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2017 / Journal / Non ATC Papers / Water Management

SPH modelling of multi-ﬂuid lock-exchange over and within porous media

Multi-ﬂuid ﬂow over and within porous media occurs frequently in nature and plays an important role in engineering applications. The modeling of these ﬂows and validation against experimental or ﬁeld observations have not been largely conducted in literature. An explicit numerical scheme for incompressible ﬂuid using Smoothed Particle Hydrodynamics (EISPH) was employed and solved using two integration algorithms.

Hossein Basser Department of Civil Engineering, Monash University, VIC 3800, Australia
Murray Rudman Department of Mechanical and Aerospace Engineering, Monash University, VIC 3800, Australia
Edoardo Daly Department of Civil Engineering, Monash University, VIC 3800, Australia

Advances in Water Resources 108 (2017) 15–28

http://dx.doi.org/10.1016/j.advwatres.2017.07.011
0309-1708/© 2017 Elsevier Ltd. All rights reserved.

2017 / ATC Papers / Conference / Slurry & Mechanical Engineering / Tailings Management

Thickener performance variability: underflow solids concentration and flowrate

The operational fluctuations of tailings thickeners have the potential to cause significant impacts on the tailings transport system and the tailings deposition at a tailings storage facility (TSF).

Behnam Pirouz ATC Williams, Australia

Sadegh Javadi ATC Williams, Australia

Keith Seddon ATC Williams, Australia

Paste Conference 2017

2016 / Journal / Non ATC Papers / Water Management

Why do residential recycled water schemes fail? A comprehensive review of risk factors and impact on objectives

In Australia, recycled water schemes have been implemented in residential developments to contribute to sustainable urban development, improve water supply security and reduce pollutant discharges to the environment. A proportion of these schemes, however, have been decommissioned well before the end of their design life which raises questions about the adequacy of the risk assessment and management practices adopted for recycled water schemes.

Camilla West Advanced Water Management Centre, The University of Queensland, St Lucia, Queensland 4074 and Australia Cooperative Research Centre for Water Sensitive Cities, PO Box 8000, Clayton, Victoria 3800, Australia

Steven Kenway Cooperative Research Centre for Water Sensitive Cities, PO Box 8000, Clayton, Victoria 3800, Australia and School of Chemical Engineering, The University of Queensland, St Lucia, Queensland 4074, Australia

Maureen Hassall Advanced Water Management Centre, The University of Queensland, St Lucia, Queensland 4074 and Australia Cooperative Research Centre for Water Sensitive Cities, PO Box 8000, Clayton, Victoria 3800, Australia

Zhiguo Yuan School of Chemical Engineering, The University of Queensland, St Lucia, Queensland 4074, Australia

Water Research 102 (2016) 271e281

http://dx.doi.org/10.1016/j.watres.2016.06.044
0043-1354/© 2016 Elsevier Ltd. All rights reserved.

2015 / ATC Papers / Conference / Slurry & Mechanical Engineering / Tailings Management

Open channel transportation of thickened tailings

The mining industry is moving towards thickened tailings with higher density than conventional operations. As a result, tailings transportation is more challenging due to the material’s tendency to exhibit non‐Newtonian behaviour at high solid concentration.

Sadegh Javadi RMIT University, Australia

Paul Slatter ATC Williams Pty Ltd, Australia

Satinth Bhattacharya RMIT University, Australia

Rahul Gupta RMIT University, Australia

Paste 2015 – RJ Jewell and AB Fourie (eds)
© 2015 Australian Centre for Geomechanics, Perth, ISBN 978-0-9924810-1-8

2015 / ATC Papers / Slurry & Mechanical Engineering / Tailings Management / Technical Paper

Chuquicamata full-scale field deposition trial

A large-scale field deposition trial was carried out at the Chuquimata mines Talabre Tailings Storage Facility (TSF) in Chile to study the achievable beach sloop with the current tailings in the absence id further thickening. The tailings received art the Talabre TSF are a mix of tailings from two different operating mines; Chuquimata (CH) and Ministro Hales (MH).

