首页|In-situ growth of MIL-53(Fe)on charcoal sponge as a highly efficient and recyclable photocatalyst for removal of Cr(Ⅵ)
In-situ growth of MIL-53(Fe)on charcoal sponge as a highly efficient and recyclable photocatalyst for removal of Cr(Ⅵ)
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The application of metal-organic frameworks(MOFs)is hindered by several crucial factors,including low photocatalytic efficiency,poor stability and challenges in recycling.In this study,MIL-53(Fe)was grown in situ on a charcoal sponge(CS)with a large surface area,excellent mechanical properties,and high photocatalytic efficiency using a solvothermal method,thus addressing the above-mentioned shortcomings of MOF materials.Notably,CS/MIL-53(Fe)has an amazing light-harvesting capacity in the visible range,leading to a significant improvement in the utilization of light.The results of the experiments indicate that CS/MIL-53(Fe)displays a higher photocatalytic activity(87％Cr(Ⅵ))when exposed to visible light than CS(58％)or MIL-53(Fe)(27％),attributing to the increased separation of photogenerated carriers.e-is the main reactive radical and dominates the photocatalytic reduction process,rooting from that e-can reduce Cr(Ⅵ)to low-toxicity Cr(Ⅲ).This study presents a novel method for constructing photocatalysts with large surface areas,superior mechanical characteristics,and enhanced photocatalytic performance.Additionally,it achieves the resource utilization of agricultural and forestry waste.
Zhuo-Fan Yu、Ye Yang、Hai-Feng Zhuang、Sheng-Dao Shan、Mihail-Simion Beldean-Galea、Qing-Quan Xue、Xiao-Feng Shen、Shi-Jie Li
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Key Laboratory of Recycling and Eco-Treatment of Waste Biomass of Zhejiang Province,School of Environmental and Natural Resources,Zhejiang University of Science and Technology,Hangzhou 310023,China
Faculty of Environmental Science and Engineering,Babeş-Bolyai University,400294 Cluj-Napoca,Romania
Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province,Interdisciplinary Research Academy(IRA),Zhejiang Shuren University,Hangzhou 310015,China
National Engineering Research Center for Marine Aquaculture,Institute of Innovation & Application,Zhejiang Ocean University,Zhoushan 316022,China
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Key Technologies of Carbonization and Sustainable Utilization of Urban Perishable Waste Driven by Data and KnowledgeZhejiang Province"Three Rural Nine"Science and Technology Cooperation Plan Unveiled the ProjectNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaMajor Projects for Science and Technology Development of Zhejiang ProvinceBasic Research Expenses of Zhejiang University of Science and Technology
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