🎓 Geochemical characterization of tailing, pit lake sediment and waters using PHREEQC in Nador abandoned mine (Morocco)

Fatima zohra El houfy, Abdelilah Dekayir, Mohamed Rouai, Abdelmouiz Ech-charef

Geo-explorations & Geotechnics Lab, Morocco

🎓 Passive Treatment of Acid Mine Drainage Integrated with Carbon Dioxide Removal by Enhanced Rock Weathering in Acid Mine Drainage

Fugo Nakamura¹, Hkaung Htut San¹, Hajime Iwaki¹, Monthicha Rawangphai¹, Naomi Kitagawa², Shinichiro Morimoto², Takao Nakagaki³, Tsutomu Sato¹

1: Laboratory of Eco-Materials and Resources, Course of Sustainable Resources Engineering, School of Engineering, Hokkaido University; 2: Environmental and Social Impact Assessment Team, Global Zero Emission Research Center, The National Institute of Advanced Industrial Science and Technology, Department of Energy and Environment; 3: Nakagaki Laboratory, Department of Mechanical Engineering, School of Creative Science and Engineering, Waseda University

Interaction between bacteria and minerals in post-mining heaps in view of metal(loid) release

Agnieszka Pawlowska

Wroclaw University of Science and Technology, Poland

Depression and Dewatering Characteristics of Kaolinite in View of the Reprocessing of Ultrafine Colliery Waste

Malibongwe Manono

Centre for Minerals Research, Department of Chemical Engineering, University of Cape Town, Private Bag X03, Rondebosch 7701, South Africa

Water Disaster Control with Grouting in Bed Separation due to Deep Mining

Wanghua Sui¹, Yonghui Wu²

1: China University of Mining and Technology, China, People's Republic of; 2: Menkeqing Coal Mine, China Coal Company, China, People's Republic of

Opportunities to improve groundwater models for mining assessments in South Australia: learnings from common shortcomings

Gabor Bekesi¹, Juliette Woods², Michael Teubner², Mark Keppel², Kent Inverarity², Paul Thompson¹

1: Department for Energy and Mining (SA), Australia; 2: Department for Environment and Water (SA), Australia

Mine Water and Rock Engineering – A Winning Partnership in Cave Mining

Grace Yungwirth¹, Sofia Nazaruk¹, Hannah Redfern¹, Thomas Booth¹, Jessica Cammack¹, Givarn Singh¹, Martha Buckwalter-Davis¹, Gareth Digges La Touche¹, Ryan Sweetman¹, James Smith², Robert Bewick²

1: WSP UK Ltd., United Kingdom; 2: WSP Canada Inc., Canada

Advances in mine dewatering design and monitoring at Tharisa chrome mine Rustenburg South Africa

Mark Roebert¹, Nathi Mntungwa¹, Moses Msitsini², Kym Lesley Morton²

1: Tharisa Minerals, South Africa; 2: KLM Consulting Services, South Africa

Optimization of Prediction-Driven Monitoring Programs

Rui Hugman, Cecile Coulon, Johanna Zwinger, Eduardo de Sousa

INTERA, Portugal

The legacy of hard coal mining revealed by isotopic fingerprinting of mine waters, Ruhr Area, Germany

Barbara M.A. Teichert¹, Henning Jasnowski-Peters¹, Simon E. Nikutta¹, Harald Strauss², Stefan Schlömer³, Sebastian Westermann¹

1: Research Center of Post-Mining, Technische Hochschule Georg Agricola University, Herner Str. 45, Bochum, Germany; 2: University Münster, Institute for Geology and Paleontology, Corrensstr. 24, Münster, Germany; 3: Federal Institute for Geosciences and Natural Resources, Stilleweg 2, Hanover, Germany

Geochemical modelling of sulfur cycling processes during mine water rebound in former hard coal mines of the Ruhr and Saar region, Germany

Simon E. Nikutta¹, Barbara M. A. Teichert¹, Henning Jasnowski-Peters¹, Harald Strauss², Sebastian Westermann¹

1: Research Center of Post-Mining (FZN), Technische Hochschule Georg Agricola (THGA), 44787 Bochum, Germany; 2: Institute for Geology and Paleontology, University Münster, 48149 Münster, Germany

Preliminary analysis of stable water isotope patterns in the Lusatian lignite mining district (Germany)

Anne Gädeke, Maike Gröschke, Paul Koeniger

Federal Institute for Geosciences and Natural Resources, Germany

Heterogeneous Oxidation and Hydrogeochemical Numerical Simulation in a Uranium Waste Rock Pile

Carolina Bittencourt de Abreu, Mariana Werle, Karen Ninanya, Rafael Albuquerque

Water Services & Technologies, Brazil

🎓 Reactive Barriers for Mine Waters Treatment: an Approach using Alternative and Nature-Based Materials

