Fabrication of palygorskite coated membrane for multifunctional oil-in-water emulsions separation
Yang, Yueyue; Liang, Weidong; Wang, Chengjun; Sun, Hanxue; Zhang, Jianli; Yu, Yuan; Dong, Wenrui; Zhu, Zhaoqi; Li, An
AbstractWith the rapid development of industrial growth, the issue of severe water pollution risen from oily waste water, dye waste water, and frequent oil spill accidents has become a bottleneck for hindering the global sustainable development. Herein, we report the facile fabrication of a superhydrophilic/underwater superoleophobic multifunctional separation membrane by vacuum assisted filtration technology using palygorskite (Pal) as raw material. The Pal coated membrane show excellent thermal, chemical stability, and mechanical strength with 300 bending times. As expected, the membrane has excellent separation performance, e.g. it exhibits an enhanced permeation flux of 477.7 +/- 5.0 Lm(-2) h(-1) bar(-1) and a high separation efficiency of up to 99.6% +/- 0.05%. In addition, it can separate different oil-in-water emulsions in harsh environments. Interestingly, the as-prepared membrane can also remove organic dyes in the water phase during the separation process, making it multifunctional and promising membrane for water treatment, by combination with its simple and cost-efficient manufacture, excellent physicochemical properties. More importantly, our work may also open a new way for high-increment utilization of palygorskite mineral with a "green" method.
KeywordPalygorskite Underwater superoleophobic Oil/water emulsion separation Multifunctional membrane
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[51962018][21975113][51663012] ; Project of Collaborative Innovation Team, Gansu Province, China[052005] ; Innovation and Entrepreneurship Talent Project of Lanzhou[2017-RC-33]
WOS Research AreaChemistry ; Materials Science ; Mineralogy
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Mineralogy
WOS IDWOS:000506425900038
EI Accession Number20193807442736
EI Classification Number445.1 Water Treatment Techniques - 453 Water Pollution - 453.1 Water Pollution Sources - 801 Chemistry - 802.3 Chemical Operations - 804 Chemical Products Generally - 951 Materials Science
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Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiang, Weidong; Li, An
AffiliationLanzhou Univ Technol, Coll Petrochem Engn, Dept Chem Engn, Lanzhou 730050, Peoples R China
First Author AffilicationColl Petrochem Engn
Corresponding Author AffilicationColl Petrochem Engn
First Signature AffilicationColl Petrochem Engn
Recommended Citation
GB/T 7714
Yang, Yueyue,Liang, Weidong,Wang, Chengjun,et al. Fabrication of palygorskite coated membrane for multifunctional oil-in-water emulsions separation[J]. APPLIED CLAY SCIENCE,2019,182.
APA Yang, Yueyue.,Liang, Weidong.,Wang, Chengjun.,Sun, Hanxue.,Zhang, Jianli.,...&Li, An.(2019).Fabrication of palygorskite coated membrane for multifunctional oil-in-water emulsions separation.APPLIED CLAY SCIENCE,182.
MLA Yang, Yueyue,et al."Fabrication of palygorskite coated membrane for multifunctional oil-in-water emulsions separation".APPLIED CLAY SCIENCE 182(2019).
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