Monday, September 23, 2019 – Parq Grand Ballroom

SESSION 1: Energy Efficiency

Session Chair: TBD

Time

Paper Title, Author(s)

Paper #

8:20

Where are the Opportunities in Comminution for Improved Energy and Water Efficiency? Lane, Hille, Pease, & Pyle

1

8:45

Reducing Energy and Water Consumption Through Alternative Comminution Circuits, Lind, Murray, Boylston, & Arce

2

9:00

A Summary of Energy Efficiency Opportunities for the Red Chris Comminution Circuits, Nadolski, Haycock, Li, Seiler, & Kumar

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

Session Chair: TBD

Time

Paper Title, Author

Paper #

10:15

Continuous Improvement at Sentinel (with Remote Grinding Support), Butar, Becker, Putland, Lovatt, & Kock

5

10:30

Maintenance and Optimization Practices in the New Afton Grinding Circuit, Katchen & Madsen

6

10:45

Optimisation of Asanko’s Obotan SABC Circuit to Achieve Project 5 Mt/a,
Bradford, Gift-Agbey, Grobler, Frost, & Morgan

7

11:00

Pre-Crushing of SAG Feed: Friend or Foe, Starkey, Reeves, & Senchenko

8

11:15

The Contrarian's Guide to SAG Mill Optimisation, Sherman

9

11:30

Benchmarking Comminution Circuit Performance for Sustained Improvement,
Ballantyne & Giblett

10

11:45

Question Period

12:15

Lunch

SESSION 3: Testwork

Session Chair: TBD

Time

Paper Title, Author

Paper #

13:15

Testwork Variability – Implications for Grinding Circuit Design, Vizcarra & 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 & Fabbri

13

14:00

A Review of 10 Years of HPGR Pilot Tests at the University of British Columbia, Wang & Klein

14

14:15

The Value of Daily HIT Ore Hardness Testing of SAG Feed at the Meadowbank Gold Mine, Kojovic, Bergeron, & Leetmaa

15

14:30

Question Period

15:00

Break

SESSION 4: Geomet and Mine-to-Mill

Session Chairs: TBD

Time

Paper Title, Author

Paper #

15:15

Simulating the Impact of Ore Competence Variability on Process Performance – Case Study of a Large Copper Mine, Faramarzi, Kanchibotla, & Morrison

16

15:30

Advanced Mine-to-Mill Used to Unlock SABC Capacity at the Barrick Cortez Mine, Powell, Bozbay, Kanchibotla, Bonfils, Musunuri, Jokovic, Hilden, Young, & Yalcin

17

15:45

Augmenting Traditional Mine-to-Mill with Cloud-Based Simulation and Reconciliation Capabilities, Carrasco, Gahona, La Rosa, Shapland, Beaton, & Amini

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

Investigation of a Novel HPGR and Size Classification Circuit, Pearce, Gagnon, Klein, MacIvor, Makni, Wang, & Kumar

21

16:45

Question Period

17:15

Refreshments

18:15

Panel – Leadership in Resource Development “Comminution in Sustainable Resource Development”
Sponsored by Newmont Goldcorp

Tuesday, September 24, 2019 – Parq Grand Ballroom

SESSION 5: Comminution Design

Session Chairs: TBD

Time

Paper Title, Author

Paper #

8:00

Selection of HPGR Technology for the Côté Gold Project: Evaluation of the Impact on Cost and Metallurgy, Makni, Lapointe, Croteau, & Sato

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, Tickner, & Piscicelli

24

9:00

Milling in Raffinate at the Mutoshi Mine, Bordi & Green

25

9:15

HPGRs in Minerals: What Do More Than 50 Hard Rock HPGRs Tell Us for the Future? (PART 2 – 2019), Burchardt & Mackert

26

9:30

Question Period

10:00

Break

SESSION 6: Optimization and Start-up

Session Chair: TBD

Time

Paper Title, Author

Paper #

10:15

Dynamic Modelling of a SAG Mill-Pebble Crusher Circuit by Data-Driven Methods, Li, Evertsson, Lindqvist, Hulthén, Asbjörnsson, & Bonn

