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
2004	congress or congress paper Electrochemical reduction of Titanium dioxide thin film in LiCl-KCl-CaCl2 eutectic melt In: Proceedings of 206th Meeting of The Electrochemical Society, Inc.; Honolulu, 2004. Katayama Y., Bernd Friedrich
2004	congress or congress paper A New Processing Route for Titanium Alloys by Aluminothermic Reduction of Titanium Dioxide and Refining by ESR In: Proceedings of 10th World Conference on Titanium, Hamburg, 2004, S. 2209-2216. Weinheim: WILEY-VCH. Jan-Christoph Stoephasius, Bernd Friedrich, Joerg Hammerschmidt
2004	congress or congress paper CaF2 solubility in NaCl-KCl salt flux for aluminium recycling In: Proceedings of VII International Conference on Molten Slags, Fluxes & Salts, 2004, S. 197-200. Cape Town, South Africa: The South African Institute for Mining and Metallurgy Abyl Sydykov, Bernd Friedrich, Eugen Milke, Alexander Arnold
2004	congress or congress paper Development of an CaO-CaF2 slag system for high rare earth contents In: Proceedings of VII International Conference on Molten Slags, Fluxes & Salts, 2004. S. 449 -454. Cape Town, South Africa: The South African Institute for Mining and Metallurgy Tobias Müller, Bernd Friedrich
2003	congress or congress paper Fundamental research on deep bed filtration of metals European Metallurgical Conference 2003, Hannover, Vol. 3, 1239-1254 Bettina Hübschen, Joachim Krüger, Wolfgang Schneider
2003	article in scientific journal Sulphuric Acid Leaching of the Serbian Nickel Lateritic Ore Erzmetall 56 (2003), Nr. 4 Srecko Stopic, Bernd Friedrich, Dr.-Ing. Reinhard Fuchs
2003	congress or congress paper Kinetics of high pressure leaching of the serbian nickel lateritic ore In: Proceedings of European Metallurgical Conference, 16. – 19. September 2003, Hannover, Vol. 1, S. 189 – 204. Srecko Stopic, Bernd Friedrich, Dr.-Ing. Nikola Anastasijević
2003	congress or congress paper Influencing the resource requirement in Copper primary production by technique variation Copper, Santiago de Chile, 2003 Tobias Müller, Bernd Friedrich, P. Zapp
2003	article in scientific journal Aluminium foam – Production, Properties and Recycling Possibilities World of Metallurgy – Erzmetall, Vol. 56, No. 11, S. 656 – 660 Bernd Friedrich, Katherina Jessen geb. Kaplan, Georg Rombach
2003	article in scientific journal Nichteisenmetallurgie – 50 Jahre Forschung und Lehre in Aachen In: World of Metallurgy – ERZMETALL, Vol. 56, Nr. 6/7 Bernd Friedrich, K. Krone

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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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