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制备高通量、抗污染PDA/PEI纳米颗粒膜用于农村含油生活污水处理

贺斌 马宇 高芳 赵晓丽

贺斌, 马宇, 高芳, 赵晓丽. 制备高通量、抗污染PDA/PEI纳米颗粒膜用于农村含油生活污水处理[J]. 环境科学研究, 2022, 35(7): 1547-1555. doi: 10.13198/j.issn.1001-6929.2022.03.24
引用本文: 贺斌, 马宇, 高芳, 赵晓丽. 制备高通量、抗污染PDA/PEI纳米颗粒膜用于农村含油生活污水处理[J]. 环境科学研究, 2022, 35(7): 1547-1555. doi: 10.13198/j.issn.1001-6929.2022.03.24
HE Bin, MA Yu, GAO Fang, ZHAO Xiaoli. Preparation of High Flux and Antifouling PDA/PEI Nanoparticle Membrane for Oil-Bearing Rural Domestic Wastewater Treatment[J]. Research of Environmental Sciences, 2022, 35(7): 1547-1555. doi: 10.13198/j.issn.1001-6929.2022.03.24
Citation: HE Bin, MA Yu, GAO Fang, ZHAO Xiaoli. Preparation of High Flux and Antifouling PDA/PEI Nanoparticle Membrane for Oil-Bearing Rural Domestic Wastewater Treatment[J]. Research of Environmental Sciences, 2022, 35(7): 1547-1555. doi: 10.13198/j.issn.1001-6929.2022.03.24

制备高通量、抗污染PDA/PEI纳米颗粒膜用于农村含油生活污水处理

doi: 10.13198/j.issn.1001-6929.2022.03.24
基金项目: 中国博士后科学基金(No.2021M700889);国家自然科学基金项目(No.42177065);广东省重点领域研发计划项目(No.2020B1111530001)
详细信息
    作者简介:

    贺斌(1977-),男,湖北恩施人,研究员,博士,主要从事流域水循环与污染控制等相关研究,bhe@soil.gd.cn

    通讯作者:

    ①马宇(1989-),男,江苏徐州人,博士,主要从事膜分离技术与农村地区污水处理等相关研究,yma@soil.gd.cn

    ②赵晓丽(1981-),女,河北邢台人,研究员,博士,博导,主要从事水质基准理论与方法学和纳米材料研究,zhaoxiaoli_zxl@126.com

  • 中图分类号: X703

Preparation of High Flux and Antifouling PDA/PEI Nanoparticle Membrane for Oil-Bearing Rural Domestic Wastewater Treatment

Funds: China Postdoctoral Science Foundation (No.2021M700889);National Natural Science Foundation of China (No.42177065);Guangdong Foundation for Program of Science and Technology Research, China (No.2020B1111530001)
  • 摘要: 水处理分离膜具有纳米尺度筛分孔道,虽适合分散式处理农村生活污水中油水乳化液,但膜污染严重,导致膜通量较低. 因此,设计抗污染、高通量水处理分离膜可实现农村含油生活污水高效处理. 本文采用真空辅助自组装技术,在高分子膜表面及内部负载聚多巴胺(PDA)/聚乙烯亚胺(PEI)纳米颗粒,制备了PDA-NP膜. 由于纳米颗粒含有丰富的亲水基团,改性后膜纯水通量及农村含油生活污水通量恢复率分别高达(741.23±17) L/(m2·h)及99.4%,实现了高通量、抗污染目标;另外,对农村含油生活污水TOC的去除率达45.12%,具有较强的实际意义.

     

  • 图  1  PDA-NPs膜制备过程示意

    Figure  1.  Fabrication procedure of PDA-NPs membrane

    图  2  PDA/PEI纳米颗粒形貌及化学组成

    Figure  2.  The morphology and chemical composition of PDA/PEI nanoparticles

    图  3  膜形貌及化学组成

    Figure  3.  The morphology and chemical composition of membrane

    图  4  纳米颗粒膜表面润湿性

    Figure  4.  Wettability of nanoparticle membrane

    图  5  纳米颗粒膜渗透及分离性能

    Figure  5.  The permeability and separation performance of nanoparticle membrane

    表  1  改性方法制备的油水分离膜汇总

    Table  1.   Summary of the oil/water separation membrane through modification methods

    膜类型样品类别压力/bar水通量/[(L/(m2·h)]截留率/%数据来源
    PDA-NP膜油水乳液0.1741.23±1799.2该研究
    RGO/PDA/g-C3N4油水乳液1~3099.5文献[29]
    ZNG-g-PVDF油水乳液0.1250099.8文献[30]
    Dopamine-KH550 and r/>TiO2 modified PVDF油水乳液0.9785~99文献[27]
    NiCo-LDH/PVDF composite油水乳液0.280099.5文献[28]
    mussel-inspired PVDF油水乳液0.4896.52~99文献[31]
    polydopamine-modified XLE RO油水乳液10.3~4799.9文献[32]
    SiO2-d-PK油水乳液1630099.9文献[33]
    PVDF/VTES/VP油水乳液119902±809<99.9文献[34]
    PAN油水乳液1227085文献[35]
    下载: 导出CSV
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  • 收稿日期:  2021-12-24
  • 修回日期:  2022-03-01

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