[1]高佳敏,宗玉清,何旺泽,等.NiAl2O4涂层膜的制备及其在油水分离中的应用[J].常州大学学报(自然科学版),2023,35(03):41-51.[doi:10.3969/j.issn.2095-0411.2023.03.006 ]
　GAO Jiamin,ZONG Yuqing,HE Wangze,et al.Preparation of NiAl2O4 coated membrane and its application in oil-water separation[J].Journal of Changzhou University(Natural Science Edition),2023,35(03):41-51.[doi:10.3969/j.issn.2095-0411.2023.03.006 ]
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NiAl2O4涂层膜的制备及其在油水分离中的应用 ()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第35卷
期数:
2023年03期
页码:
41-51
栏目:
环境科学与工程
出版日期:
2023-05-28

文章信息/Info

Title:
Preparation of NiAl2O4 coated membrane and its application in oil-water separation
文章编号:
2095-0411(2023)03-0041-11
作者:
高佳敏; 宗玉清; 何旺泽; 薛金娟; 王明新
(常州大学 环境科学与工程学院, 江苏 常州 213164)
Author(s):
GAO Jiamin;  ZONG Yuqing;  HE Wangze;  XUE Jinjuan;  WANG Mingxin
(School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China)
关键词:
NiAl2O4;  油水分离;  复合膜;  超亲水/水下超疏油
Keywords:
NiAl2O4;  oil-water separation;  composite membrane;  super-hydrophilic/underwater super-oleophobic
分类号:
TB 34
DOI:
10.3969/j.issn.2095-0411.2023.03.006
文献标志码:
A
摘要:
以聚偏氟乙烯(PVDF)有机膜为基底,单宁酸(TA)为胶结剂,将尖晶石NiAl2O4无机纳米颗粒均匀修饰到PVDF膜表面,制备了超亲水/水下超疏油型NiAl2O4/TA/PVDF复合膜。系统研究了NiAl2O4/TA/PVDF复合膜的结构、形貌和表面润湿性,评价了复合膜在典型的油水乳液分离中的性能。实验结果表明,NiAl2O4/TA/PVDF复合膜对稳定的油水乳液表现出优异的分离效率(分离效率均高于99%)和较高的膜通量(682～1 302 L·m-2·h-1)。此外,由于膜表面的粗糙结构和特殊润湿性,NiAl2O4/TA/PVDF复合膜具有较好的抗油污染性能,在循环8次分离水包油乳液后仍具有较高的分离效率和膜通量,表现出良好的机械性能和可再生性。本研究为构筑尖晶石基油水分离膜及其在油水分离中的应用提供了新的思路。
Abstract:
Using polyvinylidene fluoride(PVDF)organic membrane as substrate and tannic acid(TA)as binder, spinel NiAl2O4 inorganic nanoparticles were uniformly modified on the surface of PVDF membrane to prepare super-hydrophilic/underwater super-oleophobic NiAl2O4/TA/PVDF composite membrane. The structure, morphology and surface wettability of the NiAl2O4/TA/PVDF composite membrane were systematically studied, and the performance of the composite membrane in the separation of typical oil-water emulsions was evaluated. The experimental results showed that the NiAl2O4/ TA/PVDF composite membrane exhibited excellent separation efficiency(separation efficiency is above 99%)and higher permeation flux(682—1 302 L·m-2·h-1)for stable oil-water emulsions. In addition, due to the rough structure and special wettability of the membrane surface, NiAl2O4/TA/PVDF composite membrane has good oil pollution resistance. After eight cycles of separating oil-in-water emulsion, it still has high separation efficiency and permeation flux, showing good mechanical properties and reproducibility. This research provides a new idea for the construction of spinel-based oil-water separation membranes and their applications in oil-water separation.

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(责任编辑:谭晓荷)

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备注/Memo

备注/Memo:
收稿日期: 2022-11-01。
基金项目: 国家自然科学基金资助项目(21808019, 41772240); 江苏省自然科学基金资助项目(BK20180958); 江苏省重点研发(社会发展)资助项目(BE2021637)。
作者简介: 高佳敏(1997—), 女, 江苏溧阳人, 硕士生。通信联系人: 薛金娟(1985—), E-mail: xuejinjuan@cczu.edu.cn

更新日期/Last Update: 1900-01-01