Tailings management | Sibanye-Stillwater

2022-7-29 · Sibanye-Stillwater has begun implementing a range of initiatives to improve and align its management of tailings storage facilities, a process which is expected to take between two to three years. The first priority measure undertaken in 2020 was the appointment of an experienced tailings engineer as Vice President Tailings Engineering, a new ...

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MANAGEMENT OF TAILINGS: PAST, PRESENT AND FUTURE

2020-9-8 · for high tailings facilities in the deep valleys of the Andes in South America. 2.1 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, and

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TREATING CHROME TAILINGS FOR PGMs

2008-8-19 · Its operations are focused on the treatment of Samancor''s chrome tailings dumps on the Western and Eastern limbs of the Bushveld complex. The Samancor dump operations contain about 500,000 ounces of PGMs at an estimated average non JORC compliant grade of 2.6 g/t. Sylvania director Zoran Marinkovic explains that it is not economically viable to convert its …

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Oil Sands Tailings Technology Review

stakeholders and establish an understanding of the status of tailings treatment technology in the Athabasca Oil Sands Region (AOSR). This report presents a review of the state-of-knowledge related to oil sands fine tailings treatment technologies. All information is from publicly available sources available at the time of writing.

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Structural collapse in phlogopite mica-rich mine tailings …

2020-6-1 · Request PDF | On Jun 1, 2020, He Niu and others published Structural collapse in phlogopite mica-rich mine tailings induced by mechanochemical treatment and implications to alkali activation ...

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ICMM

In 2019, ICMM committed to exploring innovative approaches and technologies to significantly reduce tailings from the mine life cycle. We believe that the best solutions are created by partnerships and have been engaging with partners across the mining and metals industry, including technology providers and suppliers, academics, investors and other industry …

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ICMM

Our work focuses on two main areas. The first is on supporting members to achieve the fastest and widest adoption and implementation of the Global Industry Standard on Tailings Management, including engaging with the development of the Global Tailings Management Institute (GTMI).The second is exploring breakthrough technologies – through our Tailings …

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Flocculants and tailings – Process productivity

2020-8-5 · Here flocculants are added at very high dosages (1-2 kg/tonne) to tailings already at underflow concentrations. When done right, further dewatering is then achieved on deposition. Even though the process remains poorly …

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mica tailings treatment equipment for talc in germany

Management of Tailings and Waste-Rock in Mining - nau . 4 Apr 2010 mining, processing and tailings management associated with the mining of gas and diversion systems for natural run-off around or through the dam Figure 1.19: Talc mine production in Europe (1999). Figure 3.71: Schematic drawing of a tailings heap in German potash mining.

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Design of a 2.5km long mica tailings slurry …

2008-6-23 · At 30% mica concentration, a mica slurry volume flowrate of 25.8 m3/h results, with corresponding predictions of pump discharge pressure requirement of 22.8 bar, a pump power to the slurry of 15.7 ...

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Tailings

The type of tailings dam a mining company builds is directly related to the safety of the structure. Engineers have found that tailings dams tend to be safest, i.e. most resistant to failure and collapse, when they are not built on top of or …

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Recycling mine tailings in chemically bonded ceramics – A …

2018-2-10 · Phyllosilicate/Mica group (2:1 layer lattice aluminosilicate) Excellent, calcination at 950 °C 120 min ... Some initial heat treatment for mine tailings cannot be avoided due to prolonged storage near or at the mining sites. ... Designing mine tailings for better environmental, social and economic outcomes: a review of alternative approaches ...

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Tailings – Syncrude

Tailings is the material that remains after bitumen is extracted from the oil sand. It is a mixture of sand, silt, clay, water and residual hydrocarbon. Tailings are stored in in-pit or out-of-pit tailings placement areas. As it is deposited, the coarser components settle rapidly and are used in the construction of sand beaches or other landforms.

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5 methods of gold mine tailings treatment and …

2021-8-21 · 5. Reclamation. Land reclamation is also an effective way to treat gold mine tailings. Certain measures are taken on the gold mine tailings pond to plant agricultural, forestry, animal husbandry, and vital crops to conserve the soil and strengthen the embankment, which has a positive effect on protecting the environment and preventing pollution.

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Extract Tantalum & Niobium from Pegmatites

2018-9-19 · The procedure was repeated through a roll setting of 1.6 mm and a 1.67-mm screen. The combined coarse mica from the three screens comprised 41% of the feed weight and contained 4.9% of the tantalum and 7.9% of the …

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Tailings Retreatment | Pan African

By reprocessing waste rock and tailings to extract gold left behind during the initial mining process, we effectively reduce our environmental footprint while rehabilitating our tailings dams. Tailings are processed at Pan African''s two state-of-the-art tailings treatment plants, at Elikhulu and BTRP, which processed 13,093,574 t and 958,106 ...

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What are the tailings treatment processes

2021-8-14 · At present, tailings treatment methods generally have three directions: tailings re-selection, tailings dewatering, and tailings filling the goaf. Below we will explain these three parts separately. 1. Re-selection process of tailings. Although the content of useful components in the tailings is relatively low, the use of advanced technology ...

