Adsorption of Phenanthrene and Bisphenol A on Organo-Nano Iron Oxide Complexes

Abstract:

Organo-mineral complexes are important in regulating the transport and retention of hydrophobic organic contaminants in soils/sediments. Humic acid will be fractionated during adsorption on mineral. This study examined the sorption of model compounds with different properties (tannin acid, gallic acid, fumaric acid sodium and sodium oleate) on nanoiron oxide minerals and determined the sorption of phenanthrene and Bisphenol A on these organooxide complexes. The results showed that the sorption of model compounds on nanoFe₂O₃ followed the order of O > T > G> F. The higher adsorption of O and T was likely attributed to their higher molecule weight. The sorption of PHE and BPA on organomineral complexes was controlled by hydrophobic interactions. HOCs will adsorb preferentially on hydrophobic aliphatic compositions of organic matter.

• Periodical: Advanced Materials Research (Volumes 864-867)
• Pages: 1793-1797
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.864-867.1793
• Online since: December 2013
• Authors: Ni Liang, Di Zhang*, Min Wu
• Keywords: Model Compounds, Organo-Oxide Complexes, Polycyclic Aromatic Hydrocarbons (PAHs)

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