Sunday, September 22, 2019
12:00 Registration Granville Rooms
17:00 Welcome Reception Parq Level 6
Monday, September 23, 2019
Time Location Details
6:30 Author's Breakfast Stanley Room
6:30 Delegate's Breakfast Parq Grand Ballroom
Welcome Remarks
8:00 Weclome to the 7th International International Semi-autogenous Grinding and High Pressure Grinding Roll Technology Conference 2019
This conference theme is (R)EVOLUTION, to reflect both incremental and step change improvements in SAG and HPGR technology.

Greg Rasmussen, Chair
SAG Conference Tradeshow
9:00 - 17:00 Kistilano Ball Room
SAG Conference Poster Sessions
9:00 - 17:00 Outside Kitsilano Ball Room
Session #1 ENERGY EFFICIENCY
Time Paper Title, Author Paper #
8:30 Where are the Opportunities in Comminution for Improved Energy Efficiency?
Lane, Hille, Pyle, &Pease
1
8:45 Reducing Energy and Water Consumption Through Alternative Comminution Circuits
Boylston, Hille, & Lind
2
9:00 A Summary of Energy Efficiency Opportunities for the Red Chris Comminution Circuits
Nadolski, Haycock, Sailer, & Li
3
9:15 Quantifying the Additional Energy Consumed by Ancillary Equipment and Embodied in Grinding Media in Comminution Circuits
Ballantyne
4
9:30 Question Period
10:00 Break
Session #2 OPTIMIZATION AND START-UP
Time Paper Title, Author Paper #
10:15 Continuous Improvement at Sentinel (With Remote Grinding Support)
Kock, Lovatt, Butar, & Becker
5
10:30 Maintenance and Optimization Practices in the New Afton Grinding Circuit
Madsen & Katchen
6
10:45 Optimisation of Asanko's Obotan SABC Circuit to Achieve Project 5 MTPA
Morgan, Frost, Bradfor, Agbey, & Grobler
7
11:00 Pre-Crushing of SAG Feed: Friend or Foe
Starkey; Senchenko, & Reeves
8
11:15 The Contrarian's Guide to SAG Mill Optimisation
Sherman
9
11:30 Benchmarking Comminution Circuit Performance for Sustained Improvement
Giblett & Ballantyne
10
11:45 Question Period
12:15 Lunch
Session #3 TESTWORK
Time Paper Title, Author Paper #
13:15 The risk of test work variability on mill design
Wong
11
13:30 Bond's Work Index: What it is and what it isn't
Doll & Simonian
12
13:45 Comparative Study of Mechanical Properties of Pebbles within an Autogenous Grinding (AG) / Semi-Autogenous Grinding (SAG) Circuit
Jacobson
13
14:00 A Review of 10 years of HPGR Pilot Tests at the University of British Columbia
Klien, Wang
14
14:15 The Value of Daily HIT Ore Hardness Testing of SAG Feed at the Meadowbank Gold Mine
Kojovic & Leetmaa
15
14:30 Question Period
15:00 Break
Session #4 GEOMET AND MINE TO MILL
Time Paper Title, Author Paper #
15:15 Simulating the Impact of Ore Competence Variability on Process Performance - Case Study of a Large Copper Mine
Morrison, Kanchibotla, & Faramarzi
16
15:30 Advanced Mine-to-Mill Used to Unlock SABC Capacity at the Barrick Cortez Mine
Hilden, Powell, Monfils, Kanchibotla, Musunuri, Bozbay, Ray, Jokovic, & Kaah
17
15:45 Augmenting Traditional Mine-to-Mill with Cloud-Based Simulation and Reconciliation Capabilities
