Mesoporous NiWO4 Nanospheres as Superior Absorbent in Organic Pollutant Treatment
In this paper, mesoporous NiWO4 nanospheres with chestnut-like shapes were synthesized by hydrothermal method without any additives at a relatively low temperature. The structure was characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR)
and the morphology was detected with scanning electron microscopy (SEM). The possible formation mechanism was discussed on the basis of the morphologies of NiWO4 at different time intervals. In addition, it has been found that the morphology of NiWO4 was dependent upon
the reaction temperature to some extent. Owing to its unique mesoporous structure and large specific surface area, the NiWO4 nanospheres exhibited a superior removal rate for anionic dyes compared with activated carbon. Importantly, mesoporous chestnut-like NiWO4 nanospheres
could preserve higher adsorption activity even after being recycled three times, suggesting it is an promising adsorbent in water treatment.
Keywords: Adsorbent; Chestnut-Like NiWO4; Mesoporous
Document Type: Research Article
Affiliations: College of Chemistry and Chemical Engineering, Anhui University, Hefei, 230601, People’s Republic of China
Publication date: 01 August 2016
- 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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