Photo-reduction of NO by g-C3N4@foamed ceramic

doi:10.1016/j.cjche.2020.02.020

中国化学工程学报 ›› 2020, Vol. 28 ›› Issue (7): 1840-1846.DOI: 10.1016/j.cjche.2020.02.020

• Catalysis, Kinetics and Reaction Engineering • 上一篇下一篇

Photo-reduction of NO by g-C₃N₄@foamed ceramic

Rui Zheng, Chunhu Li, Chengzhen Zhang, Wentai Wang, Liang Wang, Lijuan Feng, Junjie Bian

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

收稿日期:2019-12-02 修回日期:2020-02-13 出版日期:2020-07-28 发布日期:2020-08-31
通讯作者: Chunhu Li
基金资助:
This work was supported by Shandong Electric Power Construction Third Engineering Co., Ltd.(20173702021476); the "HUIMN Science and Technology" project of Qingdao(17-3-3-71-nsh); the High-concentration Organic Wastewater Adsorbent Production Process(20170903); and the National Natural Science Foundation of China(51602297, U1510109).

Photo-reduction of NO by g-C₃N₄@foamed ceramic

Rui Zheng, Chunhu Li, Chengzhen Zhang, Wentai Wang, Liang Wang, Lijuan Feng, Junjie Bian

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

Received:2019-12-02 Revised:2020-02-13 Online:2020-07-28 Published:2020-08-31
Contact: Chunhu Li
Supported by:
This work was supported by Shandong Electric Power Construction Third Engineering Co., Ltd.(20173702021476); the "HUIMN Science and Technology" project of Qingdao(17-3-3-71-nsh); the High-concentration Organic Wastewater Adsorbent Production Process(20170903); and the National Natural Science Foundation of China(51602297, U1510109).

摘要/Abstract

摘要： G-C₃N₄ was supported on the surface of foamed ceramic, and the g-C₃N₄@foamed ceramic was packed in the photocatalytic reactor in a layered manner. Effects of urea and H₂O₂ concentration on NO conversion were investigated. Pulse experiments were carried out to investigate the change of NO conversion with time under different concentrations of H₂O₂. The contribution of each route that NO converted and the selectivities of products were calculated. Results showed that the photo-reduction of NO accounted for 2%, and the photo-oxidation of NO accounted for 14%, and the rest was absorbed by the humidifier. Products include ammonia (NH+ 4-N), nitrogen (N₂), nitrite (NO-2-N) and nitrate (NO-3-N), of which N₂ accounted for 9%.

关键词: deNO_X, Photocatalysis, g-C₃N₄@foamed ceramic, Photo-reduction

Abstract: G-C₃N₄ was supported on the surface of foamed ceramic, and the g-C₃N₄@foamed ceramic was packed in the photocatalytic reactor in a layered manner. Effects of urea and H₂O₂ concentration on NO conversion were investigated. Pulse experiments were carried out to investigate the change of NO conversion with time under different concentrations of H₂O₂. The contribution of each route that NO converted and the selectivities of products were calculated. Results showed that the photo-reduction of NO accounted for 2%, and the photo-oxidation of NO accounted for 14%, and the rest was absorbed by the humidifier. Products include ammonia (NH+ 4-N), nitrogen (N₂), nitrite (NO-2-N) and nitrate (NO-3-N), of which N₂ accounted for 9%.

Key words: deNO_X, Photocatalysis, g-C₃N₄@foamed ceramic, Photo-reduction

Rui Zheng, Chunhu Li, Chengzhen Zhang, Wentai Wang, Liang Wang, Lijuan Feng, Junjie Bian. Photo-reduction of NO by g-C₃N₄@foamed ceramic[J]. 中国化学工程学报, 2020, 28(7): 1840-1846.

Rui Zheng, Chunhu Li, Chengzhen Zhang, Wentai Wang, Liang Wang, Lijuan Feng, Junjie Bian. Photo-reduction of NO by g-C₃N₄@foamed ceramic[J]. Chinese Journal of Chemical Engineering, 2020, 28(7): 1840-1846.

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Photo-reduction of NO by g-C₃N₄@foamed ceramic

Photo-reduction of NO by g-C₃N₄@foamed ceramic

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