La Rosa, Beaton, Shapland, Amini, & Walkins
18
16:00 Drill-to-Mill Plant Optimization at Altynalmas Pustynnoye Gold Mine
Esen, Daniel, Dzhalolov, Bachramov, Geronimo, & Kalmatayev
19
16:15 Maintaining Consistent Performance from Two Identical SAG Mills Receiving Different Size Distribution
Draba, Bepswa, Mainza, & Anyimadu
20
16:30 Crush It! Challenge
TBC
21
16:45 Question Period
17:15 Refreshments
Panel #1
Time
18:15 Panel - Leadership & Diversity Panel Discussion “Comminution in Sustainable Resource Development”
Sponsored by Newmont Goldcorp
Tuesday, September 24, 2019
Time Location Details
6:30 Author's Breakfast Stanley Room
6:30 Delegate's Breakfast Parq Grand Ballroom
SAG Conference Tradeshow
9:00 - 17:00 Kistilano Ball Room
SAG Conference Poster Sessions
9:00 - 17:00 Outside Kitsilano Ball Room
Session #5 COMMINUTION DESIGN
Time Paper Title, Author Paper #
8:00 Selection of the HPGR technology for the Côté Gold project: Evaluation of the impact on cost and metallurgy
Makni, Gagnon, Lapointe, Sato, & Croteau
22
8:30 The Metcalf Concentrator HRC™3000: Performance at Variable Specific Force
Zervas
23
8:45 HPGR at Tropicana Gold Mine – Case Study
Gardula, Das, & Viljoen
24
9:00 25
9:15 HPGRs in Minerals: What do more than 50 Hard Rock HPGRs Tell us for the Future? (PART 2 – 2019)
Plath
26
9:30 Question Period
10:00 Break
Session #6 OPTIMIZATION AND START-UP
Time Paper Title, Author Paper #
10:15 Optimization of AG/SAG Circuits with Active Cone Crusher Control
Evertsson, Li, Hulthen, & Lindqvist
27
10:30 SAG Mill Ball Charge Modelling at Mt. Milligan
Simonian, Peters, & Doll
28
10:45 Design, Construction and Operating Experience of the SAG-Tower Mill Circuit at SEMAFO’s Boungou Mine in Burkina Faso
Boylston & Houde
29
11:00 The impact of expanding screening capacity of the Kansanshi SAG Mill discharge on the overall circuit performance
Phiri & Heath
30
11:15 Zinkgruvan Zinc Lead & AMP: Copper Concentrator Throughput Upgrade
Elphinston & Fredriksson
31
11:30 Resetting the Batu Hijau SAG Milling Circuit to Process Low Grade Stockpile Ore
Wirfiyata, Condori, Powell, & Harding
32
11:45 Question Period
12:15 Lunch
Session #7 LINERS
Time Paper Title, Author Paper #
13:15 Implementing the first Thunderbolt Skyway for Relining the SAG Mills at Cobre Panama
Rubie, Ikaheimonen, & Vonhoff
33
13:30 Step Change Improvement in SAG Mill Liner Design to Increase Hard Rock Throughput
Grignon, Taghimohammadi, Virani, & Masaun
34
13:45 The Design and Evaluation of SAG Mill Liner Trials
Toor
35
14:00 Grates plugging in SAG high diameter Mills: an overview of operational analysis
Olmedo & Rioseco
36
14:15 Effect of Ball Mill Liner Shape and Mill Speed on Grinding Efficiency at Detour Lake Grinding Circuit
Allaire, Torrealba, & Dupont
37
14:30 Question Period
15:00 Break
Session #8 MODELING AND DEM
Time Paper Title, Author Paper #
