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J Hazard Mater. 2009 Dec 15;172(1):129-37. doi: 10.1016/j.jhazmat.2009.06.154. Epub 2009 Jul 4.

Synthesis and characterization of zirconium titanium phosphate and its application in separation of metal ions.

Author information

1
Applied Chemistry Department, Faculty of Technology and Engineering, The M.S. University of Baroda, Vadodara 390001, Gujarat, India. rpt75@rediffmail.com

Abstract

An advanced inorganic ion exchanger, zirconium titanium phosphate (ZTP) of the class of tetravalent bimetallic acid (TBMA) salt has been synthesized by sol-gel route. ZTP has been characterized for ICP-AES, TGA, FTIR and XRD. Chemical stability of the material in various media-acids, bases and organic solvents has been assessed. Cation exchange capacity (CEC) and effect of calcination (100-500 degrees C) on CEC has also been studied. Distribution behaviour of metal ions Co2+, Ni2+, Cu2+, Zn2+ (d-block), Cd2+, Hg2+, Pb2+, Bi3+ (heavy) and La3+, Ce3+, Th4+, UO(2)2+ (f-block) towards ZTP has been studied and distribution coefficient (K(d)) determined in aqueous as well as various electrolyte media/concentrations. Based on the differential selectivity, breakthrough capacity (BTC) and elution behaviour of various metal ions towards ZTP, a few binary and ternary metal ion separations have been carried out.

PMID:
19635644
DOI:
10.1016/j.jhazmat.2009.06.154
[Indexed for MEDLINE]

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