Complete degradation of high-loaded phenol using tungstate-based ionic liquids with long chain substituent at mild conditions  被引量:3

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作  者:Yingying Yang Honglei Fan Tianbin Wu Guanying Yang Buxing Han 

机构地区:[1]Beijing National Laboratory for Molecular Sciences,CAS Key Laboratory of Colloid and Interface and Thermodynamics,Institute of Chemistry,Chinese Academy of Sciences,Beijing,100190,China [2]Education Research Center of Chaoyang District,Beijing,100021,China [3]School of Chemistry and Chemical Engineering,University of Chinese Academy of Sciences,Beijing,100049,China [4]College of Chemistry and Chemical Engineering,Yantai University,Yantai,China

出  处:《Green Energy & Environment》2023年第2期452-458,共7页绿色能源与环境(英文版)

基  金:financially supported by the National Natural Science Foundation of China(21875265,22293015,22121002)。

摘  要:Phenol in waste water threatens human health and is difficultly to be decomposed by nature.Efficient degradation of high-loaded phenol in water under mild condition is still a great challenge.Herein,ionic liquids with tungstate anion were designed and prepared.It was found that dodecyltrimethylammonium tungstate could catalyzed degradation of phenol into gases and water thoroughly at 323 k in 8 h.Tungstate anion revealed good catalytic oxidative activity and long carbon chain group connecting with cation of ionic liquids enriched phenol around catalysts,which induced the complete degradation of phenol at mild conditions.Increasing the amounts of hydrogen peroxide benefited to the total degradation of phenol.In addition,the ionic liquid could be reused for its excellent thermal stability.Our work provided a different strategy to treat waste water containing phenol efficiently.

关 键 词:Ionic liquid Oxidative degradation PHENOL TUNGSTATE Hydrogen peroxide 

分 类 号:X703[环境科学与工程—环境工程]

 

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