15:15 A Particle Scale Model for Complete Simulation of SAG Mill Process Performance
Cleary, Sinott, & Morrison
38
15:30 Linking the Packed Bed Test to Full Size HRC™ Performance
Qiu, Alkac, Pate, Mular, & Vien
39
15:45 Model Based Laboratory/Plant Scale-up of HPGR Circuit Performance
Sepúlveda, Tobar, Galdames, & Figueroa
40
16:00 The Natural Selection Function and Its Application to Crushing and Grinding
Vien
41
16:15 Evaluating the Energy Performance of an SABC Circuit with Pre-Crusher Under a Dynamic Operating Condition
Gong, Liu, Wang, Klein, Sun & Kou
42
16:30 Using Modelling to Optimise a Single Stage SAG Circuit Operated in Closed Circuit with High Frequency Fine Screening Technology
Powell, Mainza, Ballantyne, Frausto-Gonzales, Runge, & Mwale
43
16:45 Question Period
17:15 Refreshments
Panel #2
Time
18:15 Panel - Women in Comminution
Sponsored by Fluor
Wednesday, September 25, 2019
Time Location Details
6:30 Author's Breakfast Stanley Room
6:30 Delegate's Breakfast Parq Grand Ballroom
SAG Conference Tradeshow
9:00 - 17:00 Kistilano Ball Room
SAG Conference Poster Sessions
9:00 - 17:00 Outside Kitsilano Ball Room
Session #9 OPTIMIZATION AND START-UP
Time Paper Title, Author Paper #
8:00 Four Years into Operation – A Review of the Commissioning, Ramp-up and Current Performance of Las Bambas Concentrator in Peru
Meadows & Lamb
44
8:30 Design and Start-up of the Merian SABC Circuit
Giblett, Davies, & Dwi Payana
45
8:45 The Recent Advances of Raglan's Comminution Circuit
Tse, Nathan, Rosario, Proulx, & Wang
46
9:00 Improvement of CIS Standard Iron Ore Circuit by HPGR
Heinicke & Hubert
47
9:15 Optimisation Opportunities at Newmont Goldcorp's Peñasquito Operation
Chandramohan, Staples, Lane, Fogiatto, Awmack, Hille, Lind, Erwin, Patterson, & Tweed
48
9:30 Question Period
10:00 Break
Session #10 DRIVES AND MAINTENANCE
Time Paper Title, Author Paper #
10:15 The Self-Aligning HofAlign Gear Reduces Pitting, Fatigue, Fracture, and Down-Time in Mine Mills
Hofmann
49
10:30 ABB Ability™ - Digitalization of Predictive Maintenance for Grinding
Uzungelis & Perrucci
50
10:45 Using the “Two Mills One Drive ” Concept to Save Operational Costs
O'Neill
51
11:00 Asset Health Analytics of a Gearless Mill Drive
Tischler
52
11:15 Continuous Improvements in Mill Relining at Escondida
Rubie, Gwynn-Jones, Vonhoff, & Martinez
53
11:30 Increased Throughput from Liner Design Initiatives in the Aktogay 40 ft SAG Mill
Faulkner
54
11:45 Question Period
12:15 Lunch
Session #11 LINERS
Time Paper Title, Author Paper #
13:15 Design of Gigantic Composite Liners for Large SAG Mill Application
Bustamante
55
13:30 Comparative Study of Mill Discharge Systems using Coupled DEM SPH Simulations
Murariu
56
13:45 Optimizing Pulp Lifter Design using SPH Simulation: Tritton Story
Weerasekara & Town
57
14:00 Field validation of an updated work approach applied to ball mill Megaliner designs
Suazo & Jara
58
14:15 Grinding Media Size Selection – Is Bigger Really Better?
