thickened tailings

PASTE 2021

16:35 Thickened tailings loop test to corroborate the hydraulic Hanks model and Buckingham equation L Vilela, D Pinto, G Ramos, Brass do Brasil, Brazil EMERGING ISSUES AND TECHNOLOGY 17:05 The balance between energy and water preservation in the deposition of tailings in wet climates JB Kruyswijk, Weir Minerals, The Netherlands 17:35 DAY ONE CLOSE

The high density thickened discharge tailings storage ...

The high density thickened discharge tailings storage facility at Osborne Mine – a case history from inception to closure GI McPhail SLR Consulting Australia Pty Ltd, Australia Abstract Chinova Resources Pty Ltd''s Osborne Mine is located in Northern Queensland, approximately 800 km inland

Tailings Thickened Tailings Storage

Thickened tailings are defined as tailings that have been significantly dewatered to a point where they will form a homogeneous non-segregated mass when deposited from the end of a pipe When placed layer by layer the thickened tailings will dry to near its shrinkage limit and become dilative under dynamic shaking, thus preventing

(PDF) Sedimentation and Consolidation of In-Line Thickened ...

An alternative technology to improve oil sands tailings settling behavior, an in-line thickening process (ILTT), was investigated. To achieve these new tailings, flocculants and coagulant are mixed with cyclone overflow tailings in an in-line multi

Paste &Thickened Tailings

Paste &Thickened Tailings. Thickening mining waste streams into higher solids concentration slurries and pastes is a widespread practice which has become the dewatering process of choice for a large number of mines globally. Thickening offers significant water recovery and process control when compared to traditional tailings dams, and the ...

Paste 2020

Paste 2020 is organized to offer a forum where executives and professionals can learn and analyze recent innovations on paste, thickened and filtered tailings management. The previous version, in 2019 held in South Africa, gathered over 260 professionals.

THICKENED SLURRY DISPOSAL METHOD FOR PROCESS TAILINGS ...

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 …

Paste and thickened tailings : a guide

TheTailings Continuum:DefiningTheBoundaries 11 2.1 PREAMBLE 11 2.2 THETAILINGSCONTINUUM 11 2.3 THECURRENTSITUATION 12 2.3.1 Conventional tailings slurry 13 2.3.2 Thickened tailings slurry 13 2.3.3 Paste 14 2.3.4 Cake 15 2.4 CLASSIFICATIONSYSTEM-BOUNDARIES 15 2.4.1 Segregation threshold 16 2.4.2 Initial settled density 16 2.4.3 Liquid limit 16 Ix

CFD simulation of tailings slurry thickening in a gravity ...

To improve thickening performance, flocculant can be added to aggregate fine particles to form flocs of a larger size [,,,, ]. Tailings slurry is thickened and discharged from the bottom as dense slurry while clarified liquid is collected at the top periphery of the tank for reuse or further purification.

Influence of climate, mineralogy and mineral processing on ...

The homogenous thickened tailings deposition in both areas did not favour hardpan formation, since the critical amounts of reacting sulfides were never achieved in individual lamina, due to missing mineral/grain size fractionation. The high-temperature/low-water availability, characteristic for desert climate regions did not allow significant ...

Tailings Management Facilities Water Management and the ...

either retained in the tailings voids or lost to seepage and evaporation. Water usage efficiency can be improved significantly by thickening tailings, because the thickener overflow is re-tained within the plant circuit and is therefore not exposed to such losses. Mudder et al. (2001) describe approaches to determining the overall water balance ...

ACG Paste | ACG Paste, Thickened and Filtered Tailings ...

This conference is the twenty-fourth in the series of international conferences on paste, thickened and filtered tailings (P&TT) initiated by the ACG in 1999, and …

(PDF) LIQUEFACTION RESISTANCE OF THICKENED TAILINGS | …

The thickened tailings studied in this paper may be described as a clayey silt. In the aluminum industry they are often referred to as "red mud." Because the tailings are deposited at high water content, the question of their susceptibility to liquefaction, and whether a flow slide will be triggered during the design earthquake, becomes ...

Thickened Tailings Deposition for Closure | SRK Consulting

The strategic implementation of a thickened tailings system for an existing conventional TSF can be beneficial in terms of significantly reducing the required post-operational earthworks and the time to achieve final closure.

Revegetation of non-Acid-generating, thickened tailings ...

In thickened tailings that were mixed with topsoil, C/N ratios increased along the experiment from 21 to 40, a value where N immobilization by microorganisms occurred, as suggested by low N concentrations in tree tissues. In consequence, tree height growth (broadleaved) and biomass (conifers) were reduced. ...

Yanacocha Thickened Tailings

 · The tailings are thickened at the mill in a high rate thickener before being pumped to the storage facility by a train of centrifugal slurry pumps. The design considered the following key issues: The optimum design concentration to increase the tailings concentration, while maintaining reasonable capital costs for the system ...

