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Lectures

2023

Unified International Technical Conference on Refractories

6th International Postgraduates Seminar on Refractories

  • Gumban C.G., Hubálková J.,Charitos A.,Aneziris CG, Voigt C.: Influence of the Test Parameter on the Thermal Shock Behaviour of Ceramic Foams. Presented to the 6th International Postgraduates Seminar on Refractories (Online seminar). 22-24.05.2023

Deutsche Keramische Gesellschaft Jahrestagung 2023

  • Gumban C.G., Hubálková J.,Charitos A.,Aneziris CG, Voigt C.: Influence of the Test Parameter on the Thermal Shock Behaviour of Ceramic Foams. Presented to the Deutsche Keramische Gesellschaft Jahrestagung 2023 (Jena, Germany). 27-30.03.2023

2022

Presentations

  • Charitos A.: Sustainable thermochemical processes in metallurgy. Trends
    in research and practice. Scientific Workshop of the University of Stuttgart on "Thermal Energy and Material Conversion". 21 June 2022.
  • Vogt D.: No vegan smartphone? - It's in your mobile phone. Night of Science, 18 June 2022.
  • Vogt D., Hopf J.: Future materials (copper refining electrolysis, investigation of the influence of additives on copper deposition). MINT-Camp, 28-31 March 2022.
  • Vogt D., Blenau L.: Guided tour of INEMET and presentation of the areas of pyrometallurgy (tour of the furnace hall, tin casting, presentation on mobile phone recycling) and hydrometallurgy (copper electrolysis, construction of small copper electrolysis cells, metal quiz). Project day Gymnasium Marienberg, 16 March 2022.
  • Charitos, A.: Recycling non-ferrous metals correctly. Online Campus Days of the TU Bergakademie Freiberg. 13 January 2022.

2nd International Virtual Conference on Materials Science & Engineering

  • Scharf C., Schramm A., Thümmler M., Fabrichnaya O., Brehm S., Kraus J., Kortus J., Rafaja D., Aneziris C.G.: Fundamental investigation of the technological research on the reaction sintering of MgAlON at 1500 °C from Al2O3, MgO and AlN. Virtual Conference (Online Meeting), 23-24 September 2022. Keynote speaker presentation

GDMB Technical Committee for Special Metals

  • Hopf J.: Investigations on the leaching of raw silver granules with methanesulfonic acid (MSA). Wimsheim, 21 -22 September 2022.

76th Lead Technical Committee of the GDMB

  • Blenau L., Wexler M., Mahl J., Baumann W., Stapf D., Charitos A.: Utilization of Carbon Fibers (CF) as an Alternative Reduction Agent for Pyrometallurgical Slag Valorization Processes. 31.08-02.09.2022.
  • R.F. Van Schalkwyk R.F., Stelter M., Reuter M.A., Rezende J.L.L., to Baben M., Recksiek V.: A thermochemically based model of the TSL furnace for lead smelting; validation of method through laboratory-scale kinetic measurements. 31.08-02.09.2022.

COM - Conference of Metallurgists

  • Lesia Sandig-Predzymirska L., Stelter M., Charitos A.: Separation of PGMs from Acidic Solutions by Ion Exchange. Montreal, Canada. 21-24 August 2022. poster presentation.

51st Metallurgical Seminar of the GDMB

  • Blenau L., Fabrichnaya O., Lonski O., Vogt D., Charitos A.: Opportunities of pyrometallurgical magnet recycling through adapted slag systems. May 2022. Keynote speaker presentation

TMS 2022 - Anaheim, California, USA

  • Kandalam, A., Reinmöller, M., Stelter, M., Reuter, M., Charitos, A.: Determining the Bubble Dynamics of a Top Submerged Lance. REWAS 2022: Automation and Digitalization for Advanced Manufacturing - Advanced Process Simulation, Visualisation and Measurement Techniques. TMS Extraction and Processing Division, TMS: Recycling and Environmental Technologies Committee, TMS: Process Technology and Modelling Committee. 27 February-03 March 2022.

DGM Technical Committee Circular Materials

  • Blenau L., Sander S.A.H., Fuhrmann S., Charitos, A., Stapf D.: Fayalitic slag utilisation for the production of glass fibres and pig iron: Use of carbon fibres as a reducing agent. Virtual conference, topic "Materials in the context of circular materials: base metals (except steel)", expert committee "Circular Materials" of the German Society for Materials Science (DGM), 13 January 2022.

