iii
Contents
Foreword ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� xix
Program Organizing Committee ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� xxi
Technical Program Committee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Technical Program Committee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
International Mineral Processing Council. ...................................xxiii
Plenary Program
Critical Minerals for the Energy Transition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
A Delivery Pathway to Sustainable Minerals Processing—The Future Impact of Research and Innovation. . . . . 7
Keynote Presentations
New Strategies for Recovery of Nickel and Cobalt for a Low Carbon Future. . . . . . . . . . . . . . . . . . . . 23
The Importance of Process Mineralogy and Geometallurgy in Enabling the Energy Transition. . . . . . . . . . . 37
How Can We Re-Innovate the Mining Industry?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Application of the Boycott Effect in Maximizing Grade and Recovery. . . . . . . . . . . . . . . . . . . . . . . 54
Rare Earth Elements Separation Principles Applied Through Innovative Methods. . . . . . . . . . . . . . . . . 63
The World of Water in Mining. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Advances in Model Predictive Control for Flotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Dry Beneficiation. ................................................91
Advances in Flotation Which Have the Potential to Address the Challenges Associated with
Energy Transition. ................................................99
Changing the Face of Comminution—Insurmountable Hurdles or Just Speed-Humps on the Journey?. . . . . 112
Embracing New Technology in a Traditional Industry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Catching Lightning in a Bottle—The Future of Tailings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Development of Sustainable Hydrometallurgical Technologies for Critical Minerals and Precious Metals. ...145
Critical Skills for Critical Minerals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Innovation and R&D
Carbon Reduction in Comminution and Processing and Novel Applications in Honor of
Professor Hermann Woltruba
A Carbon/Energy Balance Study—Methodology to Determine the Value of
Carbon Capture Solutions in Mineral Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Aluminum Recovery from Hyperaccumulating Plants for Industrial Applications . . . . . . . . . . . . . . . . 174
Coarse Gangue Rejection by Selective Comminution. .............................181
Electrify Everything—Designing a Fully Electric Gold Processing Facility for a Low-Carbon Grid. . . . . . . . 192
Contents
Foreword ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� xix
Program Organizing Committee ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� ��� xxi
Technical Program Committee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Technical Program Committee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
International Mineral Processing Council. ...................................xxiii
Plenary Program
Critical Minerals for the Energy Transition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
A Delivery Pathway to Sustainable Minerals Processing—The Future Impact of Research and Innovation. . . . . 7
Keynote Presentations
New Strategies for Recovery of Nickel and Cobalt for a Low Carbon Future. . . . . . . . . . . . . . . . . . . . 23
The Importance of Process Mineralogy and Geometallurgy in Enabling the Energy Transition. . . . . . . . . . . 37
How Can We Re-Innovate the Mining Industry?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Application of the Boycott Effect in Maximizing Grade and Recovery. . . . . . . . . . . . . . . . . . . . . . . 54
Rare Earth Elements Separation Principles Applied Through Innovative Methods. . . . . . . . . . . . . . . . . 63
The World of Water in Mining. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Advances in Model Predictive Control for Flotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Dry Beneficiation. ................................................91
Advances in Flotation Which Have the Potential to Address the Challenges Associated with
Energy Transition. ................................................99
Changing the Face of Comminution—Insurmountable Hurdles or Just Speed-Humps on the Journey?. . . . . 112
Embracing New Technology in a Traditional Industry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Catching Lightning in a Bottle—The Future of Tailings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Development of Sustainable Hydrometallurgical Technologies for Critical Minerals and Precious Metals. ...145
Critical Skills for Critical Minerals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Innovation and R&D
Carbon Reduction in Comminution and Processing and Novel Applications in Honor of
Professor Hermann Woltruba
A Carbon/Energy Balance Study—Methodology to Determine the Value of
Carbon Capture Solutions in Mineral Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Aluminum Recovery from Hyperaccumulating Plants for Industrial Applications . . . . . . . . . . . . . . . . 174
Coarse Gangue Rejection by Selective Comminution. .............................181
Electrify Everything—Designing a Fully Electric Gold Processing Facility for a Low-Carbon Grid. . . . . . . . 192