Separation of ionic mixtures in sorption columns with two liquid phases
Abstract
A new approach to the treatment of highly concentrated solutions of electrolytes in ion exchange
and sorption columns with zero bed porosity is proposed. The approach concerns reducing the inter-particle
space occupied by working solutions in columns by filling them with special organic liquids immiscible with
water. By a variety of examples, including the separation of nitric acid and nitrates for processing aluminium
concentrates, purification of working electrolytes for copper refining, conversion of potassium chloride into
chlorine-free fertilizers etc., the advantages of the proposed method are demonstrated and show that using the
new method in ion exchange and acid retardation processes does not affect the equilibrium separation
parameters, but significantly improves the kinetics by eliminating longitudinal dispersion effects. Also this
makes it possible to reduce the duration of working cycles, thereby raising the efficiency of the use of
separation columns.
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References
of strong acids from their salts // I&EC Process Design and Development. 2/4: 253-263
(1963)
2. Brown C.J. Fluid treatment method and apparatus, US Patent No 4673507, June 16,
(1987)
3. Sheedy M. Recoflo ion exchange technology. Proceedings of the TMS Annual
Meeting held in 1998 in San Antonio Texas (1998)
4. Ferapontov N.B., Parbuzina L.R., Gorshkov V.I., Strusovskaya N.L., Gagarin A.N.
Interaction of cross-linked polyelectrolytes with solutions of low-molecular-weight
electrolytes // React. Funct. Polym. 45: 145-153 (2000)
5. Davankov V.A., Tsyurupa M.P., Blinnikova Z.K., Pavlova L. Self-concentration
effects in preparative SEC of mineral electrolytes using nanoporous neutral polymeric
sorbents // J. Sep. Sci. 32/1: 64-73 (2009).
6. Knudsen K.C. The production of NPK fertilizers by ion exchange // J. Appl. Chem.
Biotechn. 24/11: 701–708 (1974)
7. Rendueles M., Fernandez A., Diaz M. Coupling of ion exchange with industrial
processes. Application in fertilizer production and modeling of the key elution step // Solv.
Extract. Ion Exch. 15/1: 143-168 (1997)
8. Khamizov R.Kh., Mironova L.I., Tikhonov N.A. Recovery of pure magnesium
compounds from Seawater by the use of IXISS-Effect // Sep. Sci. Techn. 31/1: 1-20 (1996)
9. Khamizov R.Kh., Tikhonov N.A., Myasoedov B.F. On General Character of the
IXISS-Effect // Doclady. Phys.Chem, 356: 216-218 (1997)
10. Muraviev D.N., Khamizov R.Kh., Tikhonov N.A. Ion Exchange Isothermal
supersaturation: Concept, Problems, and Applications. In Ion Exchange and Solvent
Extraction. A series of advances, Eds A. SenGupta, Y. Marcus, Marcel Dekker, New
York, 16, Chapter 3, 119-210 (2004)
11. Khamizov R.Kh., Ivanov V.A., Madani A.A. Dual-Temperature Ion Exchange: A
Review // React. Funct. Polym., 70: 521-530 (2010).
12. Kuznetsov I.A., Gorshkov V.I., Ivanov V.A., Kargov S.I., Korolev N.I., Filippov
S.M., Khamisov R.K., Ion exchange properties of immobilized DNA // Reactive Polymers.
3: 37-41 (1984).
13. Khamizov RKh, Krachak A.N., Podgornaya E.K., Khamizov S.Kh. The method for
carrying out sorption mass-exchange processes, apparatus for its implementation, industrial
plant for separation of the components of inorganic water solutions and apparatus for the
insulation of organic liquids from water solutions. Patent of Russian Federation No
2434679, November 27, 2011
14 Podgornaya E.K., Krachak A.N., Khamizov R.Kh. Application of sorption method
for the separation of acids and their salts in systems with to two liquid phases for the solution of sample preparing problems in elemental analysis // Sorption. i Khromatogr.
Processy, 11, 99-110 (2011) [in Russian]
15. Muraviev D.N., Khamizov R.Kh., Fokina O.V., Tikhonov N.A., Krachak A.N.,
Zhiguleva T.I. Clean Ion-Exchange Technologies. II. Recovery of High Purity Magnesium
Compounds from Seawater by Ion-Exchange Isothermal Supersaturation Technique //
Indust. Eng. Chem. Res.,37(6): 2496-2501 (1998)
