Dispersant Thickened Tailings

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Thickened Tailings Offer Effective Disposal Alternatives

• Filtered tailings generally over 80% solids is too thick to pump and must be moved on a conveyor belt or by truck Choosing Between Thickened Tailings and the Alternatives As with any technology there are situations in which thickened tailings may be the best solution and those where other methods may be

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Thickened Tailings Disposal Software

Thickened Tailings Disposal Software Hard Disk Manager 2010 Suite v 2 1 2 Hard Disk Manager Suite provides you with all of the tools you need to manage todayd-deOaos hard drives including partitioning backup restore migration optimization defragmentation hard drive disposal boot management and system recovery

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THICKENED TAILINGS DISPOSAL IN THE MINING

This book deals with the basic concept and description of the Thickened Tailings Disposal (TTD) system and compares it with the traditional or conventional tailings disposal approach It discusses the environmental advantages of the TTD system--the reduction in dam heights and the elimination of the superimposed settling pond

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Paste thickening optimizes tailings disposal and water

1-5-2019Conventional tailings have a fine powder deposition that can create dust pollution Studies indicate thickened paste tailings can reduce tailings dam construction up to 40 percent both in material quantities and capital costs and allows flexible options for

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PATERSON COOKE Presents Filtered Paste and Thickened

Filtered Paste and Thickened Tailings Course PATERSON COOKE Presents THE COLORADO SCHOOL OF MINES GOLDEN COLORADO USA 5-8 JUNE 2018 Filtered paste and thickened tailings is developing into a mature technology with wide application in mine tailings management Several large tonnage operations are being developed based on paste

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Paste and Thickened Tailings A Guide Second Edition Re

Paste and thickened tailings refer to the underflow of tailings thickeners that exhibit non-settling solids character at concentrations higher than produced by normal plant thickeners Thickening to paste and thickened tailings concentrations reduces the volume of water reporting to tailings storages and allows the elimination of

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From Tailings to Treasure? Miners Make Money

20-7-2005Mine sites typically manage tailings by constructing ponds secured by dams According to the web site miningfacts another strategy is to produce thickened tailings which are pressed or have chemicals added to remove excess water Thickened tailings can be mixed with cement and used in construction or as backfill in underground mines

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Thickener

To make or become thick or thicker Thicken the sauce with cornstarch The crowd thickened near the Thickener - definition of thickener by The Free Dictionary https // Thickened Tailings Disposal thickened up Thickened Waste Activated Sludge thickenedly thickenedly thickenedly thickener Thickeners

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Outotec offers three new

Outotec offers three new technologies for sustainable tailings and water management Posted by Paul Moore on 28th December 2017 As ore compositions at mines around the world become more complex and the grades of available resources continue to decline the amount of tailings per tonne of metal produced is rising

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THICKENED SLURRY DISPOSAL METHOD FOR PROCESS

T1 - THICKENED SLURRY DISPOSAL METHOD FOR PROCESS TAILINGS AU - Palmer Bertrand AU - Krizek Raymond John PY - 1987/1/1 Y1 - 1987/1/1 N2 - Common practice in the disposal of process tailings consists of impounding the wastes as thin slurries or suspensions in

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ASSESSMENT OF THICKENING TAILINGS AS A TOOL FOR

the use of thickened tailings technologies and paste Such thickening can remove a significant amount of the tailings water by gravity separation technique in a thickener tank The denser solid particles naturally decant accumulating at the bottom of the tank which allows to remove a substantial amount of water through the top

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Field Testing of Co

Proceedings Tailings and Mine Waste 2011 Vancouver BC November 6 to 9 2011 Field Testing of Co-Disposal Techniques for Acid Generating Tailings and Waste Rock at Cerro de Maimn Mine Allen Li Senior Geotechnical Engineer Golder Associates Ltd Mississauga The conventional slurry tailings were thickened to a

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Thickened Tailings Deposition for Closure

Thickened Tailings Deposition for Closure Nicholas Thompson and Pepe Moreno 11 July 2017 This paper was first presented at the 20th International Seminar on Paste and Thickened Tailings in Beijing China on 16 June 2017 Abstract The strategic implementation of a thickened tailings system for an existing conventional TSF can be beneficial

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Thickened tailings characterization program for a tailings

Proceedings Tailings and Mine Waste 2015 Vancouver BC October 26 to 28 2015 Thickened tailings characterization program for a tailings storage facility design update - case study K Doucet N Pepin M Kissiova Golder Associates Ltd Montreal Canada C Pednault Canadian Malartic Mine Malartic Canada ABSTRACT This paper presents the results

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22ND INTERNATIONAL CONFERENCE ON PASTE THICKENED

The Australian Centre for Geomechanics is delighted that the 22nd International Conference on Paste Thickened and Filtered Tailings will be held in Cape Town South Africa from 8–10 May 2019 in collaboration with Paterson Cooke This will be the fifth time that the event will be held in Southern Africa Pilanesberg (2001)

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STATIC LIQUEFACTION IN TAILINGS DAM AND FLOW FAILURE

Mine tailings can be classified as slurry paste or cake according to its final solid/liquid ratio (S L) which arises from the treatment given to the slurries at the end of the extraction process Slurry undergoes no treatment paste is a thickened slurry and cake is a filtered slurry (see Fig 1)

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Suitability of the Central Thickened Discharge Method for

Central thickened discharge (CTD) is an innovative method of tailings disposal that involves stacking tailings in a low conical hill instead of storing them in cells In appropriate circumstances this leads to savings in capital costs and operating expenditure

