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Effective Decolorization of Rhodamine B by a Ti Foam-Based Photocatalytic Membrane Reactor
Chen, Xiaoping; Wei, Yuansong; Chen, Bohong; Fu, Jiaqi
2020-11-24
Source PublicationACS OMEGA
ISSN2470-1343
Volume5Issue:46Pages:30088-30094
AbstractIn this study, a Ti foam-based photocatalytic membrane reactor (PMR) was constructed for rhodamine B (RhB) wastewater decolorization. Ti foam was chosen as a membrane and visible-light-driven C3N4 was chosen as a photocatalyst. The results showed that the decolorization efficiency could be up to 100% with a flow rate of 6.93 mL/min when the PMR was applied in the treatment of a 30 mg/L RhB solution and the concentration of C3N4 was 1 g/L. pH played an important role in the decolorization performance of the PMR. Alkalinity was not conducive to the decolorization of RhB in the PMR, which was mainly due to the property that RhB was difficult to dissolve in an alkaline solution. Membrane fouling was mainly caused by a C3N4 photocatalyst, while the effect of RhB on membrane fouling was negligible. Membrane fouling could be retarded when the PMR was applied for RhB treatment under visible-light irradiation, which was because of photoinduced hydrophilicity of C3N4. The membrane flux could be restored to its initial values after simple ultrasonic cleaning and backwashing. This was due to the large difference between the pore size of Ti foam and the particle size of C3N4 and the super hydrophilicity of Ti foam and C3N4.
Department水污染控制实验室
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/45027
Collection水污染控制实验室
Recommended Citation
GB/T 7714
Chen, Xiaoping,Wei, Yuansong,Chen, Bohong,et al. Effective Decolorization of Rhodamine B by a Ti Foam-Based Photocatalytic Membrane Reactor[J]. ACS OMEGA,2020,5(46):30088-30094.
APA Chen, Xiaoping,Wei, Yuansong,Chen, Bohong,&Fu, Jiaqi.(2020).Effective Decolorization of Rhodamine B by a Ti Foam-Based Photocatalytic Membrane Reactor.ACS OMEGA,5(46),30088-30094.
MLA Chen, Xiaoping,et al."Effective Decolorization of Rhodamine B by a Ti Foam-Based Photocatalytic Membrane Reactor".ACS OMEGA 5.46(2020):30088-30094.
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