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Hierarchical CuO-ZnO/SiO_(2) Fibrous Membranes for Efficient Removal of Congo Red and 4‑Nitrophenol from Water

Advanced Fiber Materials 2022年第5期4卷 1069-1080页

作者： Caihong Wang Ke Liu Dong Wang Guomin Wang Paul KChu Zheyi Meng Xuefen Wang State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Material Science and EngineeringDonghua UniversityShanghai 201620China Key Laboratory of Textile Fiber and Products Ministry of EducationHubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials and ApplicationWuhan Textile UniversityWuhan 430200China Department of Physics Department of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongHong Kong 999077China

Hierarchical CuO-ZnO/SiO_(2)(CZS)nanofibrous membranes are designed and fabricated to remove Congo red and 4-nitro-phenol two common small molecular pollutants in *** electrospun SiO_(2) fibrous membrane is serves as the substrate for hydrothermal depositing CuO-ZnO *** CZS nanofibrous membrane shows good adsorption characteristics for Congo red due to the hierarchical morphology and the adsorption kinetics where isotherm follows the pseudo-second-order model and Langmuir model,*** maximum adsorption capacity for Congo red is 141.8 mg/***,the membrane exhibits excellent catalytic reduction activity for 4-nitrophenol under mild conditions and over 96%of the pollut-ants are degraded within 90 *** CZS nanofibrous membrane has promising prospects in applications in water treatment and environmental protection because of the good flexibility,easy fabrication,excellent adsorption,and catalytic activity.

关键词： Hierarchical nanofibrous membranes Hydrothermal deposition Electrospun inorganic membranes pollutant adsorption Catalytic degradation

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Research progress of graphene-based nanomaterials for the environmental remediation

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Chinese Chemical Letters 2020年第6期31卷 1462-1473页

作者： Xiaoru Pan Jiahui Ji Nana Zhang Mingyang Xing Department of Chemistry and Chemical Engineering Weifang UniversityWeifang 261061China Key Laboratory for Advanced Materials and Institute of Fine Chemicals East China University of Science and TechnologyShanghai 200237China

Graphene is a two-dimensional nanomaterial with huge surface area,high carrier mobility and high mechanical *** of its great potential in nanotechnology and environmental protection,it has attracted much attention in environmental and energy fields since its discovery in *** graphene is a star material,many reviews have introduced its use in terms of energy,the research progress in the field of environment,especially water pollution control,has been rarely ***,we review exhaustively the research progress of graphene-based materials in environmental pollution remediation in the past ten ***,the advantages and classification of graphene were ***,the research progress and main achievements of graphene and its composites in the fields of photocatalytic degradation,pollutant adsorption and water treatment were emphatically described,and the mechanism of action in the above fields was ***,we discuss the problems existing in the preparation and summarize the application of graphene in the environment.

关键词： Graphene Nanomaterial Photocatalytic degradation pollutant adsorption Water treatment

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