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Inauguration Ceremony
19:00
Words of Welcome
Carlos Barahona, Paste 2016 Executive Director, Gecamin, Chile
Andy Fourie, Paste 2016 Co-Chair, Australian Centre for Geomechanics
Hubert González, Tailings and Water Management Manager, SCM Minera Lumina Copper, Chile
Opening Address: (ESP) Tailings Management in the Roadmap for Mining
Mauro Valdés, Presidente Ejecutivo del Programa Nacional de Minería Alta Ley
20:00 - 21:30 Welcome Reception. Foyer
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Plenary Session 1
Chair: Ray Martinson, General Manager, Paterson & Cooke, Chile
08:20
Day 2 Program Updates
Sergio Barrera, Paste 2016 Technical Coordinator, Delfing, Chile
08:30
(ENG) Addressing the Risk of Major TSF Failures
Richard Jewell and Andy Fourie, Paste 2016 Co-chair, Australian Centre for Geomechanics
09:00
(SPA) Design and Operation of Thickened Tailings Disposals in Chile
Ricardo Valdebenito, Consultor de Relaves, Independiente, Chile
09:30
Operational Evolution of Paste Deposits at Minera Las Cenizas
Andrés Monardes, Concentrator Plant Operation Superintendent, Grupo Minera Las Cenizas, Chile
10:00-10:50 Poster Session and Coffee Break, Courtesy of Weir Minerals. Foyer
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Session 1: Thickening
Chair: Juan Rayo, JRI Ingeniería, Chile
10:50
(ENG) Thickened Tailings Management, a Dynamic Process: Understanding and Optimizing the Thickener Operation
Klas Strömberg, Ramböll, Sweden
11:10
(ENG) Stability Considerations for Thickened Tailings due to Freezing and Thawing
Roger Knutsson, Peter Viklander and Sven Knutsson, Luleå University of Technology, Sweden
11:30
(ENG) A Revolution in Paste Plant Design
Mathew Revell and Richard Pearce, Outotec, Australia
11:50
(SPA) Management of Paste Tailings in Chile: A Review of Practical Experience and Environmental Acceptance
Carlos Cacciuttolo and Agustín Holgado, Universidad de Chile
12:10
(SPA) Slurry Densification Through Hydrocyclones: An Alternative to Conventional Processes
Javier López and Milton Mogollones, Weir Minerals, Chile
12:30-14:00 Lunch, Courtesy of BASF Mining Solutions. Poolside Terrace
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Session 2: Case Studies (1 of 2)
Chair: Phillip Fawell, CSIRO Process Science & Engineering, Australia
14:00
(SPA) Design and Operational Experience of the Animon High Density Tailings Deposit, Peru
José Lara, Golder Associates, Peru; Roberto Maldonado, Volcan Compañía Minera, Peru
14:20
(ENG) Remote Sensing Techniques to Characterize Tailings Deposition Behavior to Improve Daily Planning and Provide Early Warning Systems
Jon Engels and Francisco Vega, Tailpro Consulting, Chile
14:40
(SPA) Considerations for a High-Thickened Tailings System with Large Tonnage and High Pumping Requirement
David Romo, David Benavente, Lars Martinson and Ray Martinson, Paterson & Cooke, Chile
15:00
(SPA) Importance of Geotechnical Operational Control of Thickened Tailings Deposits
Raúl Espinace and Juan Torrejón, Geotécnica Ambiental, Chile; Gabriel Villavicencio, Pontificia Universidad Católica de Valparaíso, Chile; Andy Fourie, University of Western Australia
15:20
(SPA) Liquefaction and Stability Assessment of a Thickened Tailings Slope Based on Field and Laboratory Testing
Franklin Olaya and Rafael Luna, Golder Associates, Peru; Renmin Pretell, Golder Associates, USA
15:40
(ENG) Case Study: Comparison of Net Operational Costs and NPV of Project Investment Between HCSD and LCSD
