Conference Agenda

Overview and details of the sessions of this Conference. Please select a date or location to show only sessions at that day or location. Please select a single session for a detailed view (with abstracts and downloads if available).
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Please note that all times are shown in the time zone of the conference. The current conference time is: 2nd Dec 2022, 06:24:19pm NZDT

 
 
Session Overview
Date: Sunday, 06/Nov/2022
9:00am
-
5:00pm
Short Course 1: Nordstrom
Location: Crowne Plaza
Chair: Darrell Kirk Nordstrom
https://imwa2022.info/conference/short-courses/short-course-1/
5:00pm
-
7:00pm
Ice Breaker Party sponsored by Federation Mining
Location: Christchurch Town Hall: Reception Area Limes
Date: Monday, 07/Nov/2022
8:30am
-
10:05am
IMWA 2022 Reconnect Opening
Location: Christchurch Town Hall: Room Avon
Chair: James Pope
 
8:30am - 8:40am

Cultural Welcome

Dave Brennan

Ngāi Tūāhuriri, New Zealand



8:40am - 8:50am

Welcome & Introduction

James Pope

Verum Group Ltd, New Zealand



8:50am - 8:55am

IMWA Presidents Address

Christian Wolkersdorfer

Tshwane University of Technology (TUT), South Africa



8:55am - 9:05am

New Zealand Minerals Sector Perspectives

Josie Vidal

Straterra, New Zealand



9:05am - 9:35am

Proactively Investing in the Technical Fundamentals That Underpin Corporate Water Stewardship Commitments

Blair Robert Douglas

BHP, Australia



9:35am - 10:05am

Legacy Mine Cleanup - a Ministry for Environment Perspective

Bruce Croucher

Ministry for the Environment, New Zealand

10:05am
-
10:40am
Morning tea
Location: Christchurch Town Hall: Reception Area Limes
10:40am
-
12:00pm
Mining Legacy
Location: Christchurch Town Hall: Room Avon
Chair: Bruce Croucher
 

🎓 Using Tracer Injection and Synoptic Sampling, and Salt Dilution Flow to Gauge Metal Fluxes in a Temperate Watershed in the UK

Aaron Martin Lawrence Todd1, Iain Robertson1, Rory P.D. Walsh1, Patrick Byrne2, Paul Edwards3, Tom Williams3

1: Department of Geography, Swansea University, Swansea SA2 8PP UK; 2: School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 3AF UK; 3: Natural Resources Wales, 29 Newport Road, Cardiff CF24 0TP, UK



A River System Approach to Mine Water Mitigation and Management

Peter Clive Stanley1, Peter Thorn2, Tom Williams1, Louise Siddorn1, Dave Cooke2

1: Natural Resources Wales, United Kingdom; 2: The Coal Authority, United Kingdom



Ground Deformations Observed for Three Decades (1992-2022) above Old and Deep Coal Mines Reused for Deep Gas Storage Sites (Wallonia, Belgium) Using PS-InSAR Time-series

Xavier Devleeschouwer1, Atefe Choopani1,2, Pierre-Yves Declercq1

1: Royal Belgian Institute of Natural Sciences, Belgium; 2: University of Liège, Belgium



Determining Baseline Groundwater Chemistry at a Century-Old Mine

Andy Davis1, Maggy Lengke1, Michelle Rose2, Jennifer Lane2, Dennis Hosack2

1: Geomega, United States of America; 2: Nevada Gold Mines, United States of America

Geochemistry
Location: Christchurch Town Hall: Room Victoria
Chair: Devin Sapsford
 

Quantifying Mineral Precipitation Processes during Dilution, Mixing, and Neutralization of Acid Rock Drainage

D. Kirk Nordstrom, Kate M. Campbell, Charles N. Alpers

USGS, United States of America



Evaluation Of The Changes In Mine Water Quality In The Witwatersrand Basin: Basis For Proactive Long-term Solution

Godfrey Madzivire1,2, Lufuno Ligavha-Mbelengwa1,3, Pamela Nolakana1, Henk Coetzee1