Some comments on thickened tailings and beach slopes

Keywords: thickened tailings, beach slope, tailings storage facility 1 Introduction Eli Robinsky''s concept of thickened tailings disposal has been applied at dozens of mines around the world since it was first proposed some 50 years ago. The defining aspect of Robinsky''s concept is the exploitation

Thickening & Tailings | Emerson US

 · Thickening & Tailings. Accurately measure and control slurry flow management operation with advanced flowmeters, valves and actuators. Advanced Instrumentation For Rigorous Thickening Operations Optimizing your thickening process is increasingly important, but slurry flow management can be hindered by erratic flow measurement, frequent ...

Liquefaction assessment of a thickened tailings deposit in ...

Liquefaction assessment of a thickened tailings deposit in an arid environment using empirical approaches and critical state laboratory testing to calibrate cone penetration tests Brad Tiver. A case study of a liquefaction assessment undertaken on a thickened tailings deposit at a copper mine in an arid environment is presented. A program was ...

THICKENED TAILINGS: RHEOLOGICAL AND GEOTECHNICAL ...

Thickened tailings are defined as tailings that have been significantly dewatered to a point where they will form a homogeneous non-segregated mass when deposited from the end of a pipe When placed layer by layer the thickened tailings will dry to near its shrinkage limit and become dilative under dynamic shaking, thus preventing

Thickened tailings and paste plant

A thickened tailings or paste disposal area is designed to store solids and a little excess water. Recovery of process water is carried out in the thickener before deposition. Due to the higher beach slope, the footprint of the area needed is half the size of a conventional tailings pond.

Filtered, Paste and Thickened Tailings

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 and filtered tailings systems. The successful implementation of filtered, paste and thickened tailings technology is dependent on a sound ...

Tailings Central Thickened Discharge; challenges faced and ...

thickened tailings disposal becomes an attractive scenario. A central thickeneddischarge (CTD) tailings storage facility (TSF) was designed and commissioned at a phosphate mining operation in the Kingdom of Saudi Arabia. The design stage included comprehensive

Development and Implementation of Thickened Tailings ...

2004 International Seminar on Paste and Thickened Tailings Development and Implementation of Thickened Discharge at Osborne Mine, Queensland, Australia Page 2 Osborne Mine Figure 1.1-1 : Locality map Osborne has been operating since 1996 and generates approximately 112,000 tonnes of tailings per month.

Tailings 2019 | Golder

 · Application of thickened tailings technologies sometimes require for the impounded tailings to perform as a competent engineered fill (e.g. become the foundation of upstream raises, ensure stability of tailings beach stacked above the dam crest, etc.). In such cases, the geomechanical behavior of tailings is a key issue, with liquefaction often ...

Comparative study of Non-Newtonian thickened tailings in ...

The present study aims to define the optimum thickening concentration for copper tailings, applied to a case study of representative Chilean mine tailings, from a rheological and energy point of view, as a function of recovered water in the thickeners and specific energy consumption (SEC), transporting one ton of Non-Newtonian thickened tailings.

Thickened tailings characterization program for a tailings ...

thickened tailings since 1973 in climatic conditions similar to CMM. The CMM TSF was developed over an abandoned tailings facility and used some of the existing dikes as start-up confining structures. Initial design criteria allowed development of the TSF with TT at 68% solids content (by weight), target establish by client team, and central ...

Esperanza Thickened Tailings Project | SRK Consulting

The Esperanza tailings facility is located in northern Chile, in the Atacama Desert and will be the largest thickened tailings facility in the world. Recently, ME was distinguished with the Innovation Award of the Year 2009 in Chile for its efforts in conserving water. The most significant drivers for this award were the usage of sea water for the process and the introduction of thickened ...

Thickened Tailings Transport Using Positive Displacement Pumps

 · Thickened Tailings Transport Using Positive Displacement Pumps. Updated: Jan 10. Background information. Our customer is a Latin American company, specialising in gold, silver and copper production. The underground mine dedicated to gold and silver extraction runs flotation, leaching and electro-injection processes for metal extraction. Daily ...

Tailings Kidd Creek Met Site

The Thickened Tailings Site In 1973 the Kidd Creek Metallurgy Plant in the town of Timmins, Ontario, Canada was the first site to use thickened disposal of tailings. The theory was that instead of having a conventional impoundment involving embankments that are continually raised as more tailings are disposed of, there would be little or no ...

SAIMM

 · And so let us now move away from this negativity to the positive contributions contained in the eight papers on paste and thickened tailings. The opening remarks made by Fourie (University of Western Australia) in his paper succinctly places the topic into perspective: ''Interest in the potential use of high-density, thickened tailings has ...

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 26 June 2017. Abstract The strategic implementation of a thickened tailings system for an existing conventional TSF can be beneficial