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8–10 MAY 2019 | THE WESTIN | CAPE TOWN, SOUTH AFRICAThe 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), Cape Town (2004), Botswana (2008) and Rustenburg (2012).Southern Africa, as a region, is water scarce and has experienced severe droughts for the last few years. Together with changes in local legislation requiring facilities to be lined, there is a renewed interest in paste and thickened tailings and dry stack filter options in the region.
22ND INTERNATIONAL CONFERENCE ON PASTE , THICKENED AND FILTERED TAILINGS
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REFounding Body
MONDAY | 6 MAY TUESDAY | 7 MAY WEDNESDAY | 8 MAY THURSDAY | 9 MAY FRIDAY | 10 MAY
Paterson & Cooke Mine Backfill – Design and
Operation Course
ACG Is the Future Filtered? Paste and Thickened Tailings
Short Course
22nd International Conference on Paste, Thickened and Filtered Tailings
Conference Dinner
Collaborating Organisations
Conference KeynotesConference Co-chairs
Professor Andy FourieProfessor of Civil and Mining Engineering, The University of Western Australia, Australia
Dr Angus PatersonManaging DirectorPaterson & Cooke Consulting Engineers (Pty) Ltd, South Africa
SEE INSIDE
FOR LIST OF
ACCEPTED
PAPERS
Mariette LiefferinkCEO, Federation for a Sustainable Environment, South Africa“Selected extracts from South Africa’s environmental legislation, challenges with the management of gold tailings within the Witwatersrand gold fields and case studies”
Dr Caius PriscuHead of Mineral Residue Facilities and Water, Anglo American, Chile
David CorriveauDirector, Tailings, Canada’s Oil Sands Innovation Alliance, Canada“Canada’s oil sands innovation alliance: leading innovation in oil sands tailings”
Kelvin LeggeChief Engineer, Department of Water Affairs, South Africa“An economy and ecosystem symbiosis: barrier systems for water conservation and pollution control”
KEYNOTES
Canada’s oil sands innovation alliance: leading innovation in oil sands tailings D Corriveau, Tailings, Canada’s Oil Sands Innovation Alliance, Canada
An economy and ecosystem symbiosis: barrier systems for water conservation and pollution control K Legge, Department of Water and Sanitation, South Africa
Selected extracts from South Africa’s environmental legislation, challenges with the management of gold tailings within the Witwatersrand gold fields
and case studies M Liefferink, Federation for a Sustainable Environment, South Africa
CASE STUDIES
From dry stracking to paste backfilling: when switching technologies is an opportunity S Castro, Golder Associates Global Ibérica S.L.U., Spain; I Carrasco, Cobre las Cruces S.A.U., Spain
Disposal of tailing and the mining industry perspective: case study of the Cuiaba Mine MFM Gomes, JGM Filho, AngloGold Ashanti, Brazil; JA Pinheiro, AngloGold Ashanti, South Africa; C Crystal, SRK Consulting (Canada) Inc., Canada
Paste thickener benefits for soda ash: liquor recovery, mine backfill and surface stack J Johnson, L Webb, WesTech Engineering Inc., USA
Dareh Alou thickened tailings management scheme: a case study A Roshdieh, K Seddon, ATC Williams Pty Ltd, Australia; M Mohebbi, National Iranian Copper Company, Iran; K Shakeri, Jooyab Nou, Iran; M Nosrati, Middle East Water and Environment, Iran
Case study: conversion of a conventional above-ground tailings storage facility to a perimeter discharge central decant configuration through
successful tailings dewatering and management using Nalco WaterShed Polymer F Verdoorn, SIMEC Mining, Australia; K Gibbs, Nalco Water, Australia
CLOSURE AND REHABILITATION
Rehabilitation of the Hillendale Mine’s residue storage facility JA Beukes, ML Vlok, F Khose, Tronox KZN Sands, South Africa
Mine fines dewatering trials using amphibious vehicles at the Tronox KZN Sands Fairbreeze mine BLD Cocks, Tronox KZN Sands, South Africa
DEWATERING TECHNOLOGIES
Selecting a suitable method for dewatering of Noamundi iron ore slimes: a case study SJ Anzoom, A Dubey, AS Patra, AK Mukherjee, AK Bhatnagar, Tata Steel Limited, India
Improving installed thickener performance: a South African case study E de Vos, Paterson & Cooke Consulting Engineers (Pty) Ltd, South Africa; M Cook, Paterson & Cooke USA Ltd., USA
Tailings dewatering with increased filtration rates and lowest filter cake moisture for filtered tailings stacking J Hahn, BOKELA GmbH, Germany
