期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 93, 期 -, 页码 350-358出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2016.08.081
关键词
Biopolymers; Chitin; Hybrid materials; Manganese dioxide
Manganese dioxide (MnO2)-chitin-hybrid material was prepared by a facile one-pot synthesis method. MnO2-chitin hybrid was used for the effective removal of methylene blue (MB) from liquid solution as model for wastewater treatment. The hybrid obtained was characterized by field emission scanning electron microscopy and energy dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction and thermogravimetric analysis. The effect of pH and temperature were studied. MnO2-chitin hybrid showed high performance for oxidative decolorization and removal of MB. Typically, 25 mL of MB (20 mg/L) can be completely decolorized in 2.5 min with 8.5 mg of the MnO2-chitin hybrid. The hybrid material exhibited excellent recyclability and durability with the degradation value of 99% for MB after ten consecutive cycles. (C) 2016 Elsevier B.V. All rights reserved.
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