Roberto Pereira da Silva^1,2, Rita Maria Ferreira Fonseca^1,2,3, Joana Fonseca Araújo^1,2, Joanna Gmitrowicz-Iwan⁴

1: AmbiTerra Laboratory, University of Évora, Évora, Portugal.; 2: Institute of Earth Sciences, Évora Pole, Évora, Portugal.; 3: Dep. Geosciences, School of Sciences and Technology, University of Évora, Évora, Portugal.; 4: Institute of Soil Science, Environmental Engineering and Management, University of Life Sciences, Lublin, Poland

🎓 Preliminary Leaching Performance of Slag-Blended Cement for the Stabilization of Pyrite-Bearing Waste Rock

Norberto Jr Aquino, Dantie Butar Butar, Kyriaki Papadopoulou, Andrzej Cwirzen, Lena Alakangas

Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, SE-971 87 Luleå, Sweden

Groundwater and surface water quality around an existing mine: From current conditions to mine closure

Rodrigo Jr Embile¹, Ingar Walder²

1: DHI Sweden - Mining Group; 2: Kjeoy Research and Education Center

Water Geochemistry in the Former Hg-Mining Area of Abbadia San Salvatore (Central Italy): a Review

Orlando Vaselli^1,2, Federica Meloni^1,2, Barbara Nisi², Jacopo Cabassi², Francesco Bianchi³, Giordano Montegrossi², Daniele Rappuoli^4,5

1: Department of Earth Sciences - University of Florence, Italy; 2: CNR-Institute of Geosciences and Earth Resources - Florence, Italy; 3: S.B.C. Geologi Associati - Florence, Italy; 4: Unione dei Comuni Amiata Val d'Orcia, Piancastagnaio, Siena, Italy; 5: Parco Museo Minerario di Abbadia San Salvatore, Abbadia San Salvatore, Siena, Italy

Is the water balance for your waste rock pile reliable? A framework for improving assessment of water inputs and outputs for a typical storage facility

Craig Thompson, Randi Thompson, Willy Zawadzki

BGC Engineering Inc, Canada

🎓 Post-mining water-soil interaction in Au-mine area: Piedmont region (NW Italy) case studies

Linda Zaniboni¹, Giovanna Antonella Dino¹, Manuela Lasagna¹, Isabel Margarida Horta Ribeiro Antunes², Domenico Antonio De Luca¹

1: University of Turin, Italy; 2: ICT | University of Minho, Portugal

Forty years of evolution of groundwater flow and solute transport modelling at and near mine sites

Lloyd Richard Townley^1,2

1: GW-SW Pty Ltd, Australia; 2: Nanjing Tech University, China

A Hydrogeochemist’s Mindful Toolkit: Conceptualization, Characterization, and Modeling of Mine Sites Producing Acid Mine Drainage

Darrell Kirk Nordstrom

National Institute of Standards and Technology, United States of America

Settling Characteristics and Physic-Geochemical Stability of Fly Ash for Acid Mine Drainage Neutralization in Pit Lakes: A Laboratory-Scale Study

Ginting Jalu Kusuma, Dian Febriana, Sendy Dwiki, Abie Badhurahman, Salmawati Salmawati, IK Dwika Paramananda, Rudy Sayoga Gautama

Institut Teknologi Bandung, Indonesia

Flow and water quality observations from three mine rock lysimeters constructed at a coal mine in north-eastern British Columbia, Canada

Colin Fraser, Justin Stockwell

Lorax Environmental Services Limited, Canada

Proposing a design and planning method for mine and tunnel drainages

Juan Pablo Hurtado-Cruz

Universidad de Santiago de Chile, Chile

Integrated 3D Laser Scanning Implementation for Monitoring Tailings Dams

Patricio Ignacio Monreal, Maria José Cabrera, Rainier Ramirez

Maptek Computación Chile Ltda., Chile

Hydrogeological investigation and mine design to prevent the mining impact of the future exploitation of Lithium “Valdeflorez Project” to El Calerizo aquifer (Cáceres, Spain)

Carlos del Olmo², Jesus Montero¹, David Valls³

1: Mining Sense Global, S.L., Spain; 2: Investigaciones Geológicas y Mineras, S.A.; 3: Castilla Mining, S.L.