27

10:30

SAG Mill Ball Charge Modelling at Mount Milligan, Simonian, Yue, & Rawat

28

10:45

Design, Construction, and Operating Experience of the SAG-VERTIMILL® Circuit at Semafo’s Boungou Mine in Burkina Faso, Houde & Boylston

29

11:00

The Impact of Expanding Screening Capacity of the Kansanshi SAG Mill Discharge on the Overall Circuit Performance, Phiri, Ngosa, Chongo, Scagliotta, & Heath

30

11:15

Zinkgruvan Zinc Lead and Copper Concentrator Throughput Upgrade,
Elphinston, Fredriksson, Brandt, & Vasara

31

11:30

Resetting the Batu Hijau SAG Milling Circuit to Process Low-Grade Stockpile Ore, Condori, Wirfiyata, & Dwi

32

11:45

Question Period

12:15

Lunch

SESSION 7: Liners

Session Chair: TBD

Time

Paper Title, Author

Paper #

13:15

Implementing the First Thunderbolt Skyway with Insideout Technology at Cobre Panama, Ikaheimonen, Rubie, Gwynn-Jones, & Bohorquez

33

13:30

Continuous Improvement in SAG Mill Liner Design to Increase Hard Rock Throughput, Taghimohammadi, Grignon, Sherman, & Virani

34

13:45

The Design and Evaluation of SAG Mill Liner Trials, Toor, Valery, Brennan, & Duffy

35

14:00

Grates Plugging in High Diameter SAG Mills: An Overview on Operational Analysis, Olmedo & Rioseco

36

14:15

The Dynamic Influence of Ball Mill Wearing Profile in Mill Performance, Torrealba, Dupont, & Allaire

37

14:30

Question Period

15:00

Break

SESSION 8: Modelling and DEM

Session Chairs: TBD

Time

Paper Title, Author

Paper #

15:15

A Particle Scale Model for Simulation of SAG Mill Process Performance: Model Components and Application to Pilot and Industrial Scale Mills, Sinnott, Cleary, & Morrison

38

15:30

Linking the Packed Bed Test to Full Size HRC™ HPGR Performance, Qiu, Vien, Mular, Alkac, & Pate

39

15:45

Model-Based Laboratory / Plant Scale-up of HPGR Circuit Performance, Sepúlveda, Tobar, & 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, Frausto, Ballantyne, Runge, Mwale, Powell, & Mainza

43

16:45

Question Period

17:15

Refreshments

18:15

Panel – Women in Comminution,

Sponsored by Fluor

Wednesday, September 25, 2019 – Kitsilano Ballroom

SESSION 9: Optimization and Start-Up

Session Chairs: TBD

Time

Paper Title, Author

Paper #

8:00

Four Years into Operation – A Review of the Commissioning, Ramp-up, and Current Performance of the Las Bambas Concentrator in Peru, Meadows, Lamb, & Carpio

44

8:30

Design and Start-up of the Merian SABC Circuit, Davies, Giblett, & Dwi Payana

45

8:45

The Recent Advances of Raglan's Comminution Circuit, Rosario, Nathan, Tse, Wang, & Proulx

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,
Lind, Erwin, Chandramohan, Tweed, Lane, Staples, Hille, Foggiatto, Awmack, & Patterson

48

9:30

Question Period

10:00

Break

SESSION 10: Drives and Maintenance

Session Chair: TBD

Time

Paper Title, Author

Paper #

10:15

The HofAlign Girth Gear, Hofmann & White

49

10:30

ABB Ability™ – Digitalization of Predictive Maintenance for Grinding, Madi & 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, Martinez, Rubie, Bohorquez, & Gwynn-Jones

53

11:30

Increased Throughput from Liner Design Initiatives in the Aktogay 40 ft SAG Mill, Faulkner, Lozovoy, Kumar, & Lee

54

11:45

Question Period

12:15

Lunch

SESSION 11: Liners

Session Chair: TBD

Time

Paper Title, Author

Paper #

13:15

Design of Gigantic Composite Liners for Large SAG Mill Applications, Bustamante, Mori, & Toro

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 MegalinerTM Design, Jara, Suazo, & Martinez