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Current state of fine mineral tailings treatment: A critical …

2014-4-1 · Opportunities exist in further refinements and extensions of current scientific models to better describe actual fine mineral tailings. Evidently, better theoretical models improve and assist industrial efforts when processing fine tailings, or solid slurries in general with similar nature, positively affecting a wide range of activities such ...

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Best Practices for Tailings Dam Design

2017-9-7 · Background. Recent major tailings dam failures have led to an industry-wide review of the design and management of tailings storage facilities. Before the 1960s, mine tailings were often disposed directly into ponds, lakes, …

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Treatment of tailings in mining operations | Condorchem …

2020-10-1 · Finnish mica-rich tailings from a phosphate mine were studied as precursors for alkali-activated materials (AAM) with a potential application as a substitute for ordinary Portland cement (OPC). The principal physical properties (water absorption, apparent porosity and unconfined compressive strength) were measured for samples containing 30% to ...

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Upcycling of mechanically treated silicate mine tailings as …

2020-11-1 · Similar to HM tailings, other minerals are present, such as clinochlore and cordierite, that are distorted by mechanical treatment, resulting in almost 25–30% of amorphous content at 8–16 min of grinding. For a fixed grinding time, the efficiency of grinding is better in HA tailings.

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Mine Tailings Retreatment Process

2019-11-8 · Tailings dry discharge. It is a new process using dewatering type cyclone, high-frequency dewatering screen and high-efficiency deep cone thickener. It can reduce the water content in tailings to less than 15%, and …

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Tailings dewatering with increased filtration rates and …

Tailings dewatering with increased filtration rates and lowest filter cake moisture for filtered tailings stacking J Hahn BOKELA , Germany ... For the treatment of tailings from ore processing and the production of paste backfill, filtration and dewatering has become increasingly important in recent years. Firstly, water is an important ...

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Hydrocyclones Upgrade Tailings Treatment …

2019-11-7 · The tailings filling is to dewater the tailings into tailings sand with a concentration of about 70%, and then re-inject into the goaf mine through special treatment. This is the filling method currently used in many mines. The …

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mica | Structure, Properties, Occurrence, & Facts | Britannica

mica, any of a group of hydrous potassium, aluminum silicate minerals. It is a type of phyllosilicate, exhibiting a two-dimensional sheet or layer structure. Among the principal rock-forming minerals, micas are found in all three major rock varieties—igneous, sedimentary, and metamorphic. Of the 28 known species of the mica group, only 6 are common rock-forming …

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The microbial community from the early-plant colonizer

2021-5-17 · Bars represent the average ± SE of 24 replicates and asterisks indicate significant differences considering the treatment (surrounding soil or fresh tailings) as factor in each parameter (one-way ...

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Mine Tailings

2010-12-15 · 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 …

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5 methods of gold mine tailings treatment and …

2021-8-21 · 5. Reclamation. Land reclamation is also an effective way to treat gold mine tailings. Certain measures are taken on the gold mine tailings pond to plant agricultural, forestry, animal husbandry, and vital crops to conserve the …

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COSIA TAILINGS EPA 2020 Tailings Research Report

2021-8-18 · The industry seeks to better understand tailings treatment processes and consolidation mechanisms so that knowledge can be applied to enhance reclamation and closure planningsuch and implementation. COSIA TAILINGS EPA – 2020 TAILINGS RESEARCH REPORT ii . Predicting trajectories of tailings deposits through modelling can reduce …

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Structural collapse in phlogopite mica-rich mine tailings …

2020-6-1 · The alkali activation of mine tailings is of interest to diminish the impoundment storage of large waste stream from mining industry. However, most of the mine tailings, like phosphate mine tailings generated in Finland, are rather inert and need pre-treatment to induce the reactivity for alkali activation.

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Innovative Solutions for Tailings Management

2020-3-25 · Tailings Management. We provide advice and technical expertise to the mineral processing industry world-wide. Our global team is driven by a common goal to provide the best solution to meet ... This treatment has been found to be effective in improving tail-ings properties from a wide cross-section of industries, includ-ing Alumina, Nickel ...

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Effective acid and metals treatment in tailings dams

14 April 2010. AddThis. Site management, treatment and remediation at tailings dams can prove to be very complex and challenging issues. The environmental and economic losses can be enormous if things go wrong. For ten years ViroMine Technology has been used at tailings dams worldwide for the safe and effective treatment of mining waste products.

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Tailings treatment technology and tailings recovery …

2022-7-28 · Tailings Recovery Technology. Tailings water treatment technology: The tailings pond is a large-volume sedimentation storage pond, which can be set up on valleys, slopes, river beaches or flat ground by using topography, and surrounded by dams. Drainage wells and drainage pipes are set in the pond, or drainage ditches are set along the edges ...

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High-Pressure Filtration Leads To Better Tailings

High-pressure Matec® filter presses available from ChemREADY represent a huge turning point in the water treatment market, offering better tailings management than ever before. These highly engineered filter presses use pressures of 16 to 21 bar to handle even the most difficult and hard to treat slurries. Matec filter presses use ...

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