Paste 2025

27th International Conference on Paste, Thickened and Filtered Tailings
8–10 April 2025 | Swakopmund, Namibia


Information and deadlines for authors and speakers.


Sponsorship opportunities are available for this event.


Information and registration for event attendees.

It has been more than five years since a Paste conference was held in Africa and we are delighted Paste 2025 shall be held in Namibia. Stay tuned for date advice.

This ACG conference series is more than two decades old and much has changed during this time, in particular more recently with the series of prominent failures and repercussions that continue from these. Notably, the benefits of dewatering options such as paste, thickened and filtered tailings. The relevance of these deposition techniques to reducing risk is also reflected by the ongoing support of this international conference series by the tailings and greater mining industries. Join us to hear about innovation, performance, economics, and operating cases.

Collaborating Organisation

Conference Themes

  • Thickening and filtration
  • Rheology
  • Emerging issues and technology
  • Case studies
  • Surface disposal
  • Transportation
  • Instrumentation and monitoring of tailings
  • Underground and backfill


Click here to view the event brochure

ACG Online Repository of Conference Proceedings

There is a range of papers from previous Paste conferences that are freely available to download from the Online Repository of Conference Proceedings.

mXrap’s Paste Backfill Design app is designed to help engineers to do the following:

  • Calculate paste fill volumes and bund capacities.
  • Assess the fill stresses and stability for vertical and horizontal exposures.
  • Analyse UCS test results and fit a strength prediction model.
  • Assess the pressure and friction profile of the paste reticulation path.

Click here to learn more.

On the horizon…

Comprehensive Handbook on Mine Fill


Co-editors Professor Yves Potvin and Dr Ryan Veenstra, together with worldwide mine fill experts, are writing a new and comprehensive technical publication to examine the evolution of mine fill practice over the last two decades. This handbook seeks to advance the safe, efficient and economic application of fill within the mining community.


This comprehensive publication will explore both the theoretical and practical aspects of mine fill application with a range of examples covering:

Mine Fill Within the Mining and Tailings Life Cycle


Professor Yves Potvin
Professor of Mining Geomechanics
Australian Centre for Geomechanics

Dr Ryan Veenstra
Global Backfill Specialist

  • Mine fill constitutive materials
  • Classification and dewatering of tailings
  • Fluid mechanics of mine fill
  • Geomechanics of mine fill
  • Mine fill placement and risk mitigation
  • Mine fill management
  • Mine fill exposure stability
  • Cemented rockfill systems
  • Hydraulic fill systems
  • Cemented paste mine fill systems
  • Underground distribution systems
  • Early age behaviour of hydraulic and paste fill and their containment

This publication will be a valuable reference for mining practitioners, early career geotechnical engineers, operating and regulatory professionals, consultants, academics, researchers and other mine fill peers.

Call for publication sponsorship. Email for the sponsorship prospectus.