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Occurrence and distribution characteristics of heavy metals in the surface water of Yongding River Basin, China
Jiang, Jingqiu; Zhao, Gaofeng; Xu, Yiping; Zhao, Jian; Liu, Lin; Liu, Chengyou; Wang, Dewang; Li, Yunpeng
2021-12-22
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0926-3373
Volume298Pages:-
AbstractEnergy recovery from wastewater treatment is attracting tremendous research interests since the environmental and energy issues can be simultaneously addressed. Photocatalytic fuel cell (PFC) provides a sustainable way for water purification and electricity generation, but its performance has been restricted by the poor mass and charge transfer. Herein, we demonstrated an integrated PFC platform by mimicking the metabolic processes in human body. Inspired by the purification of metabolites in the microstructure of liver lobules, flow-through TiO2 photoanode with numerous microchannels was developed. Compared to traditional PFC with planar photoanode, the biomimetic microflow PFC exhibited 3 to 5-fold enhancements in the removal efficiencies of various organic pollutants, including perfluorooctanoic acid, 4-chlorophenol, bisphenol A, methylene blue, and amoxicillin. To mimic the breathing process in alveoli, an ultrathin air cathode was fabricated by sputtering Pt (loading as small as 0.01 mg cm(-2)) on nanoporous polyethylene film, contributing to fast oxygen diffusion and abundant gas-liquid-solid three-phase reactive sites. The construction of this dual-biomimetic PFC system resulted in an open circuit voltage of 0.92 V and a record-high power output of 500 mu W cm(-2) under simulated solar light. The series connection of modularized reactors allowed for the successive purification of wastewater by self-generated electricity. Thus, this work opens up new opportunities of biomimetic photocatalytic system for addressing the water-energy nexus.
Department中国科学院饮用水科学与技术重点实验室
KeywordOrganic wastewater Energy recovery Photoelectrocatalysis Biomimetics Mass transfer
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46917
Collection中国科学院饮用水科学与技术重点实验室
Affiliation1.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, 12 South Zhongguancun Ave, Beijing 100081, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, 18 Shuangqing Rd, Beijing 100085, Peoples R China
3.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
4.River Reservoir Management Serv Ctr Liaoning Prov, Shisiwei Rd 5, Shenyang 110003, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Jingqiu,Zhao, Gaofeng,Xu, Yiping,et al. Occurrence and distribution characteristics of heavy metals in the surface water of Yongding River Basin, China[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2021,298:-.
APA Jiang, Jingqiu.,Zhao, Gaofeng.,Xu, Yiping.,Zhao, Jian.,Liu, Lin.,...&Li, Yunpeng.(2021).Occurrence and distribution characteristics of heavy metals in the surface water of Yongding River Basin, China.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,298,-.
MLA Jiang, Jingqiu,et al."Occurrence and distribution characteristics of heavy metals in the surface water of Yongding River Basin, China".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 298(2021):-.
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