58

14:15

SAG Mill Grinding Media – Is Bigger Really Better? Cornish, Conger, & Pax

59

14:30

Question Period

15:00

Break

SESSION 12: Comminution Design

Session Chairs: TBD

Time

Paper Title, Author

Paper #

15:15

Optimizing Ball Mill Selection for a HPGR Ball Mill Circuit, Wong, Mackert, Lipiec, Remmers, Burchardt, & Vanderbeek

60

15:30

Reducing Edge Effect and Material Bypass Using Spring-Loaded Cheek Plates in HPGR Grinding, van der Ende, Knapp, & van der Meer

61

15:45

HPGR: Why Skewing is a Requirement for Operational Applications, Knapp, Hannot, & van der Meer

62

16:00

Application of the Eccentric Roll Crusher to SAG Milling, Beland, Drescher, Lipiec, Silberman, Wong, & Szczelina

63

16:15

Estimating Ultrafine Screening Performance and Efficiency, Bosman, Morgan, & Cunnigham

64

16:30

Redesigning SAG Mill Recycle Crusher Operation, Powell, Evertsson, & Mainza

65

16:45

Question Period

17:15

Refreshments

18:15

Panel – Student Mentorship: Addressing the Age Gap in Mining
Sponsored by Ausenco

Thursday, September 26, 2019 – Kitsilano Ballroom

SESSION 13: Comminution Design

Session Chairs: TBD

Time

Paper Title, Author

Paper #

8:00

An Assessment of the Energy Efficiency and Operability of the World’s Largest Autogenous Grinding Mills at Boliden’s Aitik Mine, McElroy, Powell, Tillberg, Hilden, Yahyaei, Linna, & Johansson

66

8:30

Single-Stage Autogenous Grinding Revisited, de Paiva-Bueno, Foggiatto, & Lane

67

8:45

Single-Stage SAG Mills – What are the Important Design Considerations to Avoid Common Pitfalls? Mainza, Nyakunuhwa, & Powell

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 & Sciberras

70

9:30

Question Period

10:00

Break

SESSION 14: Process Control

Session Chair: TBD

Time

Paper Title, Author

Paper #

10:15

A Structured Approach for Implementation of APC at FMI Cerro Verde,
Ortiz de Zevallos, Yepez-Monroy, Nunez-Chirinos, Supomo, & 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, King, Vidal, & McKay

73

11:00

Wireless Sensors Used to Determine Operational Variables in Grinding Mills, Duarte, Martínez, Castillo, & Mascaró

74

11:15

BEST POSTER PRESENTATION
TBC

75

11:30

BEST POSTER PRESENTATION
TBC

76

11:45

Question Period

12:15

Lunch

SESSION 15: Process Control

Session Chair: TBD

Time

Paper Title, Author

Paper #

13:15

Challenges of Using Advanced Control Tools (ACT) System at the Sarcheshmeh Copper Complex SAG Mill Circuit, Bashiri, Maleki-Moghadam, Akbari, Yazdani, & Banisi

77

13:30

Methodology for Assessing the Benefits of Grind Control Using PST Technology for True Online Particle Size Measurement, Maron, O'Keefe, Sepúlveda, & Cirulis

78

13:45

Online Optical Monitoring of the SAG Mill Chamber, Sepúlveda & Duarte

79

14:00

SAG and Ball Mill Online Ball Charge Level Measurement by Sound, Churata

80

14:15

Teck’s HVC Adaptive Cruise Control for Secondary Grinding, Nuñez & Hahn

81

14:30

Question Period

15:00

Break

SESSION 16: Fine Grinding/Crushing

Session Chairs: TBD

Time

Paper Title, Author

Paper #

15:15

A Review of Published Full-Scale Stirred Mill Results, Larson

82

15:30

Improving Single-Stage SAG Circuit Efficiency and Product Quality Through Finish Grinding in the Towermill, Palaniandy, Yahyaei, & Ishikawa

83

15:45

Design and Operation of the Vertical Shaft Impactor in Fine Crushing Applications, Lewis-Gray & Rasmussen

84

16:00

A History of IsaMill Progress at the Teck Red Dog Mine, Larson, Lacouture, & Anderson

85

16:15

A Method for Ball Mill Media Sizing for Different Upstream Processes, Bartholomew, McIvor, & 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 followed by Closing Remarks

17:30

Refreshments

19:00

Closing Banquet Dinner