High specific surface area of grapheme (GR) has gained special scientific attention in developing magnetic GR nanocomposite aiming to apply for the remediation of diverse environmental problems like point-of-use water purification and simultaneous separation of contaminants applying low external magnetic field (<1.0 T) from ground water. Fabrication of magnetic manganese-incorporated iron(III) oxide (MnX2+Fe2-x3+O42−) (IMBO)–GR nanocomposite is reported by exfoliating the GR layers. Latest microscopic, spectroscopic, powder X-ray diffraction, BET surface area, and superconducting quantum interference device characterizations showed that the material is a magnetic nanocomposite with high specific surface area (280 m2g-1) and pore volume (0.3362 cm3g-1). Use of this composite for the immobilization of carcinogenic As(III) from water at 300 K and pH ~7.0 showed that the nanocomposite has higher binding efficiency with As(III) than the IMBO owing to its high specific surface area. The composite showed almost complete (>99.9 %) As(III) removal (≤10 μg L-1) from water. External magnetic field of 0.3 T efficiently separated the water dispersed composite (0.01 g/10 mL) at room temperature (300 K). Thus, this composite is a promising material which can be used effectively as a potent As(III) immobilizer from the contaminated groundwater (>10 μg L-1) to improve drinking water quality.
CITATION STYLE
Nandi, D., Gupta, K., Ghosh, A. K., De Amitabha, D. A., Banerjee, S., & Ghosh, U. C. (2014). Manganese-incorporated iron(III) oxide–graphene magnetic nanocomposite: Synthesis, characterization, and application for the arsenic(III)-sorption from aqueous solution. In Nanotechnology for Sustainable Development, First Edition (pp. 149–162). Springer International Publishing. https://doi.org/10.1007/978-3-319-05041-6_12
Mendeley helps you to discover research relevant for your work.