Outotec® Thickening technologies

High Compression Thickeners. ▫ Paste Thickeners. ▫ Conventional Thickeners. ▫ Clarifiers. ▫ Solids Contact Clarifiers. ▫ Lime Saturators. Outotec thickeners include a number of innovative ... Mineral sands tailings, Australia. Coal paste thickener, Australia ... Proven hydraulic drive and rake lift offers three levels of system...

Tailings Thickener Bed Level Control - Hawk Measurement

In most cases to settle the Thickener, under these conditions, it requires the process plant to reduce production, which will decrease the water flow to the Thickener and in turn, increase the retention rate within the Thickener. This hydraulically allows a greater settling out of solids, which in turn will allow the process plant to...

Thickener Design pdf, Mining Thickener, Thickener Tank, Hydraulic ...

Hydraulic Motor Driving Center Thickener is a mining thickener. A thickener with center hydraulic driving and hydraulic automatic rake lifting.

tailings management - InfoMine

Apr 2, 2010 ... Optimising paste thickeners by controlling the compact bed level and the .... issues, especially water issues. Yet misconceptions abound. The various tailing disposal types are defined as follows: Filtered tailing disposal: Tailing materials are dewatered to ..... lines for the hydraulic transport of abrasive solids.

The evolution of paste and thickened tailings - Australian Centre for ...

Dec 31, 2010 ... several iterations of thickener upgrade as the technology ... globally involved thickening tailings to a high consistency prior ..... stream tailings and is almost always blended with cement, or other additives, before being placed underground. Hydraulic backfill generally refers to tailings that are either coarser...

ANDRITZ Thickener

Thickener design. Benefits and features. ANDRITZ is able to offer proven tech- nologies in all major industries. ANDRITZ has more than thirty five years of experience in designing, in- stalling, and testing thickeners ... In this case, high density tails depo- sition can be achieved ... Hydraulic or electric drive. □ Extensive range...

Thickeners | Westpro Machinery

Westpro's thickeners are equipped with new generation hydraulic drives, high capacity feedwells, and low drag-high capacity rakes to deliver superior solids settling performance. Along with their robust ... in high-torque applications. 138ft diameter thickener for potash tailings processing in Saskatchewan, Canada...

Numerical Modeling of Tailings Thickening for Improved ... - CiteSeerX

Keywords: mine waste management, tailings thickening, numerical modeling, finite strain consolidation, hindered sedimentation, effective stress, void ratio, hydraulic conductivity. 1. Introduction. Wet mineral processing generates large volumes of fluid tailings accumulated over the operational life of a mine. Ge- nerally...

HiFlo High Rate Paste Thickeners - WesTech Engineering

As a result of the innovative design and associated hydraulic efficiency, the plant area for the HiFlo high-rate thickener is greatly reduced, even making indoor installations practical. The smaller equipment size ... Applications. Grind thickening; Concentrate; Tailings; Leach thickening; CCD circuits; Acid mine drainage...

Paste thickening optimizes tailings disposal and water recovery ...

May 1, 2015 ... The thickeners operate as clarifiers, returning the bulk of clarified water to the main plant at the combined hydraulic flow rate of 525,000 to 635,000 cubic feet per hour. These thickeners recover approximately 90 percent of the slurry water by volume. Most mining facilities would then deposit the tailings...

Thickened and Paste Tailings Pipeline Systems ... - Knight Piesold

This paper discusses centrifugal pump performance derating for non-Newtonian slurries, and hydraulic and mechanical design of paste and thickened tailings systems. The paper concludes by exploring specific aspects of designing thickener underflow pump systems, centrifugal pump systems and gravity backfill systems...

Conventional Thickeners

Historically thickeners were introduced to the mining industry in 1905 when the beneficiation of ores by froth flotation was invented in Australia. In 1964 there was a project to reprocess the huge piles of tailings that accumulated over the years and recover the remaining copper . At that time I was employed by Eimco in Salt...

RECENT INITIATIVES TO IMPROVE TAILINGS AND WATER ...

arid country surrounding the Olympic Dam deposit, and tailings disposal strategies recently adopted or under consideration. These strategies ..... very low hydraulic conductivity. The low water content means that .... thickening of the tailings slurry and discharge through central risers to form a final tailings profile resembling a...

Paste Thickeners McLanahan

Operation of McLanahan Thickeners has been engineered for simplicity. Each system includes point level pressure sensors to accurately track sludge level and density. PLCs run the system and log data such as feed rate, pH, sludge level and solids concentration. Hydraulic drives are able to give excellent indication of...

