Physical separation methods were applied for upgrading the TiO2 contained in a fine waste generated by the sulfuric acid process of a titanium pigment plant. The main components of this waste are TiO2 42.0%-30% sulfuric-acid soluble (TiO2 s) and 12% insoluble (TiO2 i)-SiO2 25%, and Al2O3 6%. 90% of the material is finer than 45μm. Gravity and magnetic separation tests were carried out on the mud with the aim of recycling a TiO2 s enriched fraction. Flotation tests were also carried out on the mud to obtain a TiO2-enriched fraction to consider as feed to a chlorination plant for the production of TiCl4.Physical separation methods were applied for upgrading the TiO2 contained in a fine waste generated by the sulfuric acid process of a titanium pigment plant. The main components of this waste are TiO2 42.0%-30% sulfuric-acid soluble (TiO2 s) and 12% insoluble (TiO2 i)-SiO2 25%, and Al2O3 6%. Ninety percent of the material is finer than 45 μm. Gravity and magnetic separation tests were carried out on the mud with the aim of recycling a TiO2 s enriched fraction. Flotation tests were also carried out on the mud to obtain a TiO2-enriched fraction to consider as feed to a chlorination plant for the production of TiCl4.
Application of physical separation methods for the upgrading of titanium dioxide contained in a fine waste / G., Belardi; Piga, Luigi; S., Quaresima; N., Shehu. - In: INTERNATIONAL JOURNAL OF MINERAL PROCESSING. - ISSN 0301-7516. - 53:3(1998), pp. 145-156. [10.1016/s0301-7516(97)00076-8]
Application of physical separation methods for the upgrading of titanium dioxide contained in a fine waste
PIGA, LUIGI;
1998
Abstract
Physical separation methods were applied for upgrading the TiO2 contained in a fine waste generated by the sulfuric acid process of a titanium pigment plant. The main components of this waste are TiO2 42.0%-30% sulfuric-acid soluble (TiO2 s) and 12% insoluble (TiO2 i)-SiO2 25%, and Al2O3 6%. 90% of the material is finer than 45μm. Gravity and magnetic separation tests were carried out on the mud with the aim of recycling a TiO2 s enriched fraction. Flotation tests were also carried out on the mud to obtain a TiO2-enriched fraction to consider as feed to a chlorination plant for the production of TiCl4.Physical separation methods were applied for upgrading the TiO2 contained in a fine waste generated by the sulfuric acid process of a titanium pigment plant. The main components of this waste are TiO2 42.0%-30% sulfuric-acid soluble (TiO2 s) and 12% insoluble (TiO2 i)-SiO2 25%, and Al2O3 6%. Ninety percent of the material is finer than 45 μm. Gravity and magnetic separation tests were carried out on the mud with the aim of recycling a TiO2 s enriched fraction. Flotation tests were also carried out on the mud to obtain a TiO2-enriched fraction to consider as feed to a chlorination plant for the production of TiCl4.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
