the slimes surface about 1- 2m below the water level at approximately el. 515m. Thus, virtually all of the impounded water was lost in the failure. In November, 1994 the slimes surface was

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  • What are the different types of tailings storage
    What are the different types of tailings storage

    Jan 06, 2020 The main types of TSF’s explained: 1. Ponds and Dams. Ponds and dams are most frequently used when refuse materials are collected in a slurry, a mixture of waste material and water. Tailings ponds are used to store slurry, allowing solid materials to collect as sedimentation. Dams are often constructed to prevent spillage of waste material

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  • New Uranium Mining Projects - South Africa
    New Uranium Mining Projects - South Africa

    During the March quarter, 36 boreholes were drilled in Blyvoor's seven slimes dams, showing U3O8 concentrations in the range of 39 to 93 ppm [0.0033 - 0.0079% U]. Volumes of the slimes dams were surveyed and their total tonnage calculated at 107.7 million tonnes

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  • HYDRAULIC TAILINGS
    HYDRAULIC TAILINGS

    consolidation characteristics in their clay slimes (Bromwell and Raden 1979; Schiffman et al. 1988). A void ratio of 0.8 to 1.3 is typical of many slimes deposits, with (N1 ) values often ranging from 1 to 3. Of particular significance to slope engineering issues is the high specific retention of void water exhibited by slimes

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  • Dumped, damned and desperate
    Dumped, damned and desperate

    Oct 11, 2015 No 6 slimes dam at the abandoned Blyvooruitzicht gold mine. But then the wind began to turn, kicking up fine dust. Full of urani-um and other heavy metals, the grit forced its way into coughing lungs and watering eyes. Not far down the road, in Blyvoor village, the dust advanced towards pupils gathered in a school’s grounds. Nearby, a group

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  • Tailings.info Deposition Methods of Tailings
    Tailings.info Deposition Methods of Tailings

    Tailings are discharged onto a portion of the gently sloping beach creating braided flows towards the supernatant pond. Upon completion of this layer the discharge point is moved to another section of the beach leaving the newly deposited layer to drain, bleed and dry

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  • What are iron Ore slimes? - Quora
    What are iron Ore slimes? - Quora

    Answer: Iron ore slime is which has the particle size of below 150 m is being discarded as waste during the mining and processing stages iron ore and it will be stored at the tailing dam. It is estimated that 18% - 25% of tailing will be generated during the processing of

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  • Mine Tailings
    Mine Tailings

    Dec 15, 2010 Mine tailings are the ore waste of mines, and are typically a mud-like material. Worldwide, the storage and handling of tailings is a major environmental issue. Many tailings are toxic and must be kept perpetualy isolated from the environment. Scale of tailings production is immense, since metal extraction is usually only ounces or pounds, for

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