Synthesis, characterization, and application of tamarind nitrilotriacetic acid resin in removal of heavy metal ions from industrial effluent

A new tamarind‐based resin containing nitrilotriacetic acid group was synthesized. The nitrilotriacetic acid group has been incorporated onto tamarind by a modified Porath's method of functionalization of polysaccharides. Tamarind nitrilotriacetic acid (TNTAA) resin can selectively separate hea...

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Bibliographic Details
Published in:Environmental progress 2013-04, Vol.32 (1), p.103-108
Main Authors: Singh, A.V., Singh, Rakesh
Format: Article
Language:English
Subjects:
Adsorption
Applied sciences
Chemical engineering
distribution coefficient
Exact sciences and technology
General purification processes
industrial effluent
Pollution
tamarind nitrilotriacetic acid resin
Wastewaters
Water treatment and pollution
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Summary:A new tamarind‐based resin containing nitrilotriacetic acid group was synthesized. The nitrilotriacetic acid group has been incorporated onto tamarind by a modified Porath's method of functionalization of polysaccharides. Tamarind nitrilotriacetic acid (TNTAA) resin can selectively separate heavy metal ions from industrial effluent. The TNTAA resin was characterized by Fourier transform infrared spectroscopy. The distribution coefficient (Kd) of metal ions at different pH was studied using batch equilibration method. The effects of pH, treatment time, and adsorbent dose, on the removal of metal ions from industrial effluent were investigated. The resin is amenable for continuous process and can be regenerated several times. The adsorption of different metal ions on TNTAA resin follows the order: Fe (II) > Zn (II) > Cu (II) > Cd (II) > Pb (II). © 2011 American Institute of Chemical Engineers Environ Prog, 32: 103–108, 2013.
ISSN:1944-7442
1944-7450
DOI:10.1002/ep.10619