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Tailings management

Sep 06, 2021Tailings are what remains after extracting valuable minerals and metals from mined ore and usually take the form of a liquid slurry comprising crushed rock, water, trace quantities of metals and additives used in processing, such as petroleum by-products, sulfuric acid and cyanide.

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Concentrate and tailings feasibility and route studies

Our design scope included the pump station, slurry pipeline and terminal station (choke station) for concentrate pumping; and the pump station, slurry pipeline, tailings header pipe, and deposition mechanism and arrangement for the tailings transport system. Support facilities

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Tailings Management in Extractives

Jul 20, 2021Last Update 07/20/21. The current standards for the Metals Mining and Coal Operations industries within the Extractives Minerals Processing Sector are being evaluated for potential revision to ensure the set of disclosures fully captures the risks associated with company management of tailings storage facilities (TSF).

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Global Industry Standard on Tailings Management

the impacts from the tailings facility have changed materially, including as a result of climate change knowledge or long-term impacts, the Operator shall update tailings facility management to reflect the new data using Adaptive Management best practices. PRINCIPLE 3 Requirement 3.1 Requirement 3.2 Requirement 3.3 Requirement 3.4

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A Geometallurgical Approach to Tailings Management: An

dissolved metals and ore processing reagents, is also emitted [2,4]. Tailings are typically discharged to purpose-built storage facilities and commonly are covered with either an engineered, vegetation or water cover [1,5–7]. As implied by their designation as waste, they have low economic value and can

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TAILINGS MANAGEMENT

TAILINGS. 10.5 million tons of legacy spent ore and unlined tailings interact with groundwater. YELLOW PINE PIT. The East Fork of the South Fork dumps into a legacy mine pit. Currently, ~80 feet of sediment has collected at the bottom. FISH PASSAGE. Fish migration is blocked by the Yellow Pine pit . HABITAT. 13,000+ ft . poor habitat quality. 5

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Sibanye Stillwater Tailings Storage Facilities

2.1.1 Provide an overview of your tailings management system, and how you manage risk 2.1.1 At the Stillwater Mine in the USA The tailings management system provides for deposition of slurry tailings into fully lined tailings storage facilities (TSFs). The tailings slurry is conveyed to the TSFs from the mills via HDPE pipework.

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Shaping the future of mine waste management: how

Nov 25, 2019And, like water in a pool, the waste produced by metals and mineral processing facilities needs to be contained. How the mining industry manages its tailings is of critical importance to the safe and sustainable production of the world's metals and minerals—and to

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REPORT METALKOL ROAN TAILINGS RECLAMATION PROJECT

The tailings mined from both sites will then be transferred to the processing plant as a slurry via a pipeline and pumping. Waste products, or residue, will be pumped to the purpose-built residue storage facility (RSF) for permanent disposal. After the completion of operations, and decommissioning, the closure plan will be put into

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Management of mineral processing tailings and

Feb 10, 2019Most of the old tailings and slags are still stored in dams built in valleys and rivers, without any care taken to protect communities or the environment at large. The current trend among some Congolese mineral processing companies is to line the tailings storage facilities with geomembranes to prevent infiltration, as shown in Fig. 2.

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Response to CanWhite letter to the IAAC

The Vivian Sand Metal Mill processes tailings and produces a silica The plant is set up with a closed loop slurry system for the unique air extraction mining system planned by CanWhite. The processing facility is designed specifically for slurry feed entry and a

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Mine Tailings

Dec 15, 2010Tailings containment facilities are regarded as the world's largest man-made objects. Terminology. Mine tailings' size and composition depends on the mining method. For hardrock metal mines, tailings are usually a very fine mud or powder, which is left over after ore is crushed and valuable minerals are extracted from it.

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Mine Plan of Operations

Adopting dry stacking as the tailings management method will reduce the surface impact by approximately 35% and the wetlands impact by approximately 65%, compared to conventional slurry tailings storage. The dry stack facility will be lined and

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From Tailings to Treasure? Miners Make Money Reprocessing

May 07, 2015DRD Gold extracted 33,600 ounces of gold, worth nearly US$40 million, in the last quarter of 2013. Mintails, a mine tailings processor, has developed new technology to process 350,000 tons of slimes from its extensive tailings resources. It

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WaterShed Tailings Dewatering Technology

Typically, WaterShed technology is directly injected into the refuse slurry line in a specified sequence prior to discharge to improve tailings dewatering. This will allow you to reduce your capital expenditure, improve mechanical stability, extend tailings storage facility life, manage water balance, and meet effluent water quality requirements.

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1648331

The leached tailings are then treated using the Inco SO 2/Air process which oxidiz es the cyanide component of the slurry and precipitates heavy metals. After the cyanide is destroyed, the slurry is either discharged to the CC Tailings Management Facility, or sent underground for use as backfill. Slurry that is to be sent

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Intasol Tailings (Proprietary) Limited v Commission for

Following the processing of material from underground sources, and the extraction or winning of minerals, the remaining material, known as tailings, is pumped in slurry form to a tailings storage facility. Tailings storage deposition management present inherent risks, and proper and efficient management is required.

