Geochemical controls of potentially toxic element (PTE) release from the Gold One Tailings Dam Complex into the Randfontein area, Witwatersrand, South Africa

Jamie-Leigh Robin Abrahams¹, Charles D. Okujeni², Oluseyi Ayokunle Abegunde³, Changhong Wu⁴, Adrian Sherman Williams⁵

1: Department of Geology, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa; 2: Department of Earth Sciences, Faculty of Science, University of the Western Cape, Cape Town, South Africa; 3: Department of Civil and Geomatics, Faculty of Engineering, Cape Peninsula University of Technology, Cape Town, South Africa; 4: Confucius Institute, International Relations Office, University of the Western Cape, Cape Town, South Africa; 5: Council for Geoscience, Minerals and Energy Unit, Cape Town, South Africa

Advances in integrated performance monitoring of Tailings Storage Facilities

Kym Lesley Morton¹, Alastair Bovim²

1: KLM Consulting Services, South Africa; 2: Insight Terra, South Africa

Catoca Diamond Mine – implementation of an advanced monitoring network for a Tailings Storage Facility (TSF)

Marçal Manuel Vicario¹, Manuel Fidel Sonhi Manassa¹, Enoque Makango Paiva¹, Lukombo Eduardo Luzaiadio Carlos¹, Kym Lesley Morton²

1: Catoca Mining Society, Luanda, Angola; 2: KLM Consulting Services, South Africa

Acid Mine Drainage Remediation with Waste Products: Laboratory Findings and Field Model Applications

Joana F. Araújo^1,2,3, Charles A. Cravotta III⁴, Rita Fonseca^1,2,3, Roberto P. da Silva^1,2,3, Sergio Prats A.^5,6, Teresa Valente^3,7

1: AmbiTerra Laboratory, University of Évora, Évora, Portugal; 2: School of Sciences and Technology University of Évora, Évora, Portugal; 3: Institute of Earth Science, Portugal; 4: Cravotta Geochemical Consulting, Bethel, PA, USA; 5: MED&CHANGE | MED – Mediterranean Institute for Agriculture, Environment and Development & CHANGE – Global Change and Sustainability Institute, University of Évora, Évora, Portugal; 6: Biological Mission of Galicia – Spanish National Research Council (MBG-CSIC), Salcedo, Pontevedra, Spain; 7: Department of Earth Sciences at the University of Minho, Braga, Portugal

Recovery of poly-cationic metal sulphate from acid mine drainage and its beneficiation as a coagulant for drinking water treatment

Mamile Belina Mahlohla^1,2, Vhahangwele Masindi^1,2, Memory Tekere¹, Spyros Foteinis³

1: Department of Environmental Sciences, College of Agriculture and Environmental Sciences, University of South Africa (UNISA), P. O. Box 392, Florida, 1710, South Africa; 2: Magalies Water, Scientific Services, Research & Development Division, Erf 3475, Stoffberg street, Brits, 0250,; 3: Research Centre for Carbon Solutions, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom.

Critical Raw Materials Recovery from Acid Mine Drainage

Tamlyn Sasha Naidu^1,2, Craig Sheridan², Ed Hardwick³, Peter E. Holm¹

1: University of Copenhagen, Denmark; 2: University of the Witwatersrand, South Africa; 3: Cwenga Technologies, South Africa

Hydrodynamic Investigation of a density-stratified Underground Mine – Tracer Test Challenges and Results in the Georgi-Unterbau Mine, Tyrol, Austria

Christian Wolkersdorfer

Tshwane University of Technology (TUT), South Africa

Geochemical monitoring to use waste rock in mine component construction

David Arcos^1,2, Pablo Quesada², Alonso Huamán², Emilie Coene¹, Ersan Demirer¹

1: Amphos 21 Consulting S.L.; 2: Amphos 21 Consulting Perú S.A.C.

Coupled groundwater-surface water modelling workflow to support risk assessment of an abandoned underground coal mine due to natural mine water rebound

Nachayada Phonseela, Thomas Booth

WSP, United Kingdom