Journal
JOURNAL OF NANOPARTICLE RESEARCH
Volume 14, Issue 4, Pages -Publisher
SPRINGER
DOI: 10.1007/s11051-012-0828-2
Keywords
Magnetite nanoparticles; X-ray photoelectron spectrometry; Amine functionalization; Water treatment; Sustainable development
Categories
Funding
- United Water as a part of its commitment to innovation and responsible water management
- Australian Research Council Nanotechnology Network (ARCNN)
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Amine-functionalized magnetite nanoparticles are synthesized by a one pot water based process using N-[3-(trimethoxysilyl)propyl] diethylenetriamine (TRIS) as surfactant. The prepared functionalised nanoparticles are characterised by BET surface area measurements, X-ray diffraction, zeta potential measurement, and X-ray photoelectron spectrometry (XPS). The results clearly show the presence of TRIS on the surface of the nanoparticles. XPS analysis indicates the presence of very small amounts of maghemite on the surface of the magnetite nanoparticles. Water treatment test shows that the prepared nanoparticles are capable to remove natural organic matter (NOM) from natural water samples. The removal of NOM by the prepared particles is characterized by analysing the dissolved organic carbon (DOC) content and UV absorbance at 254 nm (UV254) after the treatment of the water samples at various doses and treatment times.
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