Rescan Corporate Overview - SveMin

Tailings Properties. Tailing Types: copper, gold, iron ore, bauxite, oil sands, massive sulphide, phosphate, laterite nickel. Geotechnical Properties: settling and consolidation behaviour ... Process Modifications: water (thickening, paste, dewatered); ... Tailings Reduce Hydraulic Gradients and make a Safer Dam. • Grouting of...

Numerical Modeling of Tailings Thickening for Improved Mine Waste ...

hindered sedimentation hydraulic conductivity mine waste management numerical modeling tailings thickening void ratio. Abstract: The environmental footprint of mining can be minimized by developing and improving the waste management technologies. Thickening involves the conversion of dilute tailings to paste-like...

Presentación de PowerPoint - Gecamin

Jul 8, 2016 ... a more significant progress in the understanding of the mechanics and the rheology of thickened tailings as well as in the development of thickeners and pumps started around 2000. • The history of PASTE conferences has contributed to the discussion of TT and Paste, encouraging the share of experience...

Preventing catastrophic failures and mitigating environmental ...

Mine tailings are usually deposited hydraulically, resulting in very large volumes of contaminated water having to be managed in a safe and economical manner. .... It is now more than three decades since Robinsky[2] suggested improving tailings management by thickening it to a consistency such that no free water (or...

Thickener optimization to reduce production costs | Endress+Hauser

Hydraulic pressure, bed height and bed mass are some of the critical measuring points, as well as underflow density, underflow rate, overflow clarity and dry solids feed rate. The challenge for ... The underflow density is important in maintaining stable operation and avoiding tailings block in the thickener discharge outlet.

Dewatering Alternatives - iPower

Oct 26, 2006 ... plans to study actions that would result in limiting the hydraulic head on the existing liner system with the goal of protecting this ... These wick drains also allow the additional dissipation of hydraulic head ... Thickener paste where tailings are thickened in deep cone paste thickener tanks or similar devices to.

Highly-productive compact thickeners – Velociter Invest OÜ

High-performance compact thickeners used for thickening (dehydrating) and clarification, as hydroseparators, tailings thickeners in mining and chemical industry as well as for sewage purification. In potassium industry they are used for sludge and saline products thickening, as result receiving filtered clarified mother liquor.

Tailings Management & Metal Recovery - Ausenco

hydraulic recovery of sand for dam construction; hydraulic delivery of sand to construction areas; water recovery from impoundment; thickening of “fines” to minimise water content (maximise storage volume); strategic planning for future operations (e.g., higher dam/ more distance to deposition). Ausenco's tailings transport...

Alternative tailing disposal - fact and fiction - MWH Global

misconceptions abound. The various tailing disposal types are defined as follows: Filtered tailing disposal: Tailing materials are dewatered to a >85% solids by weight. (defined as weight ... or ultra-high-density thickeners and transported by positive .... containing hydraulically placed dredged sediments. In order to prevent.

TSRU Tailings Pilot-Scale Thickening and ... - Barr Engineering

tailings. Previous research indicated a potential for thickening of TSRU tailings to increase hot water recovery and deposit early strength gain. The. TSRU testing ..... The hydraulic conductivities for the remoulded samples were consistently about one order of magnitude less than for the intact samples. In other words, once.

Thickening Resource Book

T H I C K E N I N G M O D U L E. P A R T I C I P A N T ' S W O R K B O O K. 6. Metalliferous Mining - Processing. Thickening. Resource Book ..... The hydraulic capacity of a launder must be sufficient to prevent flooding, which can ..... on some gold tailing thickeners with some success, it is more responsive that underflow.

Time-Varying Hydraulic Gradient Model of Paste-Like Tailings in ...

Jul 24, 2017 ... thickening equipment, such as deep-cone thickeners with a diameter of 25 m, is used in Sijiaying to obtain PLTS. After being uniformly mixed with flocculants, the sedimentation of argillized ultrafine tailings is accelerated, and the tailings concentration can be improved to 65%. With a solids content less than...

Case Study: Paste thickening optimises tailings disposal and water ...

Jul 30, 2015 ... The two high-rate thickeners operate as clarifiers, returning the bulk of the clarified water to the main plant at the combined hydraulic flow rate of 14,866 to 17,981 cubic metres per hour. These thickeners recover approximately 90 per cent of the slurry water by volume. Most mining facilities would then...

