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IJC-A Vol.46A(03) [March 2007] >


Title: Kinetics, thermodynamics and sorption characteristics of an inorganic ion exchanger, titanium phosphate, towards first row transition metal ions
Authors: Maheria, Kalpana
Chudasama, Uma
Issue Date: Mar-2007
Publisher: CSIR
IPC CodeInt. Cl. ⁸ B01J39/02
Abstract: Amorphous titanium phosphate, an inorganic ion exchanger of the class of tetravalent metal acid salt, has been synthesized by sol-gel method, and characterized for elemental analysis (ICP-AES), spectral analysis (FT-IR), thermal analysis (TGA, DTA, DSC) and X-ray diffraction studies. Chemical resistivity of the material has been assessed in various media, i.e., acids, bases and organic solvents. The Na⁺ ion exchange capacity has been deter-mined and effect of heating on the ion exchange capacity has been studied. The sorption/ion exchange behaviour of the exchanger towards Cu(II), Mn(II), Ni(II) and Zn(II) has been studied at dif-ferent temperatures (313 K, 323 K and 333 K). Kinetic and ther-modynamic parameters have been evaluated and adsorption iso-therms have been studied. Based on the above studies the selectiv-ity order is found to be: Mn(II) > Ni(II) > Cu(II) > Zn(II).
Page(s): 449-454
ISSN: 0376-4710
Source:IJC-A Vol.46A(03) [March 2007]

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