1: Council for Geoscience, South Africa, Water and Environment Unit, 280 Pretoria Street, Silverton, Pretoria, South Africa; 2: Department of Environmental Science, University of South Africa, Roodepoort, Johannesburg, South Africa; 3: University of the Free State, Institute for Groundwater Studies, 205 Nelson Mandela Drive, Bloemfontein



🎓 Geochemical Characterisation of the Witbank Coalfield Geological Strata and Assessment of Potential Metal Impact on the Receiving Environment

Khashane Robert Tshishonga Netshitungulwana1, Christoph Gauert2, Danie Vermeulen3, Bisrat Yibas3, Mateo Shai4, Rudzani Lusunzi1

1: Council for Geoscience, South Africa; 2: Geological Survey of Saxony-Anhalt, Germany; 3: University of the Free State, South Africa; 4: Obusitse Secondary School, South Africa



Insights into the First Flush Effect – The Flooded Underground Mine as a Chemical Reactor

Elke Mugova1, Christian Wolkersdorfer2

1: TU Bergakadmie Freiberg, Germany; 2: Tshwane University of Technology, South Africa

12:00pm
-
1:00pm
Lunch
Location: Christchurch Town Hall: Reception Area Limes
1:00pm
-
2:40pm
Geochemistry
Location: Christchurch Town Hall: Room Avon
Chair: Darrell Kirk Nordstrom
 

Oxidation Modelling to Optimise Waste Rock Storage

Tim Mulliner1, Christine McLachlan2

1: GHD, New Zealand; 2: Bathurst Resources, New Zealand



Final Flooding of the Königstein Uranium Mine - Supporting Activities and Implications for Monitoring

Nadja Schmidt, Sven Eulenberger, Ulf Jenk

Wismut GmbH, Germany



Phalaborwa Complex: from Rock Drainage Characterization to Waste Revalorization

Alba Gómez-Arias1,2, Lola Yesares3, Julio Castillo4, Danie Vermeulen5, Walter Purcell1

1: Chemistry Department, University of the Free State, South Africa; 2: Centre for Mineral biogeochemistry, University of the Free State, South Africa; 3: Mineralogy and Petrology Department, Complutense University of Madrid, Spain; 4: Microbiology and biochemistry Department, University of the Free State, South Africa; 5: Institute for Groundwater Studies, University of the Free State, South Africa



Circular Economy Potential of Widescale Implementation of Sodium Carbonate Dosing for Circumneutral Zinc-rich Mine Water in Wales

Julia Kennedy

Cardiff University, United Kingdom

Tailings and Pit Lakes
Location: Christchurch Town Hall: Room Victoria
Chair: Russell Staines
 

Inhibition of Methanogenesis through Redox Processes in Oil Sands Tailings

Alsu Kuznetsova, Iram Afzal, Navreet Suri, Petr Kuznetsov, Tariq Siddique

University of Alberta, Canada



Geochemistry of Tailings Storage, Management and Monitoring at Waihi Mine – 35 Years of Operational Best Practise.

James Pope1, Mark Burroughs2

1: Verum Group Ltd, New Zealand; 2: OceanaGold, New Zealand



Dewatering of a Tailings Storage Facility: Key Aspects in the Design and Operation

Eduardo Ruiz1, Lizardo Huamaní1, Jairo Paucar1, Julio Larota1, Luis Meza2, Rocío Narciso2, Carlos Jimenez2

1: Amphos 21 Consulting Peru, Peru; 2: Minsur, Peru



Enhanced Passive Treatment of Sulfate and Nitrate Enriched Mine Water: Laboratory Optimisation Experiments

Hana Kirsten Christenson1, Rachel Skews1, Dave Trumm1, James Pope1, Nigel Newman1, Gavin Lee2, Duncan Ross2, Charlotte Boyt2

1: Verum Group Ltd, 97 Nazareth Ave, Christchurch, New Zealand; 2: OceanaGold (NewZealand) Ltd, Golden Point Rd, Macraes Flat, New Zealand.



