Photocatalytic degradation of bisphenol A by HMS/g-C<inf>3</inf>N<inf>4</inf> composite

Luo, Lijun, Tang, Wei, Barrow, Colin, Yang, Wenrong, Wang, Hongbin and Jiang, Fengzhi 2016, Photocatalytic degradation of bisphenol A by HMS/g-C3N4 composite, Desalination and water treatment, vol. 57, no. 60, pp. 29509-29516, doi: 10.1080/19443994.2016.1204365.

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Title Photocatalytic degradation of bisphenol A by HMS/g-C3N4 composite
Author(s) Luo, Lijun
Tang, Wei
Barrow, ColinORCID iD for Barrow, Colin
Yang, WenrongORCID iD for Yang, Wenrong
Wang, Hongbin
Jiang, Fengzhi
Journal name Desalination and water treatment
Volume number 57
Issue number 60
Start page 29509
End page 29516
Total pages 8
Publisher Taylor & Francis
Place of publication Abingdon, Eng
Publication date 2016
ISSN 1944-3994
Keyword(s) Photocatalysis
Mesoporous silica
Bisphenol A
Summary In this work, hexagonal mesoporous silica/g-C3N4 (HMS/C3N4) was synthesized by heating a mixture of self-prepared HMS and dicyandiamide. The as-prepared materials were characterized by transmission electron microscopy (TEM), X-ray diffractometer (XRD), Fourier transform infrared spectra (FT-IR) and Brunauer–Emmett–Teller analysis (BET). The prepared photocatalysts were applied to decompose bisphenol A (BPA) under UV light illumination. The mass ratios of HMS to melamine were optimized. The results showed that optimal mass ratios HMS to dicyandiamide was 1:1. Even though with the same catalyst dosage (1.0 g/L), the degradation kinetic rate constant of BPA over HMS/C3N4 (0.00526 min−1) was 1.76 times and 1.4 times than those on P25 (0.00298 min−1) and pure C3N4 (0.00383 min−1), while the rate constant of photolysis was only 0.00021 min−1. The enhanced photocatalytic activity of the HMS/C3N4 composite was ascribed to higher specific surface area and less aggregation compared to the pure C3N4. It is feasible and efficient to degrade BPA by HMS/C3N4 composite, which is easier to be separated than pure C3N4 after the pollutant has been removed completely.
Language eng
DOI 10.1080/19443994.2016.1204365
Field of Research 090410 Water Treatment Processes
090703 Environmental Technologies
090499 Chemical Engineering not elsewhere classified
090599 Civil Engineering not elsewhere classified
090799 Environmental Engineering not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Taylor & Francis
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