Benham Pirouz ATC Williams, Australia

Sadegh Javadi ATC Williams, Australia

Paul Williams ATC Williams, Australia

Carlos Pavissich ATC Williams, Chile

G Caro Codelco, Chile

Paste 2015 – RJ Jewell and AB Fourie (eds)

2015 / ATC Papers / Conference / Slurry & Mechanical Engineering / Tailings Management

Stochastic beach profile modelling

Modelling of a tailings beach using a time series of thickener output (flow rate and solids concentration) was first reported by Fitton et al. (2007). Seddon and Fitton (2011) presented statistical data on the performance of thickeners, and showed that the observed concave shape in tailings beaches could be adequately explained by this variability.

Keith Seddon ATC Williams Pty Ltd, Australia

Behnam Pirouz ATC Williams Pty Ltd, Australia

Tim Fitton Fitton Tailings Consultants, Australia

Paste 2015 – RJ Jewell and AB Fourie (eds)
© 2015 Australian Centre for Geomechanics, Perth, ISBN 978-0-9924810-1-8

2013 / ATC Papers / Slurry & Mechanical Engineering / Tailings Management / Technical Paper

Paste & Thickened tailings – myth busting and clarification

It is the contention of this paper that there remains considerable confusion regarding the mechanisms and benefits of thickened tailings schemes. This paper will attempt to clarify some of these issues.

T.G. Fitton ATC Williams, Australia

K.D. Seddon ATC Williams, Australia

Paste 2013 — A.A. Editor and B. Editor (eds)

2013 / ATC Papers / Slurry & Mechanical Engineering / Tailings Management / Technical Paper

Filtered tailings vs thickened slurry: Four case studies

Shortage of water (or a high cost of it) drives miners to look towards more costly water extraction technology for their tailings. Filtration technology offers greater water recovery than the more commonly used thickening technology, but this comes at a greater cost, both in terms of capital outlay as well as its operation.

Tim Fitton ATC Williams, Australia

Arash Roshdieh ATC Williams, Australia

Paste 2013 — A.A. Editor and B. Editor (eds)

2013 / Non ATC Papers / Slurry & Mechanical Engineering / Water Management

Simulation of interaction of side weir overflows with bed-load transport and bed morphology in a channel (SSIIM2.0)

To describe the complexity of flows accurately around side spillways, a 3D numerical flow model has been tested. In this study 3D numerical model SSIIM2.0 is used to simulate unsteady flows in side spillways in a schematic test channel. Side channel spillways are one of the types of outlet works at dams with wide applications in irrigation, drainage systems, in water and wastewater facilities.

Samane Arvandi Department of Water Science, Islamic Azad University, Science and Research Branch, Tehran, Iran.

Amir Khosrojerdi Soil Conservation and Watershed Management Research Institute, Tehran, Iran.

Mohammad Rostami Department of Water Engineering, Amirkabir University of Technology, Tehran, Iran.

Hossein Basser Department of Water Science, Islamic Azad University, Science and Research Branch, Tehran, Iran.

Vol. 5(5), pp. 255-261, May, 2013 DOI 10.5897/IJWREE12.124

International Journal of Water Resources and Environmental Engineering

2012 / Slurry & Mechanical Engineering / Tailings Management / Technical Paper

Relating Atterberg limits to rheology

The combination of rheology and soil mechanics is a relatively rare occurrence. Both fields are generally applied in quite separate circumstances, not usually at the same time. However, the transport and storage of thickened tailings slurries has created a situation in which both of these fields do come together.

T.G. Fitton ATC Williams Pty Ltd, Australia

K.D. Seddon ATC Williams Pty Ltd, Australia

Paste 2012 — R.J. Jewell, A.B. Fourie and A. Paterson (eds)

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SPH modelling of multi-ﬂuid lock-exchange over and within porous media

Thickener performance variability: underflow solids concentration and flowrate

Why do residential recycled water schemes fail? A comprehensive review of risk factors and impact on objectives

Open channel transportation of thickened tailings

Chuquicamata full-scale field deposition trial

Stochastic beach profile modelling

Paste & Thickened tailings – myth busting and clarification

Filtered tailings vs thickened slurry: Four case studies

Simulation of interaction of side weir overflows with bed-load transport and bed morphology in a channel (SSIIM2.0)

Relating Atterberg limits to rheology

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