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An original strategy for immobilization of photocatalyst on the gelatinous membrane surface to fabricate the composite photocatalytic membrane through submerged precipitated phase inversion method based on the gel property of organic casting solution was proposed to solve the problem of membrane fouling and photocatalyst recovery. The effect of photocatalyst on the structure and performance of the composite photocatalytic membrane was studied systematically. With the increase of photocatalyst load, the micropore of the composite photocatalytic membrane was occupied by the photocatalyst to form a uniform and complete photocatalytic layer, which contributed to improve the optical property, hydrophilicity and water flux of the composite photocatalytic membrane. The water flux was 628L/(m2·h), 92.76% and 41.53% of fluvastatin and TOC were removed by the composite photocatalytic membrane with ZnIn2S4 loading of 1.2mg/cm2. Compared with PVDF membrane, the permeability and photocatalytic performance were enhanced and the stability of performance was demonstrated during the long-term operation. The outstanding antifouling performance of the composite photocatalytic membrane was confirmed due to the photocatalytic degradation of pollutant adsorbed on the membrane surface or pore. The stable immobilization of photocatalyst and efficient utilization of incident light were simultaneously achieved for the composite photocatalytic membrane. The structure and performance of the composite photocatalytic membrane were also regulated. A feasible way for beneficial combination of photocatalysis and membrane separation was provided.

, authors=Ting-ting LIU*, Jian BAI, Yu-xuan ZHANG, authorsList=Ting-ting LIU, Jian BAI, Yu-xuan ZHANG, authorCompany=null, correspAuthors=Ting-ting LIU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314917469148512946, articleId=1314917468557116080, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=表面复合光催化膜的制备及去除污染物性能, columnId=1234106386565624579, journalTitle=中国环境科学, columnName=水污染与控制, runingTitle=null, highlight=null, articleAbstract=

针对粉末光催化剂回收困难和超滤膜污染问题,提出基于铸膜液凝胶特性在凝胶相薄膜表面固定光催化剂经浸没沉淀相转化过程制备高稳定性表面复合光催化膜的新型制膜策略,研究催化剂参与相转化过程对分离膜结构和性能影响.结果表明,随催化剂负载量增加,表面复合光催化膜小孔结构被催化剂占据形成完整的光催化功能层,增强了分离膜对紫外-可见光吸收能力,提高了亲水性和纯水通量.在催化剂负载量为1.2mg/cm2最佳条件下获得的表面复合光催化膜纯水通量高达628L/(m2·h),对氟伐他汀和TOC去除率分别为92.76%和41.53%.与PVDF膜相比,其污染物去除性能和渗透性能明显增强且具有良好的稳定性.由于光催化功能层将吸附在膜面或膜孔内的污染物降解,表面复合光催化膜具备优异的抗污染性能.该策略在提高催化剂固定化程度的同时保证了催化剂对光源的高效利用并实现了膜结构与性能调控,为光催化和膜分离技术的优势结合提供参考.

, authors=刘婷婷*, 白建, 张渝暄, authorsList=刘婷婷, 白建, 张渝暄, authorCompany=null, correspAuthors=刘婷婷, authorNote=

刘婷婷(1990-)女,山西太原人,讲师,博士,从事膜分离技术在水处理中的应用研究.发表论文10篇..

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表面复合光催化膜的制备及去除污染物性能
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刘婷婷 * , 白建 , 张渝暄
中国环境科学 | 水污染与控制 2025,45(7): 3771-3782
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中国环境科学 |水污染与控制 2025 , 45 (7) : 3771 -3782
表面复合光催化膜的制备及去除污染物性能
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刘婷婷* , 白建, 张渝暄
作者信息
  • 西安工程大学环境与化学工程学院,纺织印染废水处理陕西省高等学校重点实验室,陕西 西安 710048
通讯作者:
* 责任作者,讲师,
作者简介:

刘婷婷(1990-)女,山西太原人,讲师,博士,从事膜分离技术在水处理中的应用研究.发表论文10篇..