What Mineralogical Phases can Reasonably be Invoked in Geochemical Modeling of Pit Lakes?

Andy Davis, Charles Whitehead, Maggy Lengke

Geomega, United States of America

2:40pm
-
3:20pm
Afternoon tea
Location: Christchurch Town Hall: Reception Area Limes
3:20pm
-
5:00pm
Rehabilitation and Waste Rock
Location: Christchurch Town Hall: Room Avon
Chair: Robyn Catherine Simcock
 

Rehabilitation of Extreme Chemical Substrates on Mine Sites Without Soil in a Semiarid Climate, New Zealand

David Craw, Cathy Rufaut, Dhana Pillai, Gemma Kerr

University of Otago, New Zealand



The Macraes Gold Mine Irrigation Project, New Zealand

Cathy Rufaut1, David Craw1, Erin Weightman1, Dhana Pillai1, Gavin Lee2

1: University of Otago, New Zealand; 2: Oceana Gold Ltd, New Zealand



Mediating Risk of Acid Generation - The Roles of Vegetation Direct Transfer

Robyn Simcock

Landcare Research, New Zealand



Determination of acid producing potential using pXRF: A case study from Cypress Mine, Stockton Plateau

Christine Jane McLachlan, Barry Walker

Bathurst Resources, New Zealand



Acid-base Accounting Tests in Combination with Humidity Cells Help Predict Waste Rock Reactivity

Andy Davis, Charles Whitehead, Maggy Lengke, Jerritt Collord

Geomega, United States of America

Climate Change
Location: Christchurch Town Hall: Room Victoria
Chair: Tim Saxby
 

Central Region Water Resilience Project - Sustaining production in a changing climate

Tim Saxby, Sarah Buckley

BHP, Australia



Nordic Experiences in Climate Change Analysis in Modelling Mining Area Environmental Impacts

Kirsi-Marja Haanpää1, Päivi Picken1, Hannu Lauri1, Anneli Wichmann1, Linus Lejon Isaksson2

1: AFRY Finland; 2: AFRY Sweden



Development of a Streamflow Model Incorporating Stochastic Daily Climate, Climate Change, and El Niño La Niña Effects

David Pieter Hoekstra1, Victor Munoz Saavedra2, Carolina Milad3

1: SRK Consulting (US) Inc.; 2: SRK Consulting (Canada) Inc.; 3: SRK Consulting (Chile) Spa.



Rehabilitation of the Lusatian Water Balance, in Consideration of Climate Change and the End of Lignite Mining

Oliver Totsche, Katja Kunze

Lausitzer und Mitteldeutsche Bergbau-Verwaltungsgesellschaft, Germany



Climate Change Adaptation in BHP’s Queensland Mine Water Planning and Hydrologic Designs

Weixi {James} Zhan1, Rory J. Nathan2, Sarah Buckley1, Alan G. Hocking1

1: BHP, Australia; 2: University of Melbourne, Australia

5:00pm
-
7:00pm
Sponsor Drinks
Location: Christchurch Town Hall: Reception Area Limes
Date: Tuesday, 08/Nov/2022
8:00am
-
10:10am
Plenary
Location: Christchurch Town Hall: Room Avon
Chair: Paul Weber
 

Snowy River Mine Project

Simon Delander

Federation Mining, Australia



The BHP Global Approach to Mined Materials Management

Russell Staines

BHP, Australia



Mine Water Management at Stockton Coal Mine

Barry Walker

Bathurst Resources Ltd, New Zealand



INAP Projects Update

Gilles Tremblay

INAP, Canada

10:10am
-
10:40am
Morning tea
Location: Christchurch Town Hall: Reception Area Limes
10:40am
-
12:20pm
Hydrogeology
Location: Christchurch Town Hall: Room Avon
Chair: Richard Little
 

Post-Mining Hydrogeology of Underground Collieries – Effects of Hanging Wall Subsidence