Cornish
59
14:30 Question Period
15:00 Break
Session #12 COMMINUTION DESIGN
Time Paper Title, Author Paper #
15:15 Optimizing Ball Mill Selection for a HPGR-Ball Mill Circuit
Vanderbeek, Burchart, Lipiec, Remmers, Mackert, & Wong
60
15:30 Reducing Edge Effect and Material Bypass Using Spring-Loaded Cheek Plates in HPGR Grinding
van der Ende
61
15:45 HPGR: Why Skewing is a Requirement for Operational Applications
van der Meer, Hannot, Knapp
62
16:00 Application of the Eccentric Rolls Crusher to SAG Milling
Lipiec, Drescher, Silvermann, & Beland
63
16:15 Estimating Ultra-fine Screening Performance and Efficiency
Bosman, Morgan, Zampini & Cunningham
64
16:30 Redesigning SAG mill recycle crusher operation
Hilden; Powell, Mainza; & Evertsson
65
16:45 Question Period
17:15 Refreshments
Panel #3
Time
18:15 Panel - Student mentorship: addressing the age gap in mining
Sponsored by Ausenco
Thursday, September 26, 2019
Time Location Details
6:30 Author's Breakfast Stanley Room
6:30 Delegate's Breakfast Parq Grand Ballroom
SAG Conference Tradeshow
9:00 - 12:00 Kistilano Ball Room
SAG Conference Poster Sessions
9:00 - 17:00 Outside Kitsilano Ball Room
Session #13 COMMINUTION DESIGN
Time Paper Title, Author Paper #
8:00 An Assessment of the Energy Efficiency and Operability of the World's Largest AG Mill at Aitik Boliden
Powell & Yahyaei
66
8:30 Single Stage Autogenous Grinding Revisited
Lane, Fogiatto, & de Paiva Bueno
67
8:45 Single Stage SAG Mills – What are the Important Design Considerations to Avoid Common Pitfalls
Powell, Nyakunuhwa & Mainza
68
9:00 Toward a Simple Approach Determining Single Stage SAG Mills’ Aspect Ratios (D/L)
Kalala
69
9:15 Hard Rock – Crush it or Let it Break Itself?
Putland
70
9:30 Question Period
10:00 Break
Session #14 PROCESS CONTROL
Time Paper Title, Author Paper #
10:15 A Structured Approach for Implementation of APC at FMI Cerro Verde
Supomo, Ortiz, Yepez, Nuñez, & McKay
71
10:30 Advanced Control Optimization and Digital Twin in Comminution for Better Mineral Throughput and Size Classification
Nazari & Carricajo
72
10:45 Sound based Advanced Process Control of a SAG Mill at Sumitomo Minera San Cristobal
Vidal
73
11:00 Wireless Sensor used to Determine Operational Variables in Semi-Autogenous Grinding Mills
Martinez, Duarte, Mascaró & Castillo
74
11:15 BEST POSTER
TBC
75
11:30 BEST POSTER
TBC
76
11:45 Question Period
12:15 Lunch
Session #15 PROCESS CONTROL
Time Paper Title, Author Paper #
13:15 Challenges of using Advanced Control Tools (ACT) System at the Sarcheshmeh Copper Complex SAG Mill Circuit
Maleki-Moghaddam, Bashiri, Akbari, Yazdani & Banisi
77
13:30 Methodology for Assessing the Benefits of Grind Control Using PST Technology for True On-Line Particle Size Measurement
Sepúlveda, Cirulis, O'Kefe, & Maron
78
13:45 On-line Optical Monitoring of the SAG Mill Chamber
Sepúlveda & Duarte
79
14:00 SAG Mill Online Ball Charge Level Measurement by Sound
Churata
80
14:15 Teck's HVC Adaptive Cruise Control for Secondary Grinding
Nunez & Hahn
81
14:30 Question Period
15:00 Break
Session #16 FINE GRINDING/CRUSHING
Time Paper Title, Author Paper #
15:15 A Review of Published Full Scale Stirred Mill Results
Larson
82
15:30 Improving the Single Stage SAG Circuit Efficiency and Product Quality through Finish Grinding in the Tower Mill
Yahyaei, Palaniandy, & Ishikawa
83
15:45 Design and Operation of the Vertical Shaft Impactor in Fine Crushing Applications
Gray & Rasmussen
84
16:00 A History of IsaMill Progress at the Teck Red Dog Mine
Lacouture & Larson
85
16:15 A Method for Ball Mill Media Sizing for Different Upstream Processes
McIvor, Bartholomew, & Arafat
86
16:30 Contributing to a better understanding of grinding media wear - exploring the impact of different parameters
Radziszewski & Martins
87
16:45 Question Period
17:15 Refreshments
Closing Banquet Dinner
Time
18:15 Parq Ballroom
Friday, September 27, 2019
Time
Depart: Friday SAG 2019 - Field Trip - Mt Milligan Site
Return: Sunday