Sustainable processing of Europe's low-grade sulphidic and lateritic nickel/cobalt ores and tailings into battery-grade metals

8th International Slag Valorisation Symposium


We are now more than ever aware of the risks which we encounter on this precious planet. As our society is facing several challenges, such as climate change, depletion of resources, global socio-economic and energy crises and human inequality, we realize that action is urgently needed. Through the 2030 Agenda and the 17 Sustainable Development Goals (SDGs), adopted by the 193 Member States of the United Nations, we have a roadmap and strategy to transform our world by 2030. This is the Decade of Action. Although efforts are made around the world to make this transition happen, the progress is not yet at full speed and scale, and we need to take critical steps to tackle current and future challenges. To achieve SDG 12 “sustainable consumption and production patterns”, we should make considerable steps forward in the development of sustainable practices in the metallurgical sector, through, among others, the valorisation of high-temperature residues, such as slags.


The objective of this 8th edition of the International Slag Symposium – Tackling future critical challenges – is to discuss and share the most updated findings in the field of slag and metallurgical residue valorisation, metals recovery, slag’s life cycle analysis, policy for slag valorisation guided by climate neutrality and resource efficiency principles. We invite all researchers and other actors to share their enthusiasm by submitting their works on the following topics:

  • Fundamental studies on liquid and solid slags
  • Hot-stage slag engineering, slag solidification, slag conditioning, internal reuse
  • Slag cleaning and metal recovery
  • Production, properties and performance of slag-based products
  • Process development for sustainable technologies
  • Industrial case studies on slag/residue valorisation
  • Environmental and economic analysis
  • Policy and regulations

The contributions submitted by the participants, together with the lectures from the invited speakers, will enhance discussions and new ideas towards a more sustainable future.

The event is finished.


Apr 18 - 20 2023


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