Altus Huisamen, John Edward Glendinning

Jones & Wagener, South Africa



🎓 The Conundrum of Incongruent Multiple Age Tracer Results in Mine Water

Devmi Kurukulasuriya1, William Howcroft1, Karina Meredith2, Wendy Timms1

1: Deakin University, Australia; 2: Australian Nuclear Science and Technology Organisation, Institute for Environmental Research, Lucas Heights, NSW 2232, Australia



Ground Deformations Related to an Old Drainage Adit in The Abandoned Coal Concession Around Saint-Vaast (Wallonia, Belgium) Analyzed Using PS-InSAR and Piezometric Wells Time Series

Atefe Choopani1,2, Benedicta Ronchi3, Pierre-Yves Declercq1, Xavier Devleeschouwer1

1: Department of Geological Survey of Belgium, Royal Belgium Institute of Natural Sciences, Brussels, Belgium; 2: Hydrogeology & Environmental Geology, Urban and Environmental Engineering Unit, University of Liège, Liège, Belgium; 3: Subsoil Risks Unit, Institut Scientifique de Service Public (ISSeP), Liège, Belgium,



Estimation of Mine Water Ingress Volumes for the Witwatersrand Goldfields

Henk Coetzee, Patrick Cole, Sealelo Ramugondo

Council for Geoscience, South Africa



Dewatering Experience at the Waihi Gold Mine - Lessons Learnt from 140 years of Mining an Epithermal Vein System

Christopher Kidd1, Chris Simpson2, Wayne Russell2, Mark Burroughs3

1: Chris Kidd and Associates, Australia; 2: GWS Limited, New Zealand; 3: OceanaGold, New Zealand

Water Treatment
Location: Christchurch Town Hall: Room Victoria
Chair: Dave Trumm
 

A Holistic Approach to Water and Salt Management in Mining : Biological Treatment Solution to Allow Direct Discharge of Excess Water Instead of Brine Production Through Reverse Osmosis treatment

Caroline Jane Dale, Henri Jogand

Veolia Environment, France



Evaluating Manganese in Mine Water in UK Coal Authority Mine Water Schemes

Selina Mary Bamforth, Christopher Satterley

The Coal Authority, United Kingdom



Effective Attenuation of AMD Pollution Potential Using By-product from Municipal Wastewater Treatment

Elvis Fosso-Kankeu1, Vhahangwele Masindi2,3, Johannes Maree4, Bhekie Mamba5, Thabo Nkambule5

1: University of South Africa, South Africa; 2: University of South Africa, South Africa; 3: University of Limpopo; 4: University of South Africa, South Africa; 5: University of South Africa, South Africa



Neutralisation and Attenuation of Inorganic Contaminants from Acid Mine Drainage using the Clay Based-Nanocomposite

Matome Mothetha1,2, Titus Msagati3, Vhahangwele Masindi2,4, Kefeni Kebede2

1: Research and Committees unit, Legislature Department, City of Ekurhuleni; 2: Department of Environmental Sciences, College of Agriculture and Environmental Sciences, University of South Africa (UNISA); 3: Institute of Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of the South Africa; 4: Magalies Water (MW), Scientific Services (SS), Research & Development (R&D) Division



Predictive Water Balance and Mass Load Modelling for Mine Water Through a Passive Treatment System

Jeff Tuck1, Stephanie Hayton2, Sioban Hartwell1

1: GHD, New Zealand; 2: OceanaGold, New Zealand

12:20pm
-
1:00pm
Lunch
Location: Christchurch Town Hall: Reception Area Limes
1:00pm
-
2:40pm
Poster Plenary
Location: Christchurch Town Hall: Reception Area Limes
 

Potential Use Of Emerging Organic Contaminants As Pollution Source Tracers

Lufuno Ligavha-Mbelengwa1,2, Godfrey Madzivire1,3, Pamela Nolakana1, Henk Coetzee1, Modreck Gomo2

1: Council for Geoscience, South Africa; 2: University of the Free State, Institute for Groundwater Studies, South Africa; 3: University of South Africa, Department of Environmental Science, South Africa



