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Zn-recovery from steel making dusts - Kinetics and mechanism of thermal zinc-ferrite phase decomposition

Description: Das Projekt "Zn-recovery from steel making dusts - Kinetics and mechanism of thermal zinc-ferrite phase decomposition" wird vom Umweltbundesamt gefördert und von RWTH Aachen University, Institut und Lehrstuhl für metallurgische Prozesstechnik und Metallrecycling durchgeführt. This project focuses on a pyrometallurgical treatment of iron-zinc concentrate in order to study the mechanism and kinetics of thermal zinc ferrite phase decomposition. Combination of Pyrometallurgical and hydrometallurgical treatment of FeZn-concentrate was used. The degree and kinetic of thermal decomposition of zinc ferrite was considered by TGA and DTA Analysis. The thermal decomposition of zinc ferrite was investigated in rotary kiln and tubular furnace. Leaching of decomposed solid residue was performed under atmospheric and high pressure conditions.

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SupportProgram

Origin: /Bund/UBA/UFORDAT

Tags: Aachen ? Metallrecycling ? Luftdruck ? Ferrit ? Eisen ? Zink ? Staub ? Chemische Analyse ? Drehofen ? Feststoff ? Studie ? Verfahrenstechnik ? Stahl ? Verwitterung ? Thermolyse ? Feuerung ? Metallurgie ? Ofen ? Reaktionskinetik ? Rückstand ? Hochdruck ? Konzentrat ?

Region: Nordrhein-Westfalen

Bounding box: 6.76339° .. 6.76339° x 51.21895° .. 51.21895°

License: cc-by-nc-nd/4.0

Language: Deutsch

Organisations

Time ranges: 2008-01-01 - 2010-12-31

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