Dewatering tailings: rapid water recovery by use of centrifuges R Klug, Flottweg SE, Germany; N Schwarz, Schwarz Global Consulting, South Africa
The effect of pre-conditioning of tailings prior to inline flocculation and deposition C Torres López, M Catling, BASF Corporation, USA; J Bellwood, BASF PLC, UK; L Boxill, BASF Canada Inc., Canada
The application of full-function high-pressure filter presses in tailings dewatering S Opperman, GS Mare, ENPROTEC, South Africa
Practical tailings slurry dewatering and tailings management strategies for small and medium mines GI McPhail, R Ugaz, Water, Waste and Land Australia Pty Ltd, Australia; F Garcia, Dewatering Technologies Australia, Australia
Operational strategies to improve paste plant performance J Palmer, Outotec Pty Ltd, Australia
Electrokinetic dewatering of mine tailings from hydrometallurgical processes JQ Shang, Y Xu, The University of Western Ontario, Canada
Feasibility of a sustainable disposal technique for iron ore tailings V Shukla, CR Kumar, DP Chakraborty, A Kumar, Tata Steel Limited, India
Process water conditioning to improve slurry dewatering AJ Vietti, SL Rabie, Vietti Slurrytec Pty Ltd, South Africa; K Ntshabele, Debswana Diamond Company Ltd, Botswana
The underdog mechanical tailings dewatering alternative for tailings: the screw press W Wimmler, Innovative Filtration Solutions Pty Ltd, Australia, S Whitton, Mechanical Advantage, Australia; L Wimmler, Innovative Filtration Solutions Pty Ltd, Australia
Maintaining high availability and low operational costs for filtered tailings facilities T Wisdom, FLSmidth, USA
EMERGING ISSUES AND TECHNOLOGIES
Review of potential role of electrokinetics technology in tailings dewatering and minerals recovery D Kalumba, University of Cape Town, South Africa; ST Mudenge, National University of Science and Technology, Zimbabwe
Advances in non-Newtonian dam-break studies N Moon, M Parker, HJJ Boshoff, Golder Associates Pty Ltd, Australia; D Clohan, Golder Associates Ltd., Canada
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*As of 30 January 2019. Accepted papers list is subject to change. For updates, please visit www.paste2019.co.za
Accepted papers*
www.paste2019.co.zawww.paste2019.co.za
Applying image classification to develop artificial intelligence for tailings storage facility hazard monitoring using site-based cameras J Engels, Tailpro Consulting, Chile; H Gonzalez, G Aedo, Sierra Gorda SCM, Chile
Satellite bathymetry for the monitoring of supernatant water volumes within tailings storage facilities L Navarro, G Aravena, J Engels, Tailpro Consulting, Chile; J Turner, PhotoSat Information Ltd., Canada
A new waterproofing membrane for tailing ponds liners G Spagnoli, BASF Construction Solutions GmbH, Germany; F Clement, BASF Belgium Coordination Centre, Belgium; B Dilnesa, BASF Schweiz, Switzerland; FH Cao, P Feng, BASF BACC, China
Earth observation data and satellite InSAR for the remote monitoring of tailings storage facilities: a case study of Cadia, Australia A Thomas, CGG Services (UK) Ltd, UK; SJ Edwards, University College London, UK; J Engels, Tailpro Consulting, Chile; H McCormack, V Hopkins, R Holley, CGG Services (UK) Ltd, UK
Severe service valves for applications with high percentages of solids R Waters, CGIS, Canada
RHEOLOGY
Online rheology monitoring of a thickener underflow AG Chryss, A Mönch, K Constanti-Carey, CSIRO Mineral Resources, Australia
Effects of the mineralogical composition and particle size distribution on the rheology and dewatering properties of gold and copper tailings P Desriviers, A Quintero, Golder Associates S.A., Chile; P Primeau, Golder Associates Ltd., Canada
SURFACE DISPOSAL
Investigation of the effects of different cover material to surface paste disposal method for lead–zinc tailings by pilot-scale tests A Bascetin, S Tuylu, D Adiguzel, Istanbul University, Turkey; H Eker, Gumushane University, Turkey; Y Baktarhan, E Odabas, Istanbul University, Turkey
An integrated approach to cost comparisons of different tailings management options A Carneiro, AB Fourie, The University of Western Australia, Australia
Tailings properties affecting the stacking angle of cyclone underflow RA Cooper, Fraser Alexander (Pty) Ltd, South Africa