Rapid Removal of Cr(VI) from Aqueous Solution Using Polycationic/di-metallic Adsorbent Synthesized Using Fe3+/Al3+ Recovered from Real Acid Mine Drainage

Khathutshelo Lilith Muedi1, Vhahangwele Masindi2,3, Jannie Maree4, Hendrik Gideon Brink1

1: University of Pretoria, South Africa; 2: Magalies Water; 3: University of South Africa (UNISA); 4: ROC Water Technologies



Subaqueous Capping Of Oil Sands Tailings In End-Pit Lakes

Petr V. Kuznetsov, Ania C. Ulrich

University of Alberta, Canada



Applicability of Multistep Biological Passive Treatment for AMD Containing Iron, Zinc and Copper in Japan: A Full-Scale Case Study

Yusei Masaki, Tsubasa Washio, Kana Hagihara, Takaya Hamai, Kengo Horiuchi, Taro Kamiya, Kosuke Takamoto, Nobuyuki Masuda, Naoki Sato

Japan Oil, Gas and Metals National Corporation



Granitic Rocks Exposed Around Abandoned Tin Mines in Ban Rai Area, Uthai Thani Province, Thailand: Potential of Environmental Impact

Thitiphan Assawincharoenkij, Sirawit Kaewpaluk

Department of Geology, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330 Thailand



Coal Mine Discharge Limits for Conductivity, Sulfate, and Manganese: A Survey across Developed Nations

William Strosnider1, Justin Hugo2, Nicholas Shepherd3, Brandon Holzbauer-Schweitzer3, Pedro Herve-Fernandez4, Christian Wolkersdorfer5, Robert Nairn3

1: University of South Carolina, United States of America; 2: Saint Francis University, United States of America; 3: University of Oklahoma, United States of America; 4: Universidad Austral de Chile, Chile; 5: Tshwane University of Technology, South Africa



Recovery Of Pt And Pd From Aqueous Solutions By N,N-di(trimethoxysilylpropyl)-N'-benzoylthiourea Modified Silica Gel

Malehlogonolo Ramogohlo Rosemary Mphahlele, Izak Aldert Kotzé, Alseno Kagiso Mosai, Hlanganani Tutu

University of the Witwatersrand, South Africa



Presence of Toxic Elements in Ore and Gangue Minerals of an Epithermal Au-Ag Deposit, Central Thailand: Application for Environmental Consideration

Sirawit Kaewpaluk1, Thitiphan Assawincharoenkij1, Christoph Hauzenberger2, Abhisit Salam1

1: Department of Geology, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand; 2: Institute of Earth Sciences - NAWI Graz Geocenter, University of Graz, Universitaetsplatz 2, 8010 Graz, Austria

2:40pm
-
3:20pm
Afternoon tea
Location: Christchurch Town Hall: Reception Area Limes
3:20pm
-
5:00pm
Closure
Location: Christchurch Town Hall: Room Avon
Chair: Jo Cavanagh
 

Integrated and Sustainable Mine Water Management Solution for Witwatersrand Gold Fields

Viswanath Ravi Kumar Vadapalli1, Henk Coetzee1, Sisanda Gcasamba1, Koena Ramasenya1, Thakane Ntholi1, Sammy Nyale1, Ethel Sinthumule2, Molefe Morokane2

1: Council for Geoscience,Pretoria 0001, South Africa; 2: Department of Mineral Resources and Energy, Pretoria 0001, South Africa



The New Zealand Mine Environmental Lifecycle Guide Series

Jo Cavanagh1, James Pope2

1: Manaaki-Whenua, New Zealand; 2: VerumGroup, New Zealand



Evaluation Of The Water Quality Impacts Associated With Relaxation Of Environmental Critical Levels: A Case Study In The West Rand Basin, South Africa

Pamela Nolakana1, Lufuno Ligavha-Mbelengwa1,2, Godfrey Madzivire1,3, Henk Coetzee1

