A new industry collaboration between BHP and Rio Tinto is advancing efforts to improve the sustainability and safety of tailings management in the mining sector.
The two companies have established a Tailings Management Consortium to develop and promote solutions aimed at enhancing tailings dewatering processes and reducing the environmental and safety risks associated with tailings storage facilities.
Tailings, the byproducts of mining operations, are typically stored in large facilities that can pose long-term environmental and structural risks if not properly managed.
Improving dewatering techniques, which remove water from tailings before storage, is increasingly seen as a critical step in reducing these risks.
The consortium’s work focuses on advancing filtered tailings systems, which enable drier and more stable storage methods compared to conventional slurry-based approaches.
The initiative reflects a broader industry push to adopt safer and more sustainable practices following heightened scrutiny of tailings storage facilities globally.
By pooling expertise and resources, BHP and Rio Tinto aim to accelerate innovation and establish practical frameworks that can be adopted across the mining industry.
As part of this effort, the consortium has released two technical publications designed to support industry practitioners and project teams.
These documents provide guidance and insights to improve the design, evaluation and implementation of filtered tailings systems.
The first publication, titled Filtered Stacked Tailings: A Guide for Study Managers, is intended for project study managers assessing filtered tailings options.
It outlines a structured methodology for conducting studies, incorporating practical lessons learned from previous projects.
The guide also highlights key considerations that can influence project outcomes, helping teams to make more informed decisions during early-stage evaluations.
The second publication, Unlocking Large Tonnage Filtered Tailings Stacks: A Geotechnical Perspective, presents a forward-looking framework for scaling up filtered tailings systems.
The white paper examines the geotechnical challenges associated with large-tonnage filtered stacks and identifies knowledge gaps that need to be addressed to enable wider adoption.
It also proposes new approaches to compaction and density management, which are critical factors in ensuring the structural integrity and long-term performance of tailings storage facilities.
The consortium has indicated that improving filtered tailings technology could significantly reduce both capital and operating costs while enhancing safety outcomes.
This combination of economic and environmental benefits positions filtered tailings as a potentially transformative approach within the sector.
In addition to publishing these resources, the consortium has expressed a commitment to sharing knowledge and collaborating with industry stakeholders.
By making its findings publicly available, the group aims to support broader capability building and encourage consistent standards in tailings management practices.
The initiative highlights a growing emphasis on transparency and collective action in addressing complex environmental challenges in mining.
Ongoing feedback from industry participants is expected to play a key role in refining methodologies and driving continuous improvement in tailings management approaches.
