INVESTIGATING FACTORS THAT AFFECT SEPARATION IN A EUTECTIC FREEZE CRYSTALLISATION PROCESS

s of the International Mine Water Conference 19 – 23 October 2009 Proceedings ISBN Number: 978-0-9802623-5-3 Pretoria, South Africa Produced by: Document Transformation Technologies cc Conference organised by: Cilla Taylor Conferences INVESTIGATING FACTORS THAT AFFECT SEPARATION IN A EUTECTIC FREEZE CRYSTALLISATION PROCESS S.T. REDDY, H.J.M. KRAMER, A.E. LEWIS and J. NATHOO Crystallization and Precipitation Unit, Department of Chemical Engineering, University of Cape Town, Rondebosch, Cape Town, 7701, South Africa E-mail: Sarashree.Reddy@uct.ac.za Process & Energy Laboratory, Leeghwaterstraat 44, Delft University of Technology 2628 CA, Delft, The Netherlands

[1]  P. Pronk,et al.  Fluidized bed heat exchangers to prevent fouling in ice slurry systems and industrial crystallizers , 2006 .

[2]  H. Hojjati,et al.  Cooling and seeding effect on supersaturation and final crystal size distribution (CSD) of ammonium sulphate in a batch crystallizer , 2005 .

[3]  C. Himawan Characterization and Population Balance Modelling of Eutectic Freeze Crystallization , 2005 .

[4]  G. Witkamp,et al.  Inline determination of supersaturation and metastable zone width of MgSO4.12H2O with conductivity and refractive index measurement techniques , 2005 .

[5]  G. Marion,et al.  Mineral solubilities in the Na-K-Mg-Ca-Cl-SO4-H2O system: a re-evaluation of the sulfate chemistry in the Spencer-Møller-Weare model , 1999 .

[6]  A. Barduhn,et al.  Temperatures required for eutectic freezing of natural waters , 1979 .

[7]  R. Johnson,et al.  Development of a eutectic freezing process for brine disposal , 1974 .

[8]  R. Lewis,et al.  Conductivity of Sodium Sulfate Solutions Containing Sodium Hydroxide or Sulfuric Acid. , 1957 .

[9]  D. G. Randall,et al.  NOVEL TECHNOLOGY FOR RECOVERY OF WATER AND SOLID SALTS FROM HYPERSALINE BRINES: EUTECTIC FREEZE CRYSTALLIZATION , 2010 .

[10]  A. Diego,et al.  Empirical model of general application to fit (k, c, T) experimental data from concentrated aqueous electrolyte solutions , 1997 .

[11]  Y. Shirai,et al.  A method for making large agglomerated ice crystals for freeze concentration , 1996 .

[12]  Da Dick Swenne The eutectic crystallization of NaCl.2H2O and ice , 1983 .

[13]  E. S. Amis,et al.  Specific conductance of concentrated solutions of magnesium salts in water-ethanol system , 1972 .

[14]  E. Fluck,et al.  Gmelins Handbuch der anorganischen Chemie , 1936, Nature.