Design of coarse tailings and dry ash disposal facilities AM Copeland, JM Teixeira, Knight Piésold Consulting (Pty) Ltd, South Africa
Dry stacking of high-grade flake graphite tailings: Tanzania P Moshi, J DeVries, Black Rock Mining Ltd, Australia; C Hogg, CMW Geosciences Pty Ltd, Australia; C Lane, Land & Marine Geological Services Pty Ltd, Australia
Estimating the in situ state of a thickened tailings deposit D Reid, The University of Western Australia, Australia
Practical thoughts regarding filtered tailings B Ulrich, Stantec Consulting Services, Inc., USA
TRANSPORTATION
Development and experience with multi-stage high capacity and pressure pumping of mine tailings using centrifugal slurry pumps and cost comparison
between actual field experience and the theoretical use of positive displacement pumps J Crawford, N Bessett, FLSmidth, USA
Evaluation of a non-Newtonian two-layer model for high concentration suspensions C Fraser, P Goosen, Paterson & Cooke Consulting Engineers (Pty) Ltd, South Africa
Flow process modelling of paste and thickened tailings PT Slatter, Sheridan College, Australia
UNDERGROUND AND BACKFILL
Effect of substitution of silica fume on the mechanical properties of cemented paste backfill A Bascetin, Istanbul University, Turkey; H Eker, Gumushane University, Turkey; S Tuylu, D Adiguzel, Istanbul University, Turkey
Effect of fuming furnace slag on strength of paste backfill CN Ghosh, SK Behera, Prashant, CSIR-Central Institute of Mining and Fuel Research, India; DP Mishra, Indian Institute of Technology, India; K Mishra, PK Mandal, KMP Singh, J Borgahin, PK Singh, CSIR-Central Institute of Mining and Fuel Research, India
One year of paste operations at Jabal Sayid, Saudi Arabia R Brown, Paterson & Cooke Canada Inc., Canada; N Smith, P Carmichael, Ma’aden Barrick Copper Company, Saudi Arabia
Underground paste fill reticulation management of system flow-loss M Griffiths, Quattro Project Engineering Pty Ltd, Australia
Design of high-strength backfill for a drift-and-fill mining method at Olympias mine, Greece H Grobler, V Chatziefstratiou, O Mousli, Hellas Gold, Greece; M Yumlu, Backfill Geotechnical Mining Consultants Pty Ltd, Australia
Utilisation of reactive magnesium oxide-activated ground granulated blast furnace slag in cemented backfill body from sulfide-bearing lead–zinc
tailings LJ Guo, WC Li, GS Liu, WY Xu, Beijing General Research Institute of Mining and Metallurgy, China
Required strength evaluation model and its application for vertically exposed backfill: inspired by Mitchell’s physical model tests GS Liu, XC Yang, LJ Guo, Beijing General Research Institute of Mining and Metallurgy, China; A Pan, University of Toronto, Canada; L Li, École Polytechnique de Montréal, Canada
Paste reticulation blockage: an Australian case study AS Morcombe, Quattro Project Engineering, Australia
Accepted papers*
*As of 30 January 2019. Accepted papers list is subject to change. For updates, please visit www.paste2019.co.za
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Evaluation of fly ash as a partial binder substitute for cemented paste fill in underground metal mines Prashant, CN Ghosh, SK Behera, K Mishra, PK Mandal, D Kumar, PK Singh, CSIR-Central Institute of Mining and Fuel Research, India
Triaxial tests on cemented paste backfill under low and high confining pressure A Safarizadeh, A Taheri, M Karakus, G Nguyen, The University of Adelaide, Australia
Optimisation of cemented aggregate backfill at New Luika mine BG Salvoldi, B van der Spuy, Paterson & Cooke Consulting Engineers (Pty) Ltd, South Africa; S Wilson, Paterson & Cooke UK Ltd , UK
Paste backfill reticulation optimisation NR Steward, Weir Minerals Australia, Australia; G Allen, K Tiedermann, Sandfire Resources, Australia
Friction losses of cemented unclassified iron tailings slurry based on full-scale pipe-loop test AX Wu, ZE Ruan, YJ Shao, JD Wang, SH Yin, SY Wang, CP Li, University of Science and Technology Beijing, China
Experimental investigation on the effects of mesoscopic parameters on macroscopic characteristics of cemented paste backfill during its developing
process J Xin, L Liu, P Zhou, C Zhu, Z Fang, Xi’an University of Science and Technology Beijing, China; KI-IL Song, Inha University, South Korea