Charilos Karambalis, Weir Minerals, The Netherlands
16:00-16:40 Poster Session and Coffee Break, Courtesy of Weir Minerals. Foyer
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Session 3: Testing
Chair: Marco Becerra, ASMIN Industrial, Chile
16:40
(ENG) Evaluation of Laboratory Scale of Tailings Thickening Test
Raymond Guang, Andres Quintero and Sue Longo, Golder Associates, Canada
17:00
(ENG) Laboratory Studies of Two End of Pipeline Treatment Technologies: Observations and Challenges
Adrian Knight and Fiona Sofrà, Rheological Consulting Services, Australia
17:20
(SPA) Impact of Test Work Campaigns in the Evolution of the Design of a Thickening and Transport Tailings System
David Benavente, David Romo and Ray Martinson, Paterson & Cooke, Chile
17:40
(ENG) Application of Fluidized Bed Column Testing to the Assessment of Beaching and Segregation Characteristics of Mine Tailings
Gordon McPhail and Roxana Ugaz, SLR Consulting, Australia; Jon Engels, Tailpro Consulting, Chile
18:00
(ENG) “What about 15% passing 20µm?” Dispelling the Myths and Rules for Paste with Testing and Examples
Andrew Hall, Frank Palkovits and Elio Tomini, Outotec, Canada
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Plenary Session 2
Chair: Ward Wilson, University of Alberta, Canada
08:20
Day 3 Program Update
Sergio Barrera, Paste Seminar 2016 Technical Coordinator, Gecamin, Chile
08:30
(SPA) Study of Mineralogical Properties that Affect the Process of Thickening Tailings: Project Talabre Thickened Tailings
Andres Palma, Claudia Urra, Gonzalo Caro and Paolo Maldonado, Codelco, Chile
09:00
(ENG) Paste Guides and Seminar Evolution and their Contribution to Mining Industry
Andy Fourie, Professor, School of Civil, Environmental and Mining Engineering, The University of Western Australia
09:30
(SPA) Tailings Management and Operational Control in Huachaucaja RCF – Sociedad Minera El Brocal
Joe Pezo, Process Manager, Sociedad Minera El Brocal, Peru
10:00-10:50 Poster Session and Coffee Break. Foyer
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Session 4: Filtration
Chair: Piia Suvio, Outotec, Canada
10:50
(ENG) Innovation in Tailings Dam Embankment Construction Using Residue Filled Geosynthetic Tubes
Morné Breytenbach, Marie-Therèse Van Kessel and Markus Wilke, Huesker Synthetic, Germany
11:10
(ENG) Tailings Filtration Demonstration Plant
Fred Schoenbrunn, Todd Wisdom, Reuben Neumann and James Chaponnel, FLSmidth, USA
11:30
(ENG) New Developments and Operating Experiences with High Performance Disc Filters for Tailings Dewatering
Jürgen Hahn and Andre Egger, BOKELA, Germany
11:50
(ENG) Filtering Mature, Fine Tailings Flocculated with Single and Dual Anionic/Cationic Polymers
Diógenes Vedoy, Linda Botha and João Soares, University of Alberta, Canada
12:10
(ENG) Optimization of Tailings Management Schemes: Comparison of Tailings Filtration and Paste
Arash Roshdieh and Keith Seddon, ACT Williams, Australia; Carlos Pavissich, ACT Williams, Chile
12:30-14:00 Lunch, Courtesy of Jord. Poolside Terrace
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Session 5: Rheology and Others
Chair: Pedro Valencia, SHIMIN Ingeniería, Chile
14:00
(ENG) Implementation of Tailings Rheology in a Predictive Open-Channel Beaching Model
Arno Talmon and Johan Winterwerp, Deltares and Delft University of Technology, The Netherlands; Jill Hanssen and Cees van Rhee, Delft University of Technology, The Netherlands; Luca Sittoni, Deltares, The Netherlands
