Basf Se Corporation

Basf Se Ludwigshafen

Lars Vicum

Reinhold Rieger

Andrey Karpov

Hartwig Voβ

Igor Shishkov

Valerie Andre

Gerardo Incera Garrido

Robert Wengeler

Jing Dreher

Bernd Bechtloff

Rodrigo Ivan Serna Guerrero

Method for separating first type particles from a mixture of at least first type particles and second type particles, the method comprising contacting in a dispersion medium first type particles and second type particles with magnet type particles, so that in the dispersion medium first type particles agglomerate to magnet type particles to obtain magnetic agglomerates, separating magnetic agglomerates from second type particles by applying a magnetic field; wherein during step an amount of energy is transferred into a mixture of the dispersion medium, first type particles, second type particles and magnet type particles.

Energy input during agglomeration for magnetic separation

The present invention relates to a process for the preparation of nanoparticulate zinc oxide in the form of aqueous suspensions or in the form of pulverulent solid. Furthermore, the invention relates to the use of zinc oxide particles and suspensions prepared in this way in cosmetic sunscreen preparations, as stabilizer in plastics, in paints, in coatings and as antimicrobial active ingredient.

Process for the preparation of nanoparticulate zinc oxide

Growing community of inventors

Heidelberg, Germany

Lars Vicum