>Application of Nanotechnology in Mining Processes Nanotechnology has revolutionized processes in many industries but its application in the mining industry has not been widely discussed. This unique book provides an overview of the successful implementation of nanotechnology in some of the key environmental and beneficiation mining processes.
This book explores extensively the potential of nanotechnology to revolutionize the mining industry which has been relying for a very long on processes with limited efficiencies. The nine specialized chapters focus on applying nanoflotation to improve mineral processing, effective extraction of metals from leachates or pregnant solutions using nanoscale supramolecular hosts, and development of nano-adsorbents or nano-based strategies for the remediation or valorization of AMD.
The application of nanotechnology in mining has so far received little attention from the industry and researchers and this groundbreaking book features critical issues so far under-reported in the literature:
- Application of nanotechnology in mineral processing for the enhancement of froth flotation
- Development of smart nanomaterials and application for the treatment of acid mine drainage
- Recovery of values from pregnant solutions using nanoadsorbents
- Valorization of AMD through formation of multipurpose nanoproducts.
Audience
Industrial interest will be from mining plant operators, environmental managers, water treatment plants managers, and operators. Researchers in nanotechnology, environmental science, mining, and metallurgy engineering will find the book valuable, as will government entities such as regulatory bodies officers and environmentalists.
Table of Contents:
Preface xiii
1 Modified Dendrimer Nanoparticles for Effective and Sustainable Recovery of Rare Earth Element from Acid Rock Drainage 1
Anyik John Leo, Innocentia Gugulethu Erdogan, Frans B. Waanders, Martin Mkandawire, Thabo T.I Nkambule, Bhekie B. Mamba and Elvis Fosso-Kankeu
1.1 Introduction 2
1.2 Rare-Earth Element Occurrence in Acid Mine Drainage 10
1.3 Dendrimer as Extraction Agent of Rare Earth Element in AMD 17
1.4 Designed a Recovery System for REE from AMD 21
1.5 Challenges and Opportunities for the Future of Metal Mining 24
1.6 Conclusion 25
2 Cellulose-Based Nanomaterials for Treatment of Acid Mine Drainage-Contaminated Waters 33
Thato M. Masilompane, Hlanganani Tutu and Anita Etale
2.1 Introduction 34
2.2 Cellulose 36
2.3 Synthesis of CNFs and CNCs 39
2.4 Cellulose Composites 50
2.5 Valorization of AMD-Contaminated Water and the Possible Uses of Recovered Elements 53
2.6 Conclusion 56
3 Application of Nanomaterials for Remediation of Pollutants from Mine Water Effluents 67
Ephraim Vunain
3.1 Introduction 68
3.2 Existing Treatment Methods of Mine Water and Their Limitations 70
3.3 Nanoremediation of Mine Water 71
3.4 Application of Nanomaterials for Mine Water Remediation 73
3.5 Conclusions and Future Perspectives 81
4 Application of Nanofiltration in Mine-Influenced Water Treatment: A Review with a Focus on South Africa 91
Frédéric Jules Doucet, Gloria Dube, Sameera Mohamed, Sisanda Gcasamba, Henk Coetzee and Viswanath Ravi Kumar Vadapalli
4.1 Introduction 93
4.2 Nanofiltration for Mine-Influenced Water Treatment 97
4.3 Large-Scale Operations Using Nanofiltration or Reverse Osmosis 128
4.4 Some Perspectives and Research Directions 136
5 Recovery of Gold from Thiosulfate Leaching Solutions with Magnetic Nanoparticles 153
N.D. Ilankoon and C. Aldrich
5.1 Introduction 154
5.2 Recovery of Precious Metals with Magnetic Nanohydrometallurgy 156
5.3 Synthesis and Functionalization of Magnetic Nanoparticles 166
5.4 Characterization of Magnetic Nanoparticles 170
5.5 Recovery of Gold from Thiosulfate Leaching Solutions 175
5.6 Gold Elution and Reuse of the Adsorbent 181
5.7 Industrial Scale-Up and Challenges 182
5.8 Environmental Concerns and Toxicity of MNPs 186
6 Recovery of Na2CO3 and Nano CaCO3 from Na2SO4 and CaSO4 Wastes 197
Conny P. Mokgohloa, Johannes P. Maree, David S. van Vuuren, Kwena D. Modibane, Munyaradzi Mujuru and Malose P. Mokhonoana
6.1 Introduction 198
6.2 Literature Survey 200
6.3 Materials and Methods 209
6.4 Results and Discussion 211
6.5 Conclusions 232
7 Recovery of Drinking Water and Nanosized Fe2O3Pigment from Iron Rich Acid Mine Water 237
Tumelo Monty Mogashane, Johannes Philippus Maree, Leny Letjiane, Vhahangwele Masindi, Kwena Desmomd Modibane, Munyaradzi Mujuru and Mabel Mamasegare Mphahlele-Makgwane
7.1 Introduction 238
7.2 Literature Review 243
7.3 Materials and Methods 247
7.4 Results and Discussion 253
7.5 Conclusion 283
7.6 Recommendation 284
8 Advances of Nanotechnology Applications in Mineral Froth Flotation Technology 289
Madzokere Tatenda Crispen, Nheta Willie and Gumbochuma Sheunopa
8.1 Introduction to Froth Flotation 290
8.2 Current Developments of Nanotechnology in the Mineral Froth Flotation Process 291
8.4 Current Research Gaps 319
8.5 Conclusion 320
9 Nanoscale Materials for Mineral Froth Flotation: Synthesis and Implications of Nanoscale Material Design Strategies on Flotation Performance 327n, Gumbochuma Sheunopa, Mudono Stanford and Mamuse Antony
9.1 Introduction 328
9.2 Classification of Minerals 329
9.3 Synthesis and Characterization of Nanoscale Materials 337
9.4 Nanoflotation Reagents and Mineral Particle Interaction in the Flotation Environment 340
9.5 Nanotoxicology 347
9.6 Conclusion 348
References 348
Index 355
About the Author :
Elvis Fosso-Kankeu has a doctorate degree from the University of Johannesburg in South Africa. He is currently a Full Professor in the School of Chemical and Mineral Engineering at the North-West University in South Africa. His research focuses on the prediction of pollutants dispersion from industrial areas, and on the development of effective and sustainable methods for the removal of inorganic and organic pollutants from polluted water. He has published more than 200 publications including journal articles, books (3 are with the Wiley-Scrivener imprint), book chapters, and conference proceedings papers.
Martin Mkandawire is a professor of solid-state chemistry in the School of Science and Technology and former Industrial Research Chair for Mine Water Management at Cape Breton University, Nova Scotia, Canada. Before joining Cape Breton University in 2012, he was based at Technische Universitaet Dresden, Germany for 20 years. He serves on a few research foundations in Europe, Asia, South and North America, and Africa. He is the author of Ecowriting: Advice to ESL on Effective Scientific Writing in Environmental Science and Engineering.
Bhekie Mamba is the Executive Dean of the College of Science, Engineering and Technology, University of South Africa since January 2017. He previously served as the director of the Nanotechnology and Water Sustainability (NanoWS) research unit at the University of South Africa. Prof. Mamba has published more than 250 journal papers, about 12 technical reports, and over 50 conference proceedings.