2021

School presentations

  • Blenau, L.: The periodic table in your pocket: Can metals in your mobile phone be recycled? Grammar school Görlitz. December 2021.
  • Charitos, A.: Energy transition? Copper makes it possible. St Annen secondary school in Annaberg-Buchholz. November 2021.
  • Blenau, L.: The periodic table in your pocket: Are metals in mobile phones recyclable? Study information day at the vocational school centre Hoyerswerda. November 2021.
  • Charitos, A.: Energy transition? Copper makes it possible. Online learning camp Dürer-Gymnasium Nuremberg. October 2021.
  • Charitos, A.: Sustainability & recycling in the field of non-ferrous metallurgy and high-purity materials. Online Campus Days of the TU Bergakademie Freiberg. June & July 2021.

International Multidisciplinary Scientific Conference

  • Schramm A., Recksiek V., Dudczig S., Scharf C., Aneziris C.G.: Immersion Testing of Variously Coated Ceramic Foam Filters in an AZ91 Magnesium Melt, MultiScience - XXXIV. microCAD. International Multidisciplinary Scientific Conference, September 2021, University of Miskolc, Hungary.

GDMB Technical Committee Special Metals

  • Sandig-Predzymirska L., Barreiros T. V., Weigelt A., Thiere A., Stelter M., Charitos A.: Recovery of PGMs from end-of-life PEM electrolyzers. GDMB Technical Committee Special Metals, September 2021.

Copper Technical Committee of the GDMB

  • Blenau L.: Fayalitic Slag Valorisation: Glass Fiber and Pig Iron Production. Kupferfachausschuss des GDMB, September 2021.
  • Felkl L.: Characterisation of black copper as a phase. Kupferfachausschuss des GDMB, September 2021.
  • Meiner K.: Removal of arsenic from arsenic-bearing copper concentrates by alkaline sulfide leaching. Kupferfachausschuss des GDMB, September 2021. Keynote speaker presentation

EUROMAT 2021

  • Felkl L., Stelter M., Charitos A.: Investigation of the hydrogen solubility in liquid copper for usage as reducing agent in secondary copper production. EUROMAT 2021, September 2021.
  • Becker H., Elst T., Fankhänel B., Voigt C., Stelter M., Charitos A., Aneziris C., Leineweber A.: Interaction of Fe- and Mn-containing, secondary Al-Si alloys with carbon-bonded Al2O3 for Fe removal. EUROMAT 2021, September 2021.

11th EMC European Metallurgical Conference

  • Hopf J., Weigelt A., Bombach H., Charitos A., Stelter M.: Investigations on the leaching of raw silver granules with methanesulfonic acid (MSA). European Metallurgical Conference EMC, June 2021.
  • Kandalam A., Stelter M., Reinmöller M., Reuter M.A., Charitos A.: Novel methods to determine the bubble dynamics of a Top Submerged Lance (TSL) smelter. European Metallurgical Conference EMC, June 2021.
  • Sandig-Predzymirska L., Barreiros T. V., Thiere A., Weigelt A., Vogt D., Stelter M., Charitos A.: Recycling strategy for the extraction of PGMs from spent PEM electrodes. European Metallurgical Conference EMC, June 2021.
  • Meiner K., Weigelt A., Charitos A., Stelter M., Schimpf C., Wrobel M., Förster K., Hammerschmidt J., Parra R.: Alkaline sulfide leaching and partial roasting for treatment of As-rich concentrates. European Metallurgical Conference EMC, June 2021.

72nd BHT Freiberg University Forum

  • Felkl L.: Study of the hydrogen solubility in liquid copper in dependence of hydrogen partial pressure and process temperature. BHT Freiberg University Forum, June 2021.
  • Blenau, L.: Alternative carbon use for fayalitic slag valorisation. BHT Freiberger Universitätsforum, June 2021. Keynote speaker presentation
  • Meiner K.: Alkaline sulfide leaching as a reduction strategy for high arsenic copper concentrates. BHT Freiberg University Forum, June 2021.
  • Sandig-Predzymirska L.: Recycling of PGMs - essential step for sustainable hydrogen-based economy. BHT Freiberg University Forum, June 2021. Keynote speaker presentation
  • Weigelt A.: Recycling of gallium from waste streams of the semiconductor industry. BHT Freiberg University Forum, June 2021.
  • Charitos A.: Review of microwave applications in metallurgy and INEMET planned activities. BHT Freiberg University Forum, June 2021.
  • Javidasa, F.: Recycling of permanent magnets. BHT Freiberg University Forum, June 2021. Keynote Speaker Presentation

94th Glass Technology Conference of the German Glass Technology Society

  • Sander S.A.H., Hossain S., Lehmann R., Sprungk B., Charitos A., Büttner P., Fuhrmann S.: Usage of slag and tailings from mining dumps for glass synthesis. 94th Glass Technology Conference of the German Glass Technology Society, May 2021.

7th Slag Valorisation Symposium

  • Blenau L., Stelter M., Charitos A.: Carbothermic Reduction of Fayalitic Slag with Graphite - Understanding Reaction Kinetics for Pig Iron Production. 7th Slag Valorisation Symposium (SVS 2021), April 2021.