Influence of temperature and pH on the quality of metastable iron phases produced in zinc-rich solutions

Hydrometallurgy - Tập 86 - Trang 178-190 - 2007
J.O. Claassen1, R.F. Sandenbergh1
1Department of Materials Science and Metallurgical Engineering, University of Pretoria, Pretoria 0002, South Africa

Tài liệu tham khảo

Ashurst, 1977, The thermodynamics of the formation of sulphate complexes of iron(III), cobalt(II), iron(II), manganese(II) and copper(II) in perchlorate medium, vol. 1914 Babcan, 1971, Synthesis of jarosite — KFe3(SO4)2(OH)6, Geol. Zb., 22, 299 Barham, 1997, Schwertmannite, a unique mineral, contains a replaceable ligand, transforms to jarosites, hematites, and/or basic iron sulphate, J. Mater. Res., 12, 2751, 10.1557/JMR.1997.0366 Bigham, 1990, A poorly crystallized oxyhydroxysulfate of iron formed by bacterial oxidation of Fe(II) in acid mine waters, Geochim. Cosmochim. Acta, 54, 2743, 10.1016/0016-7037(90)90009-A Bigham, 1994, Schwertmannite, a new iron oxyhydroxy-sulphate from Pyhasalmi, Finland, and other localities, Min. Mag., 58, 641, 10.1180/minmag.1994.058.393.14 Bigham, 1996, Schwertmannite and the chemical modeling of iron in acid surface waters, Geochim. Cosmochim. Acta, 60, 2111, 10.1016/0016-7037(96)00091-9 Brady, 1986, Influence of sulfate on Fe-oxide formation: comparisons with a stream receiving acid mine drainage, Clays Clay Miner., 34, 266, 10.1346/CCMN.1986.0340306 Claassen, J.O., 2005. Product quality parameters in the reaction crystallization of metastable iron phases from zinc-rich solutions. PhD Thesis, University of Pretoria, Pretoria, South Africa, pp. 136. Claassen, 2002, Iron removal from zinc-rich process solutions: defining the Zincor Process, Hydrometallurgy, 67, 87, 10.1016/S0304-386X(02)00141-X Claassen, 2003, Recent developments in iron removal and control at the Zinc Corporation of South Africa, 1675 Cornell, 1996, 573 David, 2001, Reaction crystallization, 832 Demopoulos, 1993, Precipitation in aqueous processing of inorganic materials: a unified colloid-crystallization approach to the production of powders with controlled properties, 537 Demopoulos, 2003, Short course: aqueous precipitation and crystallization for the production of particulate solids with desired properties Dirksen, 1991, Fundamentals of crystallization: kinetic effects on particle size distribution and morphology, Chem. Eng. Sci., 46, 2389, 10.1016/0009-2509(91)80035-W Garside, 1972, J. Cryst. Growth, 13/14, 510, 10.1016/0022-0248(72)90290-4 Gösele, 1990, Feststoffbildung durch fällung, Chem. Ing. Tech., 62, 544, 10.1002/cite.330620706 Jambor, 1998, Occurrence and constitution of natural and synthetic ferrihydrite, a widespread iron oxy-hydroxide, Chem. Rev., 98, 2549, 10.1021/cr970105t Kind, 2002, Colloidal aspects of precipitation processes, Chem. Eng. Sci., 57, 4287, 10.1016/S0009-2509(02)00345-7 Loan, 2001, Iron oxy-hydroxide crystallization in a hydrometallurgical residue, J. Cryst. Growth, 235, 482, 10.1016/S0022-0248(01)01791-2 Mersmann, 2001, Fundamentals of crystallization, 832 Mullin, 1972 Mullin, 1976, Discuss. Faraday Soc., 61, 141, 10.1039/dc9766100141 Nielsen, 1964, 379 Nielsen, 1967, 419 Nyvlt, 1982 Nyvlt, 1985, The Kinetics of Industrial Crystallization, vol. 19, 350 Sakamoto, 1976, Agglomeration of crystalline particles of gibbsite during the precipitation in sodium aluminate solutions, Light Met., 2, 149 Yamada, 1980, Nucleation and aggregation during crystallization of aluminium tri-oxide in sodium aluminate solution, J. Jpn. Inst. Light Met., 32, 720, 10.2464/jilm.30.720 Yakovlev, 1977, Hydrolysis of iron(III) sulphate in zinc sulphate solutions at 25, 50 and 80 °C, Russ. J. Inorg. Chem., 22, 27