Enhancement of the Cr(VI) adsorption and photocatalytic reduction activity of g-C3N4 by hydrothermal treatment in HNO3 aqueous solution
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- 作者：Hongtao Weia ; Qian Zhangb ; Yongcai Zhangb ; zhangyc@yzu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Zhanjun Yangb ; Aiping Zhub ; Dionysios D. Dionysiouc ; dionysdd@ucmail.uc.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Graphitic carbon nitride ; Hydrothermal treatment ; Adsorption ; Photocatalytic reduction ; Hexavalent chromium
- 刊名：Applied Catalysis A: General
- 出版年：2016
- 出版时间：5 July 2016
- 年：2016
- 卷：521
- 期：Complete
- 页码：9-18
- 全文大小：1936 K
文摘
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Hydrothermal treatment in HNO3 aqueous solution is adopted to modify g-C3N4.
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Treated g-C3N4 exhibits enhanced adsorption and photocatalytic reduction of Cr(VI).
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Hydrothermal treatment conditions affect the structure and performance of g-C3N4.
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Reasons for improved performance of treated g-C3N4 are discussed.
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Different photocatalytic Cr(VI) reduction mechanisms over g-C3N4 and treated g-C3N4.