Prof. Dr. Kerstin Eckert

Head Transport processes at interfaces
Phone: +49 351 260 3860


Foto: AS0 ©Copyright: Dr. Anna-Elisabeth Sommer

Measurement of flotation reco­very by means of 4D particle tracking velocimetry

The efficiency of the froth flotation process depends on the encoun­ter of particle and bubbles based on the hydrodynamics within the cell and the surface chemistry of the pulp for the film rupture during the attachment process.
Foto: SH0 ©Copyright: Dr. Sascha Heitkam

Particle motion in the froth

The motion of hydrophobic valuable mineral particles in the froth is decisive for the reco­­very rate in flotation while the motion of hydrophilic particles strongly influences the grade of the concentrate. Particle motion is investigated in our group by new techniques.
Foto: Liquid metal flotation - reference ©Copyright: Dr. Tobias Lappan

Flotation of non-metallic inclusions in liquid metals

The removal of non-metallic inclusions from liquid metal alloys by means of gas bubbles is important to ensure clean and high-quality structural materials. The FLOTINC project aims for a bet­ter understanding of interactions, e.g. collision, attachment and detachment, between bubbles and inclusions.

Carrier flotation

To remove ­very small particles from suspension an upscaling of their sizes, e.g. by stimulating their attachment to larger carrier particles (e.g. calcite for collecting TiO2 fines) is desirable. Currently, works with magnetic carrier particles are ongoing.