14:20
(ENG) Case Study: Reprocessing Tailings Pond and Sub-Aqueous Deposition as Part of a Coal Mine Reclamation
Ben Booth and Jerold Johnson, WesTech, USA; David Henry, Coalview Recovery Group, USA
14:40
(SPA) Cyclic Shear Response of Fine-Grained Thickened Tailings
Gonzalo Suazo, Universidad Técnica Federico Santa María, Chile; Andy Fourie, The University of Western Australia
15:00
(ENG) Design and Commissioning of the Cooke 2 Shaft Backfill Reticulation System
Bernardt van der Spuy and Jaco Snyman, Paterson & Cooke, South Africa; Jonathan Steinmann, Cooke Operations, Sibanye Gold, South Africa
15:20
(SPA) Prediction of Non-Newtonian Fluids Pressures in Discharge Hoppers
Miguel Rosas, Anddes Asociados, Peru; Helard Alvarez, Universidad de Ingeniería y Tecnología (UTEC), Peru; Misael Ore, Research Group in Mechanical Applications (GIAM)
15:40-16:20 Poster Session and Coffee Break. Foyer
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Session 6: Tailings Beach Slope
Chair: Jon Engels, TailPro Consulting, Chile
16:20
(ENG) A Hydraulically Improved Beach Slope Model
Tim Fitton, Fitton Tailings Consultants, Australia
16:40
(ENG) Slurry Flow in Self-Formed Channels on Tailings Beaches
Andrew Chryss, Lachlan Graham and Krishna Mohanarangnam, CSIRO Mineral Resources, Australia
17:00
(SPA) Tailings Beach Slope Forecasting: An Empirical Model
Hugo Quelopana, Delfing, Chile
17:20
(ENG) Utilizing CFD for Predicting Post Failure Run-Out Distances of Thickened Tailings Deposits
Huiting Liu, Jinglong Gao, Andy Fourie and Scott Draper, University of Western Australia
17:40
(ENG) Thickened Tailings Discharge: Spigot Spacing and the Merging of Streams
Tim Fitton, Fitton Tailings Consultants, Australia
18:00-19:30 Networking Cocktail. Foyer
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Panel Discussion
08:20
Day 4 Program Update
Sergio Barrera, Paste Seminar 2016 Technical Coordinator, Gecamin, Chile
08:30
Challenges in Implementation of Highly Thickened Tailings Technology in Large Production Rates
Chair: Luis Valenzuela, Independent Consultant, Ex-Director, Arcadis
- Gonzalo Caro, Director of Thickened Tailings, Talabre, Codelco, Chile
- Fred Schoenbrunn, Global Director for Thickeners, FLSmidth Minerals, USA
- Marco Becerra, General Manager and Senior Consultant, Asmin, Chile
- Christian Kujawa, Process Manager, Paterson & Cooke, USA
Words from the Paste 2017 Organizers
Yifan Wu, Student, Curtin University of Technology, Australia
10:00-10:50 Poster Session and Coffee Break. Foyer
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Session 7: Slurry Chemistry
Chair: Sergio Prado, FLSmidth, Chile
10:50
(ENG) Development of Novel Techniques to Enhance the Mechanical Performances of Paste Backfill
Mohamed Mangane, Rabei Argane, Mostafa Benzaazoua, Université du Québec en Abitibi-Témiscamingue, Canada; Romain Trauchessec, Université de Lorraine, France
11:10
(ENG) Influence of Polymer Molecular Weight in Low and High Solids Tailings Applications
Allan Costine and Phillip Fawell, CSIRO, Australia; James Cox, Shaun Travaglini and Alex Lubansky, Edith Cowan University, Australia; Holger Misslitz, BASF Advanced Materials & Systems Research, Germany
11:30
(ENG) The Benefits of Incorporating Admixtures into Mine Paste Backfill
Fabian Erismann, Sika Tunneling and Mining, Switzerland; Shawn O’Hara, Sika Tunneling and Mining, Canada; Christophe Kurz, Sika Technology, Switzerland; Martin Hansson, Sika Tunneling and Mining, Sweden
11:50
