IME Process Metallurgy and Metal Recycling

Das IME Metallurgische Prozesstechnik und Metallrecycling (Professor Dr.-Ing. Dr. h.c. Bernd Friedrich) beschäftigt sich mit angewandter Forschung und Lehre in den Bereichen der extraktiven Metallurgie (Pyrometallurgie und Hydrometallurgie), der Metallveredelung und Elektrolyse sowie dem Recycling von Metallen aus diversen Abfallströmen. Am IME-RWTH werden Prozesse mit optimiertem Ressourceneinsatz und unter Berücksichtigung kritischer Abfallströme (Kreislaufwirtschaft / Circular Economy) entworfen und weiterentwickelt. Weitere wichtige Forschungsgebiete sind die Vakuummetallurgie im Klein- bis hin zum Demo-Maßstab sowie die Synthese von Nanopulver.

Unser Team

Letzte Publikationen [ siehe alle ]

Year	Publikationen
2005	congress or congress paper Synthesis of particles of Ni- and Co-powders by ultrasonic spray of NiCl2 and Co(NO3)2 and hydrogen reduction pyrolysis In: Proceedings of European Metallurgical Conference, 18. – 21. September 2005, Dresden, Vol. 2, S. 889 – 902. Srecko Stopic, Bernd Friedrich, Gürmen, S.
2005	congress or congress paper Melt Treatment of Aluminium – Ways to a High Tech Material Metall, Jg. 58, Heft 12, 2005, S. 557 – 563 Bernd Friedrich, K. Krone, Christoph Kräutlein
2004	article in scientific journal Kinetics of high pressure leaching of nickel lateritic ore – Silcrete Acta Metallurgica Slovaca, Vol. 10 (2004), No. 2, S. 257-266 Srecko Stopic, Bernd Friedrich, Reinhard Fuchs, Nikola Anastasijevic
2004	congress or congress paper Melt-Treatment of Aluminium – Ways to a High Performance Metal Aluminium 2004, 5. Weltmesse & Kongress, Essen/Germany Bernd Friedrich, Christoph Kräutlein
2004	congress or congress paper Refining of Al-Si-Melts by intermetallic iron precipitation – a phase equilibria investigation Proceedings of EMC 2005 Marina Gnatko, Bernd Friedrich, Alexander Arnold
2004	congress or congress paper Development of a CaO-CaF2-slag system for high rare earth In: Proceedings of VII International Conference on Molten Slags, Fluxes and Salts, The South African Institute of Mining and Metallurgy, 2004, S. 449 – 454 Tobias Müller, Bernd Friedrich
2004	congress or congress paper Treatment of lead and zinc slags in hollow electrode DC-EAF in consideration of calculated phase equilibria and thermodynamics VII International Conference on Molten Slags Fluxes and Salts, S. 377 – 383, The South African Institute of Mining and Metallurgy, Johannesburg 2004 Erik Hecker, Bernd Friedrich, Jörn Böhlke
2004	congress or congress paper Ferromanganese production from spent primary batteries – Feasibility of an EAF process International Congress for Battery Recycling, June 2 – 4 2004, Corno, ltaly, Bernd Friedrich, H. Klammer, Ricardo Sanchez
2004	article in scientific journal IME Metallurgische Prozesstechnik und Metallrecycling der RWTH Aachen Recycling Magazin, Heft 18, 2004, S. 26 – 28. Bernd Friedrich
2004	article in scientific journal Aluminium-Lithium alloy development for thixoforming Zeitschrift für Metallkunde, Jg. 95, Heft 12, 2004, S. 1097 – 1104. Roger Sauermann, Bernd Friedrich, Püttgen, W., Bleck, W., Balitchev, E., Hallstedt, B., Schneider, J.M., Bramann, H., Bührig-Polaczek, A., Uggowitzer, P.J.

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Forschungsgebiete [ siehe alle ]

Electronic Scrap Recycling

The IME pursues the objective to use the high potential of WEEE as a resource for various metals by developing a sustainable metallurgical recycling process. The focal point is the recovery of base metals (copper, aluminum), precious metals (gold, silver, platinum and palladium) as well as critical elements (gallium, germanium and indium)…

Nanopowder Synthesis

Nanotechnology belongs to the key innovative technologies for powder production. Ultrasonic spray pyrolysis USP is a versatile method for the formation of nanosized particles of metals, oxides and composites. Our work deals with nanoparticles of Ag, Cu and Au formed by ultrasonic spray pyrolysis using the horizontal and vertical reactor. ..

Circular Economy for Batteries

The IME represents the field of process metallurgy and metal recycling at RWTH Aachen University. Due to the growing public, political and industrial interest in battery recycling the IME has systematically developed optimal pyrometallurgical and hydrometallurgical recycling concepts for all standard battery systems in cooperation with industrial partners and also in terms of projects funded by the government…

Titanium Metallurgy

Titanium is called the material of the future. This title results from the unique combination of properties such as good corrosion resistance, high strength and biocompatibility with low density. Due to these properties, titanium alloys are increasingly being used in areas such as aerospace, automotive, chemical or medical technology.
Despite…

Technology Metals (Extraction and Recycling)

Critical metals are, by definition, metals that are of high economic importance and at the same time exhibit significant supply risks. Elements that are ascribed as especially critical are, for example, rare earth elements, platinum group metals, but also antimony and niobium.
At IME, pyrometallurgical as well as hydrometallurgical processes for…

Aluminum Recycling and Melt Purification

The working group focuses on the recycling of aluminium scraps via under salt or salt-free processes. Top Blown Rotary Converter (TBRC) in lab and demo-scale is used to perform the experiments. Efficient coagulation during recycling is also studied by using different salt compositions. In addition, thermal treatment of organic containing…

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…

Alloying Metallurgy

Alloying metallurgy is confronted with increasing complexity, as requirements of metallic high-tech materials rise with regard to composition, cleanliness and homogenity. In order to comply with strict tolerances, metallurgical vacuum processes are applied, which allow, for instance, melting of metals with high oxygen affinity, removal of dissolved gases or non-metallic…

Pure Metals

The rapidly growing development and progress in the semiconductor, solar panel, photovoltaic and also the catalytic industry, has recently considerably increased the production and the number of applications of high-purity metals. In order to ensure the extremely low level of impurities (ppm or even ppb range), complex and highly controlled…

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