1: Council for Geoscience, South Africa; 2: University of the Free State, Institute for Groundwater Studies, South Africa; 3: Department of Environmental Science, University of South Africa, South Africa



Post-Mine Underground Closure Aqueous Geochemistry

Andy Davis, Maggy Lengke, Jerritt Collord

Geomega, United States of America



Managing Legacy AMD to Achive Sucessful Mine Closure

Eden Sinclair1, Paul Weber2

1: Bathurst Resources Ltd, New Zealand; 2: Mine Waste Management, New Zealand

Geochemistry
Location: Christchurch Town Hall: Room Victoria
Chair: David Craw
 

🎓 Speciation of Metals in Sediments of the Sabie River System by Sequential Extraction

Rudzani Lusunzi1,2, Frans Wandeers2

1: Council for Geoscience, South Africa; 2: North West University, South Africa



Efficiency of Indigenous and Naturally Occurring Ball Milled Magnesite Neutralization Agent for the Remediation of Acid Mine Drainage Contaminated Sites

Matome Mothetha1,2, Titus Msagati3, Vhahangwele Masindi2,4, Kefeni Kebede3

1: Research and Committees unit, Legislature Department, City of Ekurhuleni, South Africa; 2: Department of Environmental Sciences, College of Agriculture and Environmental Sciences, University of South Africa; 3: Institute of Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of the South Africa,; 4: Magalies Water (MW), Scientific Services (SS), Research & Development (R&D) Division



Dissolution Rates of Arsenic Minerals in Natural and Mining Environments, New Zealand

Gemma Kerr1, David Craw1, James Pope2

1: UNIVERSITY OF OTAGO; 2: Verum Group, New Zealand



Globe Progress Lake – Closure performance monitoring and adaptive management

Leo Navarro1, Stephanie Hayton2, Megan Williams2, Paul Weber1

1: Mine Waste Management, New Zealand; 2: OceanaGold, New Zealand



Modelling The Transport Of Pollutants From Mine Dump And Landfill Sites To Groundwater And Surface Water

Alseno Mosai, Heidi Richards, Hlanganani Tutu

University of the Witwatersrand, South Africa

6:00pm
-
7:30pm
IMWA EC Meeting
Location: Distinction Hotel, In front of Hotel
Date: Wednesday, 09/Nov/2022
8:30am
-
10:10am
Plenary
Location: Christchurch Town Hall: Room Avon
Chair: Hana Kirsten Christenson
 

Critical Decisions for AMD Management

Ros Green1, John Chapman2

1: Rio Tinto, 155 Charlotte St, Brisbane 4000, Australian; 2: SRK Consulting (Australasia) Pty Ltd, Level 5, 200 Mary Street, Brisbane, Queensland, 4000, Australia



More Effective Assessment and Control of Acid Mine Wastes based on Mineralogy

Roger Smart

Blue Minerals Consultancy, Australia



Swimming Upstream or Going with the Flow - a Practitioners View on Challenges and Opportunities for Mining in the 2020's

Gavin James Lee

OceanaGold (NewZealand) Ltd, New Zealand

10:10am
-
10:40am
Morning tea
Location: Christchurch Town Hall: Reception Area Limes
10:40am
-
12:30pm
Hydrogeology
Location: Christchurch Town Hall: Room Avon
Chair: Holger Mansel
 

Recharge Flooding

Eelco Lukas, Danie Vermeulen, Alba Gomez Arias

University of the Free State, South Africa



Investigating the Effects of Temperature on Density Stratification in a flooded Analogue Model Mine

Leshego Esther Molaba, Christian Wolkersdorfer

Tshwane University of Technology, South Africa



Impact of Dewatering of the Planned Lignite Open Pit in Poland on the Water Environment on the Basis of Groundwater Flow Model

Jacek Szczepiński

Poltegor-Institute of Opencast Mining, Poland



Nitrate Dynamics at Mine Sites – Broader Context, Source and Management Considerations

Wijnand Gemson, Terry Harck, Ryan Burgess

Hydrogeochem Group, Australia

Water Treatment
Location: Christchurch Town Hall: Room Victoria
Chair: Jeff Skousen
 

