Kinetics of leaching fluoride from mixed rare earth concentrate with hydrochloric acid and aluminum chloride

Hydrometallurgy

Volumn 140, Issue , 2013, Pages 71-76

  Li, Mei ^a,b   Zhang, Xiaowei ^a,b   Liu, Zhaogang ^b   Hu, Yanhong ^a,b   Wang, Mitang ^b   Liu, Jia ^b   Yang, Jianping ^b  

^a BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY   (China)

^b INNER MONGOLIA UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Fluoride; Kinetic; Leaching; Mixed rare earth concentrate

Indexed keywords

ACID CONCENTRATIONS; APPARENT ACTIVATION ENERGY; CHLORIDE CONCENTRATIONS; FLUORIDE; INTERFACIAL TRANSFER; LEACHING KINETICS; MIXED RARE EARTH CONCENTRATES; SHRINKING CORE MODEL;

ALUMINUM CHLORIDE; FLUORINE COMPOUNDS; HYDROCHLORIC ACID; KINETICS; LIQUIDS;

LEACHING;

EID: 84885344454     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2013.09.004     Document Type: Article

References (17)

1. 2 - complex anion Chem. Phys. Lett. 308 5-6 1999 479 485 (Pubitemid 129592637)
2. A. Bhatnagara, E. Kumara, and M. Sillanpää Fluoride removal from water by adsorption - a review Chem. Eng. J. 171 3 2011 811 840
3. 2 melting salt J. Rare Earths 28 1 2010 86 90
4. R. Dehghan, M. Noaparast, and M. Kolahdoozan Leaching and kinetic modelling of low-grade calcareous sphalerite in acidic ferric chloride solution Hydrometallurgy 96 4 2009 275 282
5. C.F. Dickinson, and G.R. Heal Solid-liquid diffusion controlled rate equations Thermochim. Acta 340-341 1999 89 103 (Pubitemid 129498252)
6. X.W. Hang, Z.Q. Long, H.W. Li, W.J. Ying, G.C. Zhang, and X.X. Xue Development of rare earth hydrometallurgy technology in China J. Rare Earths 23 1 2005 1 4
7. 6) from HF/HCl leach liquors of alumino-silicates Hydrometallurgy 104 2 2010 304 307
8. E. Kumar, A. Bhatnagar, U. Kumar, and M. Sillanpää Defluoridation from aqueous solutions by nano-alumina: characterization and sorption studies J. Hazard. Mater. 186 2-3 2011 1042 1049
9. M.T. Li, C. Wei, S. Qiu, X.J. Zhou, C.X. Li, and Z.G. Deng Kinetics of vanadium dissolution from black shale in pressure acid leaching Hydrometallurgy 104 2 2010 193 200
10. - with a third ligand Coord. Chem. Rev. 41 1996 23 32
11. G. Özbayoǧlu, and M.Ü. Atalay Beneficiation of bastnaesite by a multi-gravity separator J. Alloys Compd. 303-304 2000 520 530
12. E. Tchomgui-Kamga, V. Alonzo, C.P. Nanseu-NjiKi, N. Audebrand, and E. Ngameni Preparation and characterization of charcoals that contain dispersed aluminum oxide as adsorbents for removal of fluoride from drinking water Carbon 48 2 2010 333 343
13. J. Tian, J.Q. Yin, R.A. Chi, G.H. Rao, M.T. Jiang, and K. Ouyang Kinetics on leaching rare earth from the weathered crust elution-deposited rare earth ores with ammonium sulfate solution Hydrometallurgy 101 3-4 2010 166 170
14. W.Y. Wu Rare Earth Metallurgy 2005 Chemical Industry Press Beijing
15. Z.Y. Wu, W.Y. Wu, S.C. Sun, X. Bian, and G.F. Tu Study on escaping fluorine inhibition in calcining process of mixed rare earth concentrate J. Rare Earths 259 1 2007 129 132
16. G. Xu Rare Earth 2nd edition 1995 Metallurgical Industry Press Beijing
17. G.C. Zhu, R.A. Chi, W.Z. Shi, and Z. Xu Chlorination kinetics of fluorine-fixed rare earth concentrate Miner. Eng. 16 7 2003 671 674