Author(s):
1. Valentina Novičić, Alumina doo, , Republic of Srpska, Bosnia and Herzegovina
2. Radislav Filipovic, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
3. Mitar Perušić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
4. Zoran Obrenovic, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
5. Duško Kostić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
6. Vladimir Damjanovic, Alumina doo, , Republic of Srpska, Bosnia and Herzegovina
7. Vladislav Sekulić, Alumina doo, , Republic of Srpska, Bosnia and Herzegovina
8. Nebojša Vasiljević, Tehnološki fakultet Zvornik, Republic of Srpska, Bosnia and Herzegovina

Abstract:
In this work, the influence of process parameters on the sorption characteristics of aluminum hydroxide is investigated. The starting materials used to obtain finely precipitated hydrate were aluminate solution and seed crystals of aluminum hydroxide. The effect of caustic modulus of aluminate solution at constant temperature was examined, followed by the influence of specific surface area of seed crystals on crystallization, as well as the effect of sulfate in aluminate solution on the formation of particles of finely precipitated aluminum hydroxide and on the resulting slurry. Samples were analyzed for particle size distribution, specific surface area, and slurry sorption. Additionally, scanning electron microscope (SEM) results showed differences in particle morphology of the obtained finely precipitated hydrate. Based on experimental data, it was concluded that reducing the caustic modulus results in finer particles of finely precipitated hydrate, thereby enhancing specific surface area and intensifying slurry sorption.

Key words:
sodium aluminate,aluminum hydrokside,sorption,crystalization

Thematic field:
SYMPOSIUM A - Science of matter, condensed matter and physics of solid states

Date of abstract submission:
21.06.2024.

Conference:
Contemporary Materials 2024 - Savremeni Materijali

Applied paper from author