Advancements of fluid fine tailings treatment technologies through fundamental research XS Yuan, J Lorentz, R Siman, Syncrude Canada Ltd., Canada
Early strength and stiffness investigations into the slag-lime paste fill mix at Cannington Mine O Zatta, South32, Australia
Internal sulphate attack of cemented paste backfill with the recycled mine tailings: internal sulphate attack model C Zhu, L Liu, K Chen, J Xin, Z Fang, Xi’an University of Science and Technology, China; KI-IL Song, Inha University, South Korea
PASTE 2019 CONFERENCE CONTACTS
• Delegate and registration queries contact [email protected]
• Sponsorship and trade exhibitor queries contact the ACG via [email protected]
• Author queries contact the ACG via [email protected]
Accepted papers*
*As of 30 January 2019. Accepted papers list is subject to change. For updates, please visit www.paste2019.co.za
www.paste2019.co.zawww.paste2019.co.za
Trade Exhibitors
Name Badge Lanyard Sponsor
VIETTI SlurrytecUnderstanding slurry™
™
Major Sponsors
Pens Sponsor
Open Access Sponsors
Paste 2019 sponsorship package information is available from www.paste2019.co.za/sponsorship
VIETTI SlurrytecUnderstanding slurry™
™
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PROGRAMME* | MONDAY 6 MAY 2019
Welcome and introduction
Backfill study stages and testing Study levels – scoping, pre-feasibility to feasibility
Pros and cons of paste and hydraulic fill
Backfill testing programmes
Sizing a plant and utilisation factors
MORNING BREAK
Backfill system design Design criteria
Flowsheets
Equipment selection
Case studies/various examples Design pitfalls
LUNCH
Pipeline distribution system hydraulics Background
Hydraulic backfill versus paste backfill flow
Modelling
Design requirements
Case study – pipeline wear Pipeline wear experience
Backfill placement and monitoring considerations Strength requirementsAdvances in pour monitoringRise rates and pressures
AFTERNOON BREAK
Backfill system management Scheduling
Barricades
Training
Wrap-up Questions and discussion
COURSE CLOSE
Paterson & Cooke Mine Backfill - Design and Operation Course6 May 2019 | Ballroom, The Westin | Cape Town
Course facilitator: Dr Angus Paterson, Managing Director, Paterson & Cooke Consulting Engineers (Pty) Ltd, South Africa
The one day backfill course will introduce the fundamental concepts of geomechanics and material properties that underpin decision-making when developing a backfill design. The course will examine the various elements that go into engineering and operating a backfill system, including plant/process design, underground reticulation design and backfill management planning.
ASSOCIATED EVENT
* Programme subject to change. For updates, please visit www.paste2019.co.za
CONFERENCE VENUEThe Westin Cape TownThe 22nd International Conference on Paste, Thickened and Filtered Tailings will be held at The Westin Cape Town.
Address: Convention Square, Lower Long Street Cape Town, 8000, South AfricaPhone: +27 21 412 9999Website: www.westincapetown.com
The Westin Cape Town offers unique views of the Victoria & Alfred Waterfront and Table Mountain. The hotel’s glass façade allows clear panoramic views of the breathtaking beauty of Table Mountain, Lion’s Head and the whole of Table Bay. The hotel also offers a large variety of restaurants and bars. The Westin hotel is hosting a number of events during the Paste 2019 Conference, and as such, accommodation there will be scarce. A discounted rate on a limited number of rooms has been secured for Paste 2019 delegates at the neighbouring AC Hotel Cape Town Waterfront, around a two-minute walk away. The rate of R2200 per night is for a standard single and includes breakfast. To book, please contact Ghowa directly on [email protected] or call +27 21 137 1118, and advise that you are booking for the Paste 2019 Conference.
www.paste2019.co.za
ACG Is the Future Filtered? Paste and Thickened Tailings Short Course7 May 2019 | Ballroom, The Westin | Cape Town
Course facilitator:
Professor Andy Fourie
Professor of Civil and Mining Engineering
The University of Western Australia, Australia
Drawing on experiences from a number of operational filtered tailings facilities, this short course will discuss available technologies, appropriate test programmes to determine relevant design parameters, operational challenges and cost comparisons.