Pumping evaluations with paste tailings thickened ... - DiVA portal

WENNBERG, T. and SELLGREN, A. Pumping evaluations with paste tailings thickened close to the surface disposal area. Hydrotransport 17. The 17th International Conference on the Hydraulic Transport of Solids,. The Southern ... pumping and the disadvantage of having the thickening facility remote from the rest of.

Hydraulic Clarifier and Thickener Drives - Kusters Zima

Hi-Tech specializes in the design and manufacture of numerous water and wastewater equipment items for both municipalities and industry. Our intensive focus on quality products and unique manufacturing flexibilities allow us to offer the most comprehensive and diversified line of clarifier drive units offered in the industry.

(Español) Solid Solutions Spa : Solid Solutions

Structural Analysis and Incidences of Process of Installation in Forced Dilution System in Copper Tailings thickeners; Minera Lumina Copper. Study of Process Analysis, Hydraulic and Mechanical Effects in High Capacity Thickener in counter-current configuration (CCD) for Ag-Au Tailings; Yamana Gold. Support in the...

Hydrologic and Hydrogeologic Evaluation of the Thickened Tailings ...

The Kidd Creek Division of Falconbridge Ltd. has been using the Thickened Tailings Disposal. ('IT'D) method at its ... systems. The method consists in the thickening of the tailings slurry which is discharged in an ... Near-surface hydraulic gradients on the upper part of the cone indicate that upward flow dominates during the.

GREENSTONE GOLD MINES TAILINGS MANAGEMENT FACILITY ...

Sep 7, 2015 ... level geotechnical and hydrologic design of the tailings management facility (TMF) for the. Hardrock Project located ...... hydraulic conductivity of the area adjacent to the fault compared to bedrock in other boreholes. .... to between 55% and 60% solids using high-compression thickeners to a higher viscosity.

for gold mining thickener with central transmission in united states of ...

Thickener Design pdf, Mining Thickener, Thickener Tank, Hydraulic . Hydraulic Motor Driving Center Thickener is a mining thickener. . Control the speed of rake by regulating oil volume of oil pump, so as to achieve the best state. . The thickening equipment of gold cyanide factory adopted hydraulic motor driving center...

Geotechnical Behavior of In-Line Thickened Oil Sands Tailings

Mar 12, 2012 ... Results show that the in-line thickening process significantly improves hydraulic conductivity and undrained shear strength of the fine tails. Shearing damages some of the floc structure but does not cause the material to fully return to the original state of the cyclone overflow. The laboratory data of the in-line...

Mount Isa Mines Copper Concentrator - The AusIMM - Publications

Current management of the concentrator extends from grinding and flotation to concentrate handling (thickening and filtration) and tailings disposal (fill plants, tailings thickeners and process water ... Wet fill and paste fill plants utilise flotation final tailings as hydraulic or cemented hydraulic fill for stopes underground.

Tailings - Wikipedia

In paste tailings the percent of solids in the tailings slurry is increased through the use of paste thickeners to produce a product where the minimal separation of water and solids occurs and the material is deposited into a storage area as a paste (with a consistency somewhat like toothpaste). Paste tailings has the advantage...

FLSmidth - Hydraulic Thrust Device

Designed to perform. The automatic hydraulic thrust device (HTD) controls the kiln's axial motion. It counteracts the slope of the kiln and ensures uniform use of the contact surfaces between tyres and supporting rollers, as well as the girth gear and pinion.The hydraulic thrust device is designed to take up the full axial load of...

Tailings Management - Department of Industry, Innovation and ...

13. 4.1 Tailings dewatering and thickening. 14. 4.2 Tailings disposal methods. 16. 4.3 Tailings transport. 21. 4.4 Types of surface tailings storage facilities. 22. 4.5 In-pit tailings storage ...... clays for sealing purposes are limited or absent, and achieves a hydraulic conductivity at least comparable with, and often lower than,...

оао «karelsky okatysh». concentrating plant tailings storage facilities

of this Mining Complex were commissioned in 2004, the flow sheet of tailings slurry thickening to 55% solids by weight was applied, which allowed to construct .... Zhezkazgan Concentrating Plant Tailings Storage Facilities Cell I hydraulic engineering structures were in operation since 1964 to 2008 with tailings dam raised...

High Capacity Thickener

Westpro High Capacity Thickener Advantages. . . Variable speed; Forward & reverse capability; Low drag-high capacity rake design; High torque drive; Torque alarms; High capacity feedwell design; Hydraulic or electric drive systems; Local control system fully programmable...

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