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<p>The paper presents results of thermokinetic investigation of the hazard-type reaction of Norwegian and Australian ilmenite ores with sulfuric acid, modified by the addition of elemental sulfur, to increase the process safety in industrial conditions. In the reactions of both ilmenite ores the addition of sulfur caused a reduction of the thermal power generated in the reaction and a decrease in the value of the thermokinetic parameter ΔT<sub>max</sub>/Δτ for almost the whole range of initial concentrations of sulfuric acid. It was also found that the addition of sulfur to the reaction did not negatively affect the degree of ilmenite leaching. The interpretation of the obtained thermokinetic curves allowed to determine safe process conditions for both types of titanium raw materials.</p>
</abstract>

The paper presents results of thermokinetic investigation of the hazard-type reaction of Norwegian and Australian ilmenite ores with sulfuric acid, modified by the addition of elemental sulfur, to increase the process safety in industrial conditions. In the reactions of both ilmenite ores the addition of sulfur caused a reduction of the thermal power generated in the reaction and a decrease in the value of the thermokinetic parameter ΔTmax/Δτ for almost the whole range of initial concentrations of sulfuric acid. It was also found that the addition of sulfur to the reaction did not negatively affect the degree of ilmenite leaching. The interpretation of the obtained thermokinetic curves allowed to determine safe process conditions for both types of titanium raw materials.

The influence of sulfur addition on the hazard-type reaction of ilmenite ores with sulfuric acid

West Pomeranian University of Technology Szczecin

Faculty of Chemical Technology and Engineering, Department of Organic and Physical Chemistry

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution 4.0 International License.

The paper presents results of thermokinetic investigation of the hazard-type reaction of Norwegian and Australian ilmenite ores with sulfuric acid, modified by...

The influence of sulfur addition on the hazard-type reaction of ilmenite ores with sulfuric acid

Online veröffentlicht: 14. Okt. 2021

Seitenbereich: 17 - 23

DOI: https://doi.org/10.2478/pjct-2021-0025

Schlüsselwörter
hazard-type reaction, ilmenite, titanium dioxide pigment, sulfur

© 2021 Maciej Jabłoński et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

The influence of sulfur addition on the hazard-type reaction of ilmenite ores with sulfuric acid

Online veröffentlicht: 14. Okt. 2021

Seitenbereich: 17 - 23

DOI: https://doi.org/10.2478/pjct-2021-0025

Schlüsselwörterhazard-type reaction, ilmenite, titanium dioxide pigment, sulfur

© 2021 Maciej Jabłoński et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Schlüsselwörter
hazard-type reaction, ilmenite, titanium dioxide pigment, sulfur