🎓 Metals Removal from Acid Mine Water by Wood-Ash Amended Biochar

Stuart Cairns1, Aaron Martin Lawrence Todd1, Iain Robertson1, Patrick Byrne2

1: Geography Department, Swansea University, SA2 8PP United Kingdom; 2: School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom



Opportunities to Improve Water Quality during Abandoned Mine-Tunnel Reclamation

Katherine Walton-Day1, James Gusek2, Connor Newman1

1: U.S. Geological Survey, Colorado Water Science Center, United States of America; 2: Linkan Engineering



In situ Mine Water Treatment of Flooded Underground Mines Using Waste Concrete: A Feasibility Study

Sisanda Prudence Gcasamba1, K. Ramasenya1, M. Lekgothoane1, S.M. Nyale1, V.R.K. Vadapalli1, G. Madzivire1, Henk Coetzee1, Ethel Sinthumule2, Molefe Morokane2

1: Council for Geoscience, South Africa; 2: 2Department of Mineral Resources and Energy, South Africa



Stockton Coal Mine. Management of AMD Sludge

Jodi Murray, Barry Walker

BT Mining, New Zealand

12:30pm
-
1:00pm
Lunch
Location: Christchurch Town Hall: Reception Area Limes
1:00pm
-
5:00pm
Afternoon Excursions
Location: Christchurch Town Hall: Main Foyer
5:00pm
-
7:00pm
Networking Drinks
Location: Christchurch Town Hall: Reception Area Limes
Date: Thursday, 10/Nov/2022
8:30am
-
10:10am
Plenary
Location: Christchurch Town Hall: Room Avon
Chair: David Craw
 

Discoveries and Development of Passive Treatment Systems

Jeff Skousen1, Robert Kleinmann2, Robert Nairn3, Bob Hedin4, James Gusek5, Thomas Wildeman6

1: West Virginia University, United States of America; 2: HDR, Pittsburgh, PA, USA; 3: University of Oklahoma, USA; 4: Hedin Environmental, Pittsburgh, PA, USA; 5: Linkan, Golden, CO, USA; 6: Colorado School of Mines, Golden, CO, USA



Improving our Understanding of Environmental Stress in Mining Landscapes

Christopher Weisener

University of Windsor, Canada



Geochemistry and Leaching of Selenium from Coal Waste Rock

Andrea Ruth Gerson

Blue Minerals Consultancy, Australia

10:10am
-
10:40am
Morning tea
Location: Christchurch Town Hall: Reception Area Limes
10:40am
-
12:20pm
Methods and Monitoring
Location: Christchurch Town Hall: Room Avon
Chair: Adrian Brown
 

Detection And Measurement Of Dissolved Metals In Mine Water Using Cation-Binding Resins And Field Portable XRF

Daniel Arulraj Abraham, Fei Jin, Ilemona Okeme, Devin Sapsford

School of Engineering, Cardiff University, The Parade, Cardiff CF24 3AA



Developing The Business Case For Responsible Acid And Metalliferous Drainage (AMD) Management

Carolyn Oldham1,2, Ana Catarina Singh1,2, Lisette Kanse1,2, Chantal Bourgault1,2

1: The University of Western Australia, Australia; 2: Cooperative Research Centre for Transformations in Mining Economies



Public Opinion on Mine Water in Three Former German Hard Coal Mining Regions

Stefanie Walter1, Elke Mugova2, Christian Wolkersdorfer3

1: Mittweida University of Applied Sciences, Germany; 2: TU Bergakademie Freiberg, Germany; 3: Tshwane University of Technology, South Africa



Integrating Water Planning into Operational Mine Planning

Ainsley Camille Ferrier, Shane Clauson

Deswik



Recycled Concrete Aggregate for Long-term Passive Treatment of Acidic and Metallic Mine Discharge – The Proof that it Works

