1. TU Wien, Christian Doppler Laboratory for Anthropogenic Resources; Institute for Water Quality, Resource and Waste Management; Karlsplatz 13 1040 Wien Austria
2. TU Wien, Institute for Water Quality; Resource and Waste Management; Karlsplatz 13 1040 Wien Austria
3. voestalpine Stahl GmbH; Voestalpinestr. 3 4020 Linz Austria