ASSOCIATED EVENT PRELIMINARY PROGRAMME* | TUESDAY 7 MAY 2019
07:30 Workshop registration
08:20 Welcome and introduction
Professor Andy Fourie, The University of Western Australia, Australia
08:30 Solid liquid separation: old technologies applied to new applications – fundamentals of tailings filtration technologies
Wilfried Wimmler, Innovative Filtration Solutions Pty Ltd, Australia
09:00 Filtered tailings experience at Skorpion zinc mine: design and 15 years of operation
Andrew Copeland, Knight Piésold (Pty) Ltd., South Africa
09:30 Filter-pressed dry-stacking: alternative tailings management approaches
Colleen Crystal, SRK Consulting (Canada) Inc., Canada
10:00 MORNING BREAK
10:30 Large scale filtered tailings: saving costs and improving safety
Todd Wisdom, FLSmidth, USA
11:00 Filtered taillings for all: case histories for value in small operations
McLanahan Corporation Pty Ltd, Australia
11:30 Geotechnical considerations
Professor Andy Fourie
12:00 LUNCH
13:00 Filter applications in mine backfilling
Rob Brown, Paterson & Cooke, Canada, Canada
13:30 2016 Luoyang, China: tailings storage failure
Dr David Reid, The University of Western Australia, Australia
14:00 Dry stacks: how dry is dry?Bryan Ulrich, Stantec Consulting Services Inc., USA
14:30 AFTERNOON BREAK
SUPPLIER PRESENTATIONS
15:00 Transitioning to no tailings dam for a coal washing plant
Amol Chinchankar, Alfa Laval, Sweden
15:20 Dry stacking at every latitude
Aqseptance Group Srl, Italy
15:40 What is the ideal method to dewater tailings?
Christophe Bellot, Weir Minerals B.V., The Netherlands
16:00 Discussion
17:00 COURSE CLOSE
* Programme subject to change. For updates, please visit www.paste2019.co.za
PAYMENT OPTIONS Electronic Funds Transfer (EFT): Please return this completed form to
[email protected] and Paterson & Cooke will send you an invoice with EFT details included.
Credit Card:
Please return this completed form to [email protected] and Paterson & Cooke will send you a secure payment link (Visa and Mastercard are the only cards we accept).
CONTACT DETAILSPlease print. *denotes mandatory fields.
*Title (Mr, Mrs, Miss, Ms, Dr, Prof., Other) _____________________________
*Family Name _____________________________________________________
*First Name _______________________________________________________
Preferred Name ___________________________________________________
*Position _________________________________________________________
*Organisation _____________________________________________________
*Company VAT Registration (SA companies only) _______________________
*Mine/Dept _______________________________________________________
*Invoice Address ___________________________________________________
__________________________________________________________________
Phone ____________________________________________________________
Mobile ___________________________________________________________
*Email ____________________________________________________________*All confirmations/event updates will be sent via email.
Registrant contact details are intended to be published in the events authorised attendee list made available to event attendees, sponsors and exhibitors, who may contact you, including electronically, in the promotion of their products and services.
I give permission for my details to be included in the Paste 2019 and associated events attendee lists.
I give permission for the ACG to forward me ACG research, training and/or education information advice, including electronic communications.
I require an invitation letter for visa purposes (please forward a copy of your passport information page). For more information regarding South African visas, please visit http://www.dha.gov.za/index.php/immigration-services/types-of-visas
DELEGATE CANCELLATIONSUp to 8 days before event commencement: an administration fee of R1050 will be charged. 7 or less days before: no refund. Non-attendance: no refund. Substitutions will be accepted at any time. Paterson & Cooke and the ACG reserve the right to cancel the conference and associated events if insufficient registrations are received. Full disclaimer and cancellation policy and delegate terms and conditions at www.paste2019.co.za/disclaimer
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^ Students are required to provide proof of full-time enrolment.
Paste 2019 Conference | 8–10 May 2019
Paid after 31 Jan 2019
Standard ZAR
Standard R15500
Student^ R5500
Paterson & Cooke Mine Backfill - Design and Operation Course | 6 May 2019
Paid after 31 Jan 2019
Standard ZAR
Standard R5500
Student^ R2000
Paste 2019 Printed Proceedings (Softbound, colour) (Conference special)
ZAR R950
PAYMENT Total payment R __________________PO# (if required)_______________________
Payment to be received by 3 May 2019. All bank fees are the responsibility of the registrant. All prices include applicable taxes.
All full registrations will receive luncheons and refreshments. Conference papers will be accessible at papers.acg.uwa.edu.au from 29 April 2019. If you would like to purchase a printed copy of the proceedings, please tick the box below.
IMPORTANT NOTE Paste 2019 Conference speakers please do not fill out this form. Speakers will be contacted by the Australian Centre for Geomechanics (ACG) upon acceptance of their paper and will be sent a speaker registration form. The speaker registration fee for the Paste 2019 Conference is R11,000.
Paste 2019 Conference Dinner 9 May 2019
ZAR R1100
Please notify us below of any special dietary requirements.
__________________________________________________________
www.paste2019.co.za
8–10 MAY 2019 | CAPE TOWN, SOUTH AFRICA
ACG Is the Future Filtered? Paste and Thickened Tailings Short Course | 7 May 2019
Paid after 31 Jan 2019
Standard ZAR
Standard R5500
Student^ R2000
Collaborating Organisations