The preparation of surface composite photocatalytic membrane and its performance of pollutant removal
Ting-ting LIU* , Jian BAI, Yu-xuan ZHANG
Affiliations
  • Key Laboratory of Textile Dyeing Wastewater Treatment Universities of Shaanxi Province, School of Environmental and Chemical Engineering, Xi'an Polytechnic University, Xi'an 710048, China
出版时间: 2025-07-20
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针对粉末光催化剂回收困难和超滤膜污染问题,提出基于铸膜液凝胶特性在凝胶相薄膜表面固定光催化剂经浸没沉淀相转化过程制备高稳定性表面复合光催化膜的新型制膜策略,研究催化剂参与相转化过程对分离膜结构和性能影响.结果表明,随催化剂负载量增加,表面复合光催化膜小孔结构被催化剂占据形成完整的光催化功能层,增强了分离膜对紫外-可见光吸收能力,提高了亲水性和纯水通量.在催化剂负载量为1.2mg/cm2最佳条件下获得的表面复合光催化膜纯水通量高达628L/(m2·h),对氟伐他汀和TOC去除率分别为92.76%和41.53%.与PVDF膜相比,其污染物去除性能和渗透性能明显增强且具有良好的稳定性.由于光催化功能层将吸附在膜面或膜孔内的污染物降解,表面复合光催化膜具备优异的抗污染性能.该策略在提高催化剂固定化程度的同时保证了催化剂对光源的高效利用并实现了膜结构与性能调控,为光催化和膜分离技术的优势结合提供参考.

光催化膜  /  凝胶特性  /  浸没沉淀相转化  /  高稳定性  /  抗污染

An original strategy for immobilization of photocatalyst on the gelatinous membrane surface to fabricate the composite photocatalytic membrane through submerged precipitated phase inversion method based on the gel property of organic casting solution was proposed to solve the problem of membrane fouling and photocatalyst recovery. The effect of photocatalyst on the structure and performance of the composite photocatalytic membrane was studied systematically. With the increase of photocatalyst load, the micropore of the composite photocatalytic membrane was occupied by the photocatalyst to form a uniform and complete photocatalytic layer, which contributed to improve the optical property, hydrophilicity and water flux of the composite photocatalytic membrane. The water flux was 628L/(m2·h), 92.76% and 41.53% of fluvastatin and TOC were removed by the composite photocatalytic membrane with ZnIn2S4 loading of 1.2mg/cm2. Compared with PVDF membrane, the permeability and photocatalytic performance were enhanced and the stability of performance was demonstrated during the long-term operation. The outstanding antifouling performance of the composite photocatalytic membrane was confirmed due to the photocatalytic degradation of pollutant adsorbed on the membrane surface or pore. The stable immobilization of photocatalyst and efficient utilization of incident light were simultaneously achieved for the composite photocatalytic membrane. The structure and performance of the composite photocatalytic membrane were also regulated. A feasible way for beneficial combination of photocatalysis and membrane separation was provided.

photocatalytic membrane  /  gel property  /  submerged precipitated phase inversion  /  high stability  /  antifouling performance
刘婷婷, 白建, 张渝暄. 表面复合光催化膜的制备及去除污染物性能. 中国环境科学, 2025 , 45 (7) : 3771 -3782 .
Ting-ting LIU, Jian BAI, Yu-xuan ZHANG. The preparation of surface composite photocatalytic membrane and its performance of pollutant removal[J]. China Environmental Science, 2025 , 45 (7) : 3771 -3782 .
  • 中国博士后科学基金项目(2023MD734204)
  • 陕西省教育厅自然科学专项研究计划项目(23JK0458)
  • 西安工程大学博士科研启动项目(310/107020512)
  • 陕西省重点产业创新链(群)项目(2022ZDLSF06-05)
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  • 接收时间:2024-12-19
  • 首发时间:2026-10-08
  • 出版时间:2025-07-20
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  • 收稿日期:2024-12-19
基金
中国博士后科学基金项目(2023MD734204)
陕西省教育厅自然科学专项研究计划项目(23JK0458)
西安工程大学博士科研启动项目(310/107020512)
陕西省重点产业创新链(群)项目(2022ZDLSF06-05)
作者信息
    西安工程大学环境与化学工程学院,纺织印染废水处理陕西省高等学校重点实验室,陕西 西安 710048

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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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