Sahu, K K and Alex, T C and Mishra, D and Agrawal, A (2006) An overview on the production of pigment grade titania from titania-rich slag. Waste Management & Research, 24 (1). pp. 74-79.
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To recover pigment grade TiO2, operating plants all over the world use chemical processes. Stag-based technology is considered to be attractive because of low waste generation and low chemical cost due to high titanium content and is poised to replace the conventional technology. This paper provides a review of the slag-based technology with the specific aim to produce leachable slag and achieving high titania yield from recovered wastes. Leachable oxides of the lower oxidation state, such as TiO and Ti2O3, facilitate the teaching process. However, during smelting these oxides increase the viscosity of the slag. Formation of titanium carbide or carbonitride is also not desirable as it leads to resistance to the leaching of titanium. This report highlights the problems and their possible solutions to obtain leachable slag.
|Uncontrolled Keywords:||titania; slag; pigment; leaching; ilmenite; rutile; wmr 810-4|
|Divisions:||Metal Extraction and Forming|
|Deposited By:||Sahu A K|
|Deposited On:||23 Jul 2011 11:51|
|Last Modified:||08 Feb 2012 17:13|
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