Research on wet gringding dispersion properties of different rutile TiO<sub>2</sub> initial products

Yang Fang; Liu Chan; Lu Ruifang; Shi Ruicheng

doi:10.7513/j.issn.1004-7638.2024.04.005

Volume 45 Issue 4

Aug. 2024

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2024 > 45(4): 29-33

Yang Fang, Liu Chan, Lu Ruifang, Shi Ruicheng. Research on wet gringding dispersion properties of different rutile TiO2 initial products[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(4): 29-33. doi: 10.7513/j.issn.1004-7638.2024.04.005

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Yang Fang, Liu Chan, Lu Ruifang, Shi Ruicheng. Research on wet gringding dispersion properties of different rutile TiO₂ initial products[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(4): 29-33. doi: 10.7513/j.issn.1004-7638.2024.04.005

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Research on wet gringding dispersion properties of different rutile TiO₂ initial products

doi: 10.7513/j.issn.1004-7638.2024.04.005

State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Pangang Group Research Institute Co., Ltd., Panzhihua 617000, Sichuan, China

Received Date: 2023-12-05
Publish Date: 2024-08-30

Abstract

Abstract

In this work, four kinds of industrial TiO₂ initial products were used as raw materials to study the wet gringding dispersion of Zn series TiO₂ and Al series TiO₂ at different concentrations. Then, the difference of dispersion properties was analyzed by the characterization of slurry viscosity, dispersion stability, particle size and supernatant conductivity. The results show that the dispersibility of Zn series products is weaker than that of Al series products under the same sodium silicate dispersion process, and the slurry viscosity increases with the increase of beating concentration. The limit beating concentration of each Zn series products is different. When Na₂SiO₃ addition is 0.30% of the mass ratio of SiO₂/TiO₂, the highest dispersion concentration of Zn series B can reach 500 g/L, but it still can not reach the level of Al series products. At low concentrations below 300 g/L, there are more small particle size particles in each product, so the dispersion is more stable. With the increase of concentration, the dispersion stability of slurry decreases. The lower the viscosity of the slurry, the worse the dispersion stability. The amount of surface charge of all kinds of raw materials varies, and TiO₂ with more surface charge has lower viscosity.
- TiO₂ powder,
- Zn series,
- Al series,
- dispersion property,
- sodium silicate

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