期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 333, 期 -, 页码 165-173出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2016.10.024
关键词
TiO2 photocatalysis; Porous boron nitride nanosheets; Wool dyeing effluent; Simultaneous dye and hexavalent chromium removal
资金
- Australian Research Council [DE150101617, DE140100716]
- National Natural Science Foundation of China [NSFC 51302197]
- Deakin University, Central Research Grant Scheme
- Australian Research Council [DE140100716] Funding Source: Australian Research Council
Titanium dioxide/porous boron nitride nanosheets (TiO2/P-BNNSs) were prepared to remove dyes (Lanaset Red 2B, LR2B) and heavy metals (hexavalent chromium, Cr (VI)) simultaneously in a simulated wool dyeing bath where pollutants (LR2B or Cr (VI)) and auxiliaries were simultaneously presented. Characterisations of TiO2/P-BNNSs were carried out by X-ray diffraction (XRD), Flourier transform infrared spectroscopy (FTIR), Transmission electron microscopy (TEM) and N2 adsorption desorption equilibrium. Application of TiO2/P-BNNSs for the treatment of LR2B alone, Cr (VI) alone and their mixture in the simulated wool dyeing bath was discussed. Both LR2B and Cr (VI) removal were decreased in the ternary system (LR2B/Cr (VI)/(TiO2/P-BNNSs)) compared with those in their respective binary systems (LR2B/(TiO2/P-BNNSs) or Cr (VI)/(TiO2/P-BNNSs)) in the simulated wool dyeing bath. In spite of these decreases, simultaneousLR2B and Cr (VI) removal was achieved after 5 successive-cycles of use of TiO2/PBNISs, which particularly maintained the durabilityfor LR2B removal, implicating their potential for real wool dyeing effluent treatment. (C) 2016 Elsevier B.V. All rights reserved.
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