Methodology for Estimating Hydrogeological Risk for Open Pits

Jose Luis Villa¹, Fernanda Andrade¹, Ignacio Álvarez¹, Martin Brown², Cati Sesmero³

1: Itasca Chile, Chile; 2: Itasca Australia, Australia; 3: Minera Escondida Limitada, Chile

A Novel approach to hydrogeochemical risk assessment based on short-term tests

Francisco Ruiz

Consultoria Geologica, SL (CONGEO), Spain

Pit Lake Prediction Case Study: Managing Insecurity in the Dataset using Bracketed Inputs

Larry Breckenridge¹, Mehgan Blair², Yuliya Subotskaya¹

1: Global Resource Engineering, United States of America; 2: Barr Engineering, United States of America

Water Driven Failure of Large Mine Slopes

Adrian Brown

Adrian Brown Consultants, Inc., United States of America

Estimation of Drainage Composition Sourced from Lime-Iron Ore Tailings Mixture in Dry Stack Deposit: Laboratory Testing and Numerical Modeling

Mariana Werle¹, Eduardo Costa¹, Thais Marteleto¹, Carolina Bittencourt de Abreu¹, Rafael Albuquerque¹, Lara Lange¹, Maria Luiza Silva Ramos², Ana Caroline Cambraia Trindade², Maria Isabel Pereira Teodoro², Lorena Guimarães³, Ruberlan Silva³, Rogerio Kwitko³

1: Water Services & Technologies, Belo Horizonte, MG, Brazil; 2: Vale S/A, Belo Horizonte, MG, Brazil; 3: Vale S/A (CDM), Belo Horizonte, MG, Brazil

Management of total system uncertainty in mine water

Kalman Benedek

Itasca Australia Pty Ltd, Australia

🎓 New insights at the molecular level: the impact of DOM on antimony migration and enrichment in water environments of antimony mining areas

Wanyu Li, Jianwei Zhou, Xingjie Wang, Chenxin Feng, Haibo Feng, Weiqing Zhou

China University of Geosciences, China, People's Republic of China

🎓 Response mechanism of antimony to sulfate in soil-water system of Xikuangshan mining area in Hunan Province

Chenxin Feng¹, Jianwei Zhou¹, Xingjie Wang², Peng Liu¹, Wanyu Li¹, Xueyan Pang¹

1: China University of Geosciences, China, People's Republic of; 2: The Institute of Geological Survey of China University of Geosciences , China, People's Republic of

The use of geomorphology as the basis of mining closure: a case study of Waste Rock Facility rehabilitation at the Santa Bárbara mine (Perú)

Alfredo Gallardo¹, Juan Del Río¹, John Melgarejo²

1: Amphos21 Consulting Peru SAC; 2: Compañía de Minas Buenaventura SAA

The role of colloidal and particulate fractions in REEs enrichments in coal-based acid mine drainage systems

Liliana Lefticariu¹, Rayn L. Bowman¹, Madeline Lewinski¹, Jerome Specht¹, Paul T. Behum²

1: School of Earth Systems and Sustainability, Southern Illinois University, Carbondale, 62901 USA; 2: Office of Surface Mining Reclamation and Enforcement, Alton, Alton, IL 62002 USA

Innovative Circular Economy Approach for Recovering Valuable Metals from Acid Mine Drainage and Sulphuric Acid from Mining Waste

Bárbara Ahumada-Vargas¹, Lidia Fernandez-Rojo¹, Ana Guedes¹, Eric Vilanova¹, Carlos Echevarría¹, Tamara Martínez-Santos², Manuel Sevilla²

1: Cetaqua, Centro Tecnológico del Agua, Spain; 2: Tharsis Mining, Tharsis, Spain

🎓 Multi-Scale Characterization of Mine Waste in a Circular Economy: Challenges and Opportunities

Hernan Flores^1,2, Tobias Rudolph¹, Jörg Benndorf²

1: Research Center of Post-Mining (FZN), Technische Hochschule Georg Agricola (THGA), Herner Straße 45, 44787 Bochum, Germany; 2: Department of Mine Surveying and Geodesy, TU Bergakademie Freiberg (TUBAF), Fucksmühleweg 9B, 09599 Freiberg, Germany

Enhancing Ammonia Nitrogen Removal from Saline Mining Effluents: A Hybrid Approach with Ozone Microbubbles and Precipitation

Maher Mzoughi¹, Mehrez Hermassi¹, Étienne Bélanger¹, Thomas Genty¹, Catherine N. Mulligan², Carmen M. Neculita¹

1: Research Institute on Mines and Environment (RIME), University of Québec in Abitibi-Témiscamingue (UQAT), Canada; 2: Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G 1M8, Canada

Treatment of AMD liming sludge for metals recovery and mining site rehabilitation

Jerome Jacob, Douglas Pino Herrera, Emmanuelle Plat

BRGM, France

Screening-level economic evaluation of Critical and Strategic Raw Materials stored in Iberian Pyrite Belt pit lakes, Spain

Devin Castendyk¹, Skyler Sorsby¹, Javier Sanchez Espana²

1: WSP USA, United States of America; 2: Center for AstroBiology (CSIC-INTA), Spain

Re-Mining of mine water sludges in Germany. An opportunity?

Bastian Reker, Sebastian Westermann

Technische Hochschule Georg Agricola, Germany

🎓 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