Research » Waste Treatment and Primary Metallurgy

The primary production of metals is usually accompanied by by-product residues. These residue streams are a potential problem due to environmental concerns. Contained in these residues are valuable metals in lower grades than the primary production source.  The IME is seeking means to exploit these vast secondary resources for value reclamation through development of innovative processes.
The focus areas include and are not limited to the following: slag cleaning for recovery of precious metals, landfill mining to recover metals and plastics, red mud processing for recovery of high value metals such as Sc and Ga. Inertization of slags is another large research focus. Metallurgical slags can be modified so that they may be used e.g. as cement additives or as road building materials. This “zero-waste” approach contributes enormously to a sustainable metal production, which is actively propagated by IME in R&D projects and teaching.
The processing of these materials at IME is predominantly undertaken by pyrometallurgical means. The facilities at IME for processing of the aforementioned resources comprise laboratory scale and demonstration scale furnaces and converters. Activities within IME in this area include thermochemical process modelling, high temperature experiments to validate the theoretical basis.

Project List


Publications

YearPublications
2025
congress or congress paper
European Metallurgical Conference 2025
Fiona Pickart, Robert Alheid, Frank Bender, Bernd Friedrich
2025
congress or congress paper
European Metallurgical Conference 2025
2025
congress or congress paper
European Metallurgical Conference 2025
2025
article in scientific journal
Waste Management 211 (2026), https://doi.org/10.1016/j.wasman.2025.115283
Dominic Dittmer, Abdur-Rahman Ali, Mahya Nezhadfard, Neill Bartie, Fabian Diaz, Steffen Blömeke, Daniel Schröder, Christoph Herrmann, Bernd Friedrich
2025
congress or congress paper
International Scientific and Professional Conference Politehnika 2025, Belgrade, Serbia
Srecko Stopic, Zixi Gao, Hanwen Chung, Bernd Friedrich, Mulbah Forkpayea, Dusko Kostic, Nenad Nikolic, Vladimir Damjanovic, Dragana Zivotic
2025
article in scientific journal
Materials 2025, 18, 5497. https://doi.org/10.3390/ ma18245497
2025
article in scientific journal
Metals 2025, 15, 1262. https://doi.org/10.3390/ met15111262
2025
book chapter
www.mdpi.com/books/reprint/11729
Srecko Stopic, Jasminka Alijagić
2025
article in scientific journal
The Role of Silicon During Solidification Process of Cast Al-Si-Mg Alloys. Materials 2025, 18, 5033. https://doi.org/10.3390/ ma18215033
Aleksandra Pataric, Mile Djurdjevic, Srecko Manasijevic, Srecko Stopic, Marija Mihailovic
2025
article in scientific journal
Engineered Artificial Minerals (EnAMs): Concept, Design Strategies, and Case Studies. Minerals 2025, 15, 1129. https:// doi.org/10.3390/min15111129
Wensheng Han, Joao Weiss, Xiang Lu, Daniel Munchen, Chuling Jiang, Hugo Lucas, Mengjie Ran, Wen Chen, Bernd Friedrich
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