FENG Yang1; WANG Jinggang1; WANG Lina2; QI Tao2; XUE Tianyan2; CHU Jinglong2
Source Publicationraremetals
AbstractThe kinetics of the decomposition of acid dissolved titanium slag with a sodium hydroxide system under atmospheric pressure was studied. The effect of reaction temperature, particle size and NaOH-to-slag mass ratio on titanium extraction was investigated. The results show that temperature and particle size have significant influence on titanium extraction. The experimental data of titanium extraction show that the shrinking core model with chemical reaction controlled process is most applicable for the decomposition of slag, with an apparent activation energy of 62.4 kJ.mol(-1). Approximately 85 wt.%-90 wt.% of the titanium can be extracted from the slag under the optimal conditions. In addition, the purity of titanium dioxide obtained in the product is up to 98.5 wt.%.
Funding Project[National Natural Science Foundation of China] ; [National Key Technologies RD Program] ; [National Basic Research Program of China]
Document Type期刊论文
Recommended Citation
GB/T 7714
FENG Yang,WANG Jinggang,WANG Lina,et al. decompositionofaciddissolvedtitaniumslagfromaustraliabysodiumhydroxide[J]. raremetals,2009,28(6):564.
APA FENG Yang,WANG Jinggang,WANG Lina,QI Tao,XUE Tianyan,&CHU Jinglong.(2009).decompositionofaciddissolvedtitaniumslagfromaustraliabysodiumhydroxide.raremetals,28(6),564.
MLA FENG Yang,et al."decompositionofaciddissolvedtitaniumslagfromaustraliabysodiumhydroxide".raremetals 28.6(2009):564.
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