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Characterization and Water Activation Behavior of Tourmaline Nanoparticles

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Tourmaline nanoparticles were prepared by using a wet mechanochemisty method. The X-ray diffraction (XRD) and scanning electron microscopy (SEM) results showed that the tourmaline grain size is in the range from tens of nanometers to several hundred nanometers. Through characterization by Fourier transform infrared spectroscope, it was found that the milled tourmaline had a better far infrared emitting performance due to the increase of radiation surface area. The structure change of liquid water clusters induced by the addition of tourmaline nanoparticles was observed by nuclear magnetic resonance (NMR). The results showed that the addition of tourmaline nanoparticles reduced the 17O NMR full width at half maximum intensity (FWHM) for treated water and the volume of water molecule clusters. The feature of activated water was enhanced with decreasing tourmaline nanoparticles size due to the cooperation of strong surface electric field and high far infrared emissivity. Moreover the activation time can be maintained at 480 h suggesting the potential application of tourmaline in wastewater treatment.
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Document Type: Research Article

Publication date: 2010-03-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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