Kinetics of the dissolution of ilmenite in sulfuric acid solutions under reducing conditions

Hydrometallurgy

Volumn 103, Issue 1-4, 2010, Pages 196-204

  Zhang, Suchun ^a   Nicol, Michael J ^a  

^a MURDOCH UNIVERSITY   (Australia)

Author keywords

Ilmenite; Kinetics; Reductive leaching; Sulfur dioxide; Sulfuric acid; Titanium(III)

Indexed keywords

ACID CONCENTRATIONS; ACID SOLUTIONS; BATCH LEACHING; DISSOLUTION RATES; FERROUS ION; MATHEMATICAL EXPRESSIONS; REDUCING CONDITIONS; REDUCTANTS; REDUCTIVE LEACHING; SHRINKING CORE MODEL; SHRINKING PARTICLES; SOLID/LIQUID RATIOS; SULFURIC ACID SOLUTION;

ACIDS; CONCENTRATION (PROCESS); ILMENITE; IONS; IRON; IRON COMPOUNDS; LEACHING; METAL RECOVERY; OXIDE MINERALS; REDOX REACTIONS; REDUCING AGENTS; SHRINKAGE; SILICATE MINERALS; SULFUR; SULFUR DETERMINATION; SULFUR DIOXIDE; SULFURIC ACID; SURFACE REACTIONS; TITANIUM;

DISSOLUTION;

EID: 77955228205     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2010.03.019     Document Type: Article

References (26)

1. 2 Pigment: a Dynamic Global Industry 1997 Artikol and TZ Minerals International Pty Ltd. Perth, WA
2. J. Barksdale Titanium: Its Occurrence, Chemistry and Technology 2nd ed. 1966 Ronald Press New York
3. A.F.M. Barton, and S.R. McConnel Rotating disc dissolution rates of ionic solids, part 3. natural and synthetic ilmenites J. Chem. Soc., Faraday Transactions. 75 4 1979 971 983
4. IV species in aqueous sulphuric and hydrochloric acids I. Titanium speciation. Electrochimica Acta 41 4 1996 563 572
5. IV species in aqueous sulphuric and hydrochloric acids II. ECE model of the behaviour in sulphate media. Electrochimica Acta 41 4 1996 573 582
6. N.M. El-Khaliny Preparation of Titanium Dioxide from the Egyptian Ilmenite Ore 1967 Faculty of science, Ain Shams University, Cairo, Egypt M. Sc. thesis
7. I.E. Grey, M.R. Lanyon, and R. Stranger Structure characterization of sulfate and oxysulfate phases formed during sulfuric acid digestion of ilmenites Australian Journal of Chemistry 49 1996 801 815
8. K.N. Han, T. Rubcumintara, and M.C. Fuerstenau Leaching behaviour of ilmenite with sulfuric acid Metallurgical Transactions B. 18 2 1987 325 330
9. K.S. Kamala, C.A. Thomas, M. Devabrata, and A. Archana An overview on the production of pigment grade titania from titania-rich slag Waste Management & Research 24 2006 74 79
10. 2O-F(-Fe) systems at 298 K J. Electroanalytical Chemistry 283 1990 135 157
11. M. Kretschmer, and F. Derler Procedure for the oxidation of trivalent titanium to tetravalent titanium with hydrogen peroxide in the production of titanium dioxide by the sulfate process German Patent 2004 10255262
12. T.A.I. Lasheen Chemical beneficiation of Rosetta ilmenite by direct reduction leaching Hydrometallurgy 76 2005 123 129
13. 2 from titania slag Frontiers of Chemical Engineering, China, Published by Springer GmbH. 3 2 2009 155 160
14. O. Levenspiel Chemical Reaction Engineering 1972 John Wiley & Sons New York, NY
15. B. Liang, C. Li, C. Zhang, and Y. Zhang Leaching kinetics of Panzhihua ilmenite in sulfuric acid Hydrometallurgy 76 3-4 2005 173 179 (Pubitemid 40183396)
16. T.S. Mackey Upgrading ilmenite into a high-grade synthetic rutile April JOM 1994 59 64
17. M.H.H. Mahmoud, A.A. Afifi, and I.A. Ibrahim Reductive leaching of ilmenite ore in hydrochloric acid for preparation of synthetic rutile Hydrometallurgy 73 2004 99 109
18. J.A. Rahm, and D.G. Cole Titanium compounds using a reducing agent US Patent 4288415 1981
19. E.G. Roche, A.D. Stuart, and P.E. Grazier Sulfate process for manufacture of titania after ore leaching WO Patent WO2004035841 2004
20. 4 Hydrometallurgy 88 4 2007 154 169
21. E. Smith, M. Robinson, and K. Talati Beneficiation of titaniferous ore with sulfuric acid U.S. Patent 7008602 2006
22. A.D. Stuart, G.A. Reynolds, and J.A. Lawson Production of titania form iron-containing solids US Patent 2007122325 2007
23. A.K. Temple Alteration of ilmenite Economic Geology 61 1966 695 714
24. Zengjie Wang, Jilai Xue, Haibei Wang, and Xunxiong Jiang Kinetic study of hydrochloric acid leaching process of ilmnite for rutile synthesis. Proceedings EPD Congress, TMS Annual Meeting, San Francisco S.M. Howard, The Minerals, Metals & Materials Society, Warrendale, PA 2009 837 843
25. N.J. Welham, and D.J. Llewellyn Mechanical enhancement of the dissolution of ilmenite Miner. Eng. 11 9 1998 827 841
26. S. Zhang, and M.J. Nicol An electrochemical study of the reduction and dissolution of ilmenite in sulfuric acid solutions Hydrometallurgy 97 3-4 2009 146 152