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APPENDICES

87 Mt of waste rock and 20 Mt of tailings over a concept mine plan of 15 years. The rate of mining is influenced by the Processing Plant capabilities which currently allows for Run of Mine feed of up to 1.6 Mtpa, producing 150,000 tonnes of base metal concentrate per annum.

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Tailings Disposal Options Regis Rpt

why thickened slurry tailings disposal was selected for the McPhillamys Gold Project Development Application. to recycle the water back to the processing facility. oxidise, forming potentially acid solutions, which in turn can mobilise soluble metals into the

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Assessing the Impact of an Operating Tailings Storage

unrecoverable and uneconomic metals, minerals, chemicals, organics and process water are sent via a pipeline as slurry to a secured storage facility or dam at the mine site (Tailings Storage Facility or TSF or Tailings Management Facility or TMF) (Vick, 1990). Tailings usually include metal

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Historic Mills and Mill Tailings as Potential Sources of

tial amounts of metal.1These processing operations placed the tailings in nearby locations that were convenient, but often unstable and subject to episodic contact with surface water. Because most mills utilized water in their chemical process-ing of ores, and most tailings emerged as a wet slurry, tailings

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2019 TAILINGS SUMMARY REPORT REVISION 1 COMMITTED

Tailings are fine and relatively uniform rock particles mixed with water to form a semi-liquid slurry. They are deposited in Tailings Storage Facilities (TSF) for management and storage. In some cases, tailings are dewatered to produce thickened tailings, paste tailings or filtered tailings (in decreasing degree of water content). See Appendix

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Recovering Cyanide From Gold Plant Tailings

process has been practiced, but there has been little incentive to process tailings in this way in the past. With. the development of technologies that make it possible to recover and recycle free or complexed cyanide directly from gold plant slurry tailings, which indicates, on

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Adriatic Metals plc Pre

Oct 15, 2020The press produces a filtered tailings product at 9.5% solids and discharges it to a covered stockpile which has a 12 hours residence time. The tailings are recovered by a front-end loader and transported by haul truck back to the Rupice site for use as backfill. Alternatively, the tailings are deposited at the tailings storage facility.

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Effects of Tailings Gradation on Rheological Properties of

May 28, 2019The key technology in filling mining is the gravity transportation of high-density slurries, and the filling system design is a significant part of this technology. The filling effect depends on the fluidity of the filling slurry. To investigate the influence of the gradation of tailings on the rheological properties of the filling slurry, this study uses particle size analysis to prepare

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OVERVIEW OF PGM PROCESSING

•Tailings (to tailings dams) •Chromite recovery •Converter matte (2,800 4E g/t) •Sulphuric acid •Autocatalysts •Jewellery •Other Industrial products (e.g. chemicals, electronics, fuel cells) Mining Crushing Milling Froth Flotation Drying and smelting in electrical furnace Air/O 2 Base Metal Refiningblown Converters Sulphur

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Geotechnical Properties of Mine Tailings

Characterization of the Tailings. The basic geotechnical properties of the four tailings are summarized in Table 1, and Fig. 1 displays the grain size distributions. The specific gravity of the coarse and fine iron tailings are 3.23 and 3.08, respectively, which are consistent with those of metal tailings but much higher than those of natural soils.

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Tailings Fact Sheet

Where tailings slurry is deposited in the facility, the water separates from the heavier sand and silt particles and collects to form a decant/reclaim pond on the surface of the impoundment. The tailings pond water is then recycled back into the milling process for reuse. The tailings are contained within the facility

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Tailings Retreatment: The Next Revenue Source for the

Tailings deposited into dams are in the form of a slurry. In 1998, a tailings dam failed at the Los Frailes zinc mine in Spain, causing more than one billion gallons of acidic, heavy metal-laden sludge to spill into the surrounding area, eventually making its way into the Guadiamar River. The spill decimated the area, resulting in massive

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THE PROPOSED WEDA BAY NICKEL (WBN) MINE PROJECT

and selected the environmentally preferred alternative to wet storage of slurry tailings in storage reservoirs and tailings dams, and the design features of the Residue Storage Facility include an impervious clay layer. The ore processing and metals extraction process was designed and optimized

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Mining Company Uses Location Tech to Improve Tailings

Apr 29, 2021Tailings consist of a slurry of ground rock and chemical effluents that are generated in the process of separating a precious commodity from ore. The tailings slurry is deposited in an outdoor containment area called a tailings storage facility that is often surrounded by earthen embankments and engineered to be both structurally and

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11 THICKENED TAILINGS MANAGEMENT

Sep 21, 2016Neutralized, low rsulfide, thickened tailings slurry will be transported from the ore processing facility to the TSF through a slurry pipeline. The thickened tailings slurry will contain approximately 55% solids by weight and the remainder will be water. An estimated 100 million tons of tailings solids will be stored in the TSF, at full

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