(ENG) Novel Hyperbranched Functionalized Polyethylenes for the Treatment of Oil Sands Tailings
Linda Botha, Diógenes Vedoy and João Soares, University of Alberta, Canada
12:10
(ENG) Deposition Modeling of Amended Oil Sands Tailings Accounting for Thixotropy
Shabnam Mizani and Paul Simms, Carleton University, Canada; Ward Wilson, University of Alberta, Canada
12:30-14:00 Lunch. Poolside Terrace
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Session 8: Tailings Slurry Transport
Chair: Carlos Pavissich, ATC Williams, Chile
14:00
(ENG) Novel Paste Pipeline Depressurization Device to Allow Safe Depressurization of Cemented Paste Backfill Pipelines
Chris Lee, Golder Associates, Canada
14:20
(ENG) Centrifugal Pump Performance when Handling Non-Newtonian Slurries with Different Particle Sizes and Densities
John Furlan and Robert Visintainer, GIW Industries, USA; Anders Sellgren, Luleå University of Technology, Sweden
14:40
(SPA) Alternative Method for Transport Design of Bingham Plastic Fluids in Open Channels
Alejandro Vera and Cecilia Riveros, Arcadis, Chile
15:00
(ENG) Ductile Iron Pipes for Industrial Applications: New Solutions for the Mining Industry
Steffen Ertelt and Francisco Mendez, Duktus Rohrsysteme Wetzlar, Germany
15:20
(SPA) High-Density Slurry Transportation using Centrifugal Pumps, Control and Limits, NUTRAM Case
Pedro Valencia, Ricardo Abarca and Jorge Casanova, SHIMIN Engineering, Chile
15:40-16:20 Poster Session and Coffee Break. Foyer
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Session 9: Case Studies (2 of 2)
Chair: Tim Fitton, Fitton Tailings Consultants, Australia
16:20
(ENG) Tailings Central Thickened Discharge: Challenges Faced and Lessons Learned from Design to Operation
Juan Moreno and Nicholas Thompson, SRK Consulting, Australia
16:40
(ENG) Why the Design of Experiments Matters for Successful Mine Backfill Recipes
Corina Aldea and Bruce Cornelius, Amec Foster Wheeler Americas, Canada
17:00
(SPA) Thickened Tailings Disposal Technology Experiences in Chile
Raúl Espinace and Bruno Espinace, Geotécnica Ambiental, Chile; Gabriel Villavicencio, Pontificia Universidad Católica de Valparaíso, Chile; Andy Fourie, University of Western Australia
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Closing Ceremony
17:20
Conference Balance and Final Comments
Carlos Barahona, Paste 2016 Executive Director, Gecamin, Chile
Sergio Barrera, Paste 2016 Technical Coordinator, Defling, Chile
Ted Lord, Paste 2016 Co-Chair, Australian Centre for Geomechanics
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Poster Session. Foyer
Resistance Control of Paste Gravity Delivery in Deep Mine Backfilling
Wensheng Lyu, Hongwei Mu, Chao Yang and Changyan Ma, University of Science and Technology; Peng Yang, Beijing Union, China
Reform of DCT to Prevent Raking Halt based on Fluidized Bed Analysis
Aixiang Wu, Haiyong Cheng, Hongjiang Wang, Chunlai Hou, Changyum Zhong, University of Science and Technology Beijing, China
Water and Tailings Management Costs in NICICO’s Copper Concentrator Development Projects
Ehsan Karamad and HamidReza Seyf, National Iranian Copper Industries Co. (NICICO), Iran
A Coupled Large Strain Consolidation: Unsaturated Flow Model for Subaerially Deposited Tailings Management
Shunchao Qi, University of Ottawa, Canada; Paul Simms, Carleton University, Canada
Field Analysis of Dryness of a Fine Bauxite Tailings Using a Test Area
Giovani Pedrosa, Otílio Pires, Aldo Lenz and Anderson de Dutra e Cerceau, Hyrdo Paragominas, Bazil