Adrian Brown

Adrian Brown Consultants, Inc., United States of America

Management and Treatment
Location: Christchurch Town Hall: Room Victoria
Chair: Christopher Weisener
 

The effectiveness of upgrading the Van Ryn Canal as an option to reduce water ingress into the underground mine workings in the East Rand of the Witwatersrand Basin in Gauteng Province, South Africa

Selaelo Jacquelene Ramugondo, Donald Molapo, Henk Coetzee, Kefyalew Tegegn

Council for Geoscience, South Africa



Application of Pulverized Kaolin Clay for Remediation of Acid Mine Drainage

Matome Mothetha1,2, Titus Msagati3, Vhahangwele Masindi2,4, Kefeni Kebede2

1: Research and Committees unit, Legislature Department, City of Ekurhuleni; 2: Department of Environmental Sciences, College of Agriculture and Environmental Sciences, University of South Africa (UNISA),; 3: Institute of Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of the South Africa; 4: Magalies Water (MW), Scientific Services (SS), Research & Development (R&D) Division,



Passive Treatment For Elevated Iron And Arsenic In Circum-Neutral Mine Affected Water

Stephanie Hayton1,2, Dave Trumm3, Travis Horton1, James Pope3, Duncan Ross2, Megan Williams2

1: University of Canterbury; 2: OceanaGold; 3: Verum Group



Selection and Design of a Full-Scale Vertical Flow Reactor for As and Fe Treatment, Globe Progress Mine, New Zealand

Dave Trumm1, Stephanie Hayton2, William Olds3, Calvin Wu4, Megan Williams2, Jeff Nyenhuis2, James Pope1

1: Verum Group, New Zealand; 2: OceanaGold; 3: Mine Waste Management; 4: Engineering Geology Limited



Passive Treatment Of AMD Using a Full-Scale Upflow Mussel Shell Reactor, Echo Coal Mine, New Zealand

Dave Trumm1, Eamon Moynihan2, Jill Young2, James Pope1

1: Verum Group, New Zealand; 2: New Zealand Coal & Carbon Ltd, New Zealand

12:20pm
-
1:00pm
Lunch
Location: Christchurch Town Hall: Reception Area Limes
1:00pm
-
2:10pm
Plenary
Location: Christchurch Town Hall: Room Avon
Chair: Christian Wolkersdorfer
 

Bacteria-mineral Interactions: a Bacterial View of Mine Water Systems

Gordon George Southam

The University Of Queensland, Australia



The Evolving Nature of Active, Passive, and Semi-Passive Mine Water Treatment Technologies

Bob Kleinmann1, Andre' Sobolewski2, Jeff Skousen3

1: Editor-in-Chief, Mine Water and the Environment; 2: Clear Coast Consulting, Inc., Vancouver, Canada; 3: Div. of Plant and Soil Sciences, West Virginia Univ., Morgantown, WV, USA

2:10pm
-
2:40pm
Afternoon tea
Location: Christchurch Town Hall: Reception Area Limes
2:40pm
-
4:10pm
Closing Plenary
Location: Christchurch Town Hall: Room Avon
Chair: Robert Lawrence Kleinmann
 
2:40pm - 3:10pm

Circular Economy and Mine Water Treatment

Devin Sapsford

Cardiff University, United Kingdom



3:10pm - 3:40pm

Science, Engineering, Regulatory Practice and Sustainability: Some Thoughts

Darrell Kirk Nordstrom

US GS, United States of America



3:40pm - 3:55pm

Student Awards & IMWA Presidents Address

Christian Wolkersdorfer

Tshwane University of Technology (TUT), South Africa



3:55pm - 4:05pm

IMWA 2023 Preview

Peter Clive Stanley

Natural Resources Wales, United Kingdom



4:05pm - 4:10pm

Closing

James Pope

Verum Group Ltd, New Zealand

6:30pm
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11:59pm
Gala Dinner
Location: Art Gallery
Date: Friday, 11/Nov/2022
7:30am Post Conference Field Trip 2
Location: Distinction Hotel, In front of Hotel
Chair: Paul Weber

 
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