Enhancement of UV-assisted TiO2 degradation of ibuprofen using Fenton hybrid process at circumneutral pH

作者: Meijuan Chen , Wei Chu , Jingzi Beiyuan , Yu Huang

DOI: 10.1016/S1872-2067(18)63070-0

关键词: KineticsReagentIrradiationCatalysisChemistryNuclear chemistryPhotocatalysisWastewaterUltraviolet lightDegradation (geology)

摘要: Abstract A synergistic UV/TiO2/Fenton (PCF) process is investigated for the degradation of ibuprofen (IBP) at circumneutral pH. The IBP decay in PCF much faster than that with conventional UV, UV/H2O2, Fenton, photo-Fenton, and photocatalysis processes. kinetics analysis showed follows a two-stage pseudo-first order profile, is, fast (k1) followed by slow (k2). effects various parameters, including initial pH level, dosage Fenton's reagent TiO2, wavelength UV irradiation, concentration, are evaluated. optimum [Fe2+]0, [Fe2+]0/[H2O2]0 molar ratio, [TiO2]0 determined to be approximately 4.22, 0.20 mmol/L, 1/40, 1.0 g/L, respectively. (i.e., 6.0–8.0 wastewater) shows same efficiency as 4.22 after 30 min, which suggests applicable treatment wastewater range. lnk1 lnk2 observed linearly correlated 1/pH0, [IBP]0, [H2O2]0, [H2O2]0/[Fe2+]0 ln[TiO2]0. Mathematical models therefore derived predict decay.

参考文章(33)
Beata Tryba, Antoni W. Morawski, Michio Inagaki, Masahiro Toyoda, The kinetics of phenol decomposition under UV irradiation with and without H2O2 on TiO2, Fe-TiO2 and Fe-C-TiO2 photocatalysts Applied Catalysis B-environmental. ,vol. 63, pp. 215- 221 ,(2006) , 10.1016/J.APCATB.2005.09.011
Zhi-Hao Wen, Ling Chen, Xiang-Zhou Meng, Yan-Ping Duan, Zeng-Sheng Zhang, Eddy Y. Zeng, Occurrence and human health risk of wastewater–derived pharmaceuticals in a drinking water source for Shanghai, East China Science of The Total Environment. ,vol. 490, pp. 987- 993 ,(2014) , 10.1016/J.SCITOTENV.2014.05.087
Dong Shu, Jinqing Wu, Yibing Gong, Shuzhen Li, Lingling Hu, Yichang Yang, Chun He, BiOI-based photoactivated fuel cell using refractory organic compounds as substrates to generate electricity Catalysis Today. ,vol. 224, pp. 13- 20 ,(2014) , 10.1016/J.CATTOD.2013.12.017
Fabiola Méndez-Arriaga, Santiago Esplugas, Jaime Giménez, Degradation of the emerging contaminant ibuprofen in water by photo-Fenton. Water Research. ,vol. 44, pp. 589- 595 ,(2010) , 10.1016/J.WATRES.2009.07.009
B. Iurascu, I. Siminiceanu, D. Vione, M.A. Vicente, A. Gil, Phenol degradation in water through a heterogeneous photo-Fenton process catalyzed by Fe-treated laponite. Water Research. ,vol. 43, pp. 1313- 1322 ,(2009) , 10.1016/J.WATRES.2008.12.032
Jinhui Zeng, Bin Yang, Xiaoping Wang, Zhongjian Li, Xingwang Zhang, Lecheng Lei, Degradation of pharmaceutical contaminant ibuprofen in aqueous solution by cylindrical wetted-wall corona discharge Chemical Engineering Journal. ,vol. 267, pp. 282- 288 ,(2015) , 10.1016/J.CEJ.2015.01.030
Xiaoping Wang, Yuxin Tang, Zhong Chen, Teik-Thye Lim, Highly stable heterostructured Ag–AgBr/TiO2 composite: a bifunctional visible-light active photocatalyst for destruction of ibuprofen and bacteria Journal of Materials Chemistry. ,vol. 22, pp. 23149- 23158 ,(2012) , 10.1039/C2JM35503E
Amrita Pal, Karina Yew-Hoong Gin, Angela Yu-Chen Lin, Martin Reinhard, Impacts of emerging organic contaminants on freshwater resources: Review of recent occurrences, sources, fate and effects Science of The Total Environment. ,vol. 408, pp. 6062- 6069 ,(2010) , 10.1016/J.SCITOTENV.2010.09.026
Dieqing Zhang, Meicheng Wen, Shanshan Zhang, Peijue Liu, Wei Zhu, Guisheng Li, Hexing Li, Au nanoparticles enhanced rutile TiO2 nanorod bundles with high visible-light photocatalytic performance for NO oxidation Applied Catalysis B-environmental. ,vol. 147, pp. 610- 616 ,(2014) , 10.1016/J.APCATB.2013.09.042