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Filtered Paste and Thickened Tailings

Paterson Cooke is committed to sharing our specialist knowledge and skills by hosting courses that aim to equip participants with a broad understanding of the practical and theoretical issues of our key areas of expertise We regularly present courses on slurry pipelines thickening mine tailings and backfill Filtered Paste and Thickened

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CFD modelling of thickened tailings

tailings spreading and movement With CFD modelling the aim of the research was to model thickened tailings behavior and spreading in tailings pond Volume of Fluid (VOF) multiphase model was used to model the height and location of paste layer and the non-newtonian behavior of the tailings

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Tailings beach slope prediction

Tailings beach slope prediction Tim Fitton Abstract Tailings (mining waste) disposal is a significant consideration for the mining industry with the majority of the ore processed in most mining operations ending up as tailings This creates large volumes of tailings which must be handled and stored responsibly to avoid

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Best Practices for Tailings Dam Design

Best Practices for Tailings Dam Design Based on lessons learned from the investigations of the recent Mount Polley and Fundo tailings dam failures in British Columbia Canada and Minas Gerais Brazil respectively government agencies regulatory bodies and industry are improving how tailings dams are designed built and maintained

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Management of Tailings and Waste

dry-stacking of thickened tailings discarding tailings into surface water (e g sea lake river) or groundwater Tailings and waste-rock management facilities vary vastly in size e g from swimming-pool-sized tailings ponds to ponds of over 1000 hectares and from small tailings or waste-rock piles

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Toward the Sensible Use of Tailings Filtering Technology

Tailings Classification Yield Stress(1) (Pascals) Typical Percent Solids (%) Conventional Tailings 5 to 20 50 Thickened Tailings(2) 20 - 100 50-70 Paste Tailings 100-800 70-85 Filtered Tailings 800 85 NOTE 1 As measured at the point of deposition using a shear vane device 2 Often also defined by non-segregating behavior at deposition

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Rheology and Hydrogeological Behavior of Thickened

Rheology and Hydrogeological Behavior of Thickened Tailings Disposal using Field Experimental Cell Abdelkabir Maqsoud Mamert Mbonimpa and Bruno Bussire Universit du Qubec en Abitibi-Tmiscamingue Canada ABSTRACT Due to the current global context of the mining industry many open pit mine projects are being developed

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TTD

What does TTD stand for? TTD stands for Thickened Tailings Disposal (mining) Thickened tailings disposal minimizes ARD and metal leaching in reactive deposits through curtailment of potential diffusion of atmospheric oxygen Sustainable mining through innovation in waste disposal

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Investigations of the flume test and mini

unrealistically steeper slopes than those achieved in the field for thickened tailings This different performance of flume tests for beach slope prediction between conventional and thickened tailings is generally attributed to the presence of a yield stress in thickened tailings which is a key design parameter for thickened tailings disposal

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Tailings Mineral Industry Solution

For example a tailings stream in an iron ore application could be thickened to 45–50% solids Newtonian slurry in conventional or high-rate thickeners Conversely the same tailings stream could be thickened to 65–70% solids non-Newtonian suspension using a paste thickener Water Recovery

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Hillendale thickened tailings storage facility from

Hillendale thickened tailings storage facility – from project to closure K Goss-Ross 576 Paste 2015 Cairns Australia 2 Clay fines properties The particle-size distribution (PSD) of typical sand tailings as well as the clay fines tailings as determined by hydrometer and laser diffraction method (Malvern) is given in Figure 2

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ThickenedandPasteTailingsPipelineSystems Design Procedure

Thickened and Paste Tailings Pipeline System Design Procedure – Part 1 Page 6 3 3 Slump tests 3 3 1 Standard 12" slump cone A popular the method for obtaining an indication of flow behaviour is the standard 12" (305 mm tall) slump

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Toward the Sensible Use of Tailings Filtering Technology

Tailings Classification Yield Stress(1) (Pascals) Typical Percent Solids (%) Conventional Tailings 5 to 20 50 Thickened Tailings(2) 20 - 100 50-70 Paste Tailings 100-800 70-85 Filtered Tailings 800 85 NOTE 1 As measured at the point of deposition using a shear vane device 2 Often also defined by non-segregating behavior at deposition

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ASSESSMENT OF THICKENING TAILINGS AS A TOOL FOR

the use of thickened tailings technologies and paste Such thickening can remove a significant amount of the tailings water by gravity separation technique in a thickener tank The denser solid particles naturally decant accumulating at the bottom of the tank which allows to remove a substantial amount of water through the top

Get price

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Design Considerations for a Tailings Disposal System

With a thickened tailings system transport costs can be a big variable Moving paste 500 m vs 30 km can be a huge difference However a higher yield stress translates into less of a requirement for impoundment where the cost of the equipment would be insignificant compared to the

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Stability of Tailings Dams

thickened discharge (slurry with low water content) (Jewell 1998) The coarse particles of tailings (i e sand) settle close to the point of discharge and the fine particles (i e silt and clay generally termed as slimes) run down the beach into the pond and settle there (Vick 1990)

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2018 Tailings Research Projects Annual Report FINAL 03Jun2019

material includes accelerated dewatering tailings (ADW) centrifuge fine tailings (CFT) thickened tailings (TT) with sand-to-fines ratio (SFR) greater than 1 and fluid tailings at ~ 30% solids (FT) The project will identify the body of knowledge on three mitigation approaches to reduce fines re-suspension

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