Synthesis and Characterization of Hydroxyapatite Nanoparticles for Environmental Applications

Luis Ayala, Maribel Guzman, Betty C. Galarreta, Jose E. Herrera, Ya Huei Chin, William Broomhead

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The present research presents the synthesis of nanoparticles of hydroxyapatite (Nps-Hap) and its potential uses for cadmium and chromium removal from contaminated effluents. The Nps-Hap obtained by chemical reaction were characterized with Scanning Electron Microscopy-Energy Dispersive X-Ray Spectroscopy (SEM-EDAX), X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM) and Brunauer–Emmett–Teller (BET) isotherm analysis. The Ca/P calculated from EDAX analysis was 1.78. The synthesized nanoparticles show a surface area of 140.5 m2.g-1 and a pore radius of 7 nm. The results of XRD analysis showed the presence of Hap phases. TEM images show semispherical and elongated nanoparticles with mean diameter of 36.7 nm ± 13.5 nm. The removal kinetics showed that cadmium is removed more effectively than chromium, at pHs of 3 and 5 respectively.

Original languageEnglish
Title of host publicationProceedings of the 8th World Congress on Recent Advances in Nanotechnology, RAN 2023
EditorsWolfgang Ensinger, Josef Jampilek
PublisherAvestia Publishing
ISBN (Print)9781990800160
DOIs
StatePublished - 2023
Event8th World Congress on Recent Advances in Nanotechnology, RAN 2023 - Lisbon, Portugal
Duration: 23 Mar 202325 Mar 2023

Publication series

NameWorld Congress on Recent Advances in Nanotechnology
ISSN (Electronic)2371-5308

Conference

Conference8th World Congress on Recent Advances in Nanotechnology, RAN 2023
Country/TerritoryPortugal
CityLisbon
Period23/03/2325/03/23

Keywords

  • cadmium
  • chromium
  • hydroxyapatite
  • metal removal
  • nanoparticles

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