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Preparation and Characterization of 3D Nano Fe2O3–TiO2@Activated Carbon Fiber Membrane for Waste Water Treatment

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A three dimensional nano Fe2O3–TiO2@activated carbon fiber membrane was fabricated by a modified electrospinning process. The physical and chemical properties of the fiber membrane were characterized by SEM, TEM, EDS, XRD, Raman, XPS and DRS, respectively. The results indicate that the fiber membrane prepared at 750 °C for 5 h is composed of nano TiO2, α-Fe2O3 and mesoporous activated carbon fibers with a specific surface area of 184.8 m2/g and abundant mesopores. All these characteristics make the membrane possess high adsorptive and visible-light excitable photocatalytic properties simultaneously. The water purification results show that this composite membrane can be reused for more than 10 times to totally remove the methyl orange in a 50 mL simulated dye waste water with a content of 20 mg/L. While in a simulated heavy metal waste water, this membrane can also be cyclic used for the removal of Cu(II) and As(V) ions with an efficiency more than 90%. The hybrid purification technique is hopeful to be widely used for the treatment of organic or heavy metal waste waters.
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Keywords: Activated Carbon; Electrospinning; Fe2O3–TiO2; Fiber Membrane; In-Situ Growth

Document Type: Research Article

Affiliations: School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China

Publication date: August 1, 2017

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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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