skip to main content

SciTech ConnectSciTech Connect

Title: Hydroxyapatite with environmental applications

The aim of this study was to synthetize new nanoparticles based on methyltrimethoxysilane coated hydroxyapatite (MTHAp) for lead removal in aqueous solutions. The morphological and compositional analysis of MTHAp was investigated by scanning electron microscopy (SEM) equipped with an energy dispersive X-ray spectrometer (EDS). Removal experiments of Pb{sup 2+} ions were carried out in aqueous solutions with controlled concentration of Pb{sup 2+} and at fixed pH of 5. After the removal experiment of Pb{sup 2+} ions from solutions, porous hydroxyapatite nanoparticles were transformed into PbMTHAp-5 via the adsorption of Pb{sup 2+} ions followed by a cation exchange reaction. Our results demonstrate that the porous hydroxyapatite nanoparticles can be used as an adsorbent for removing Pb{sup 2+} ions from aqueous solution.
Authors:
 [1] ; ;  [2] ; ;  [3] ;  [4] ;  [2] ;  [5] ;  [6]
  1. National Institute of Materials Physics, P.O. Box MG 07, Bucharest, Magurele, Romania and Faculty of Physics, University of Bucharest, 405 Atomistilor, CP MG-1, 077125 Magurele (Romania)
  2. National Institute of Materials Physics, P.O. Box MG 07, Bucharest, Magurele (Romania)
  3. University Politehnica of Bucharest, Faculty of Engineering and Management of Technological Systems, Department of Strength of Materials, 060032, Bucharest (Romania)
  4. ISTO, UMR 7327 CNRS-Université d'Orléans, 1A rue de la Férollerie 45071 Orléans Cedex 2 (France)
  5. (Romania)
  6. (France)
Publication Date:
OSTI Identifier:
22280348
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1599; Journal Issue: 1; Conference: 7. international conference on times of polymers (TOP) and composites, Ischia (Italy), 22-26 Jun 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; ADSORBENTS; ADSORPTION; APATITES; AQUEOUS SOLUTIONS; CONCENTRATION RATIO; ION EXCHANGE; LEAD COMPOUNDS; LEAD IONS; NANOSTRUCTURES; PARTICLES; POROUS MATERIALS; SCANNING ELECTRON MICROSCOPY; X-RAY SPECTROSCOPY