Efficient separation of crude oil-in-water emulsion based on a robust underwater superoleophobic titanium dioxide-coated mesh
Liu, Weimin1; Cui, Mengke1; Shen, Yongqian2; Mu, Peng1; Yang, Yaoxia1; Li, Jian1
2020-02-21
Source PublicationNEW JOURNAL OF CHEMISTRY
ISSN1144-0546
Volume44Issue:7Pages:2705-2713
AbstractMechanically weak superwetting materials are difficult to apply to real complex environments for efficient crude oil-in-water emulsion separation. Herein, robust TiO2-coated meshes were fabricated by spraying titanium dioxide nanoparticles (TiO2 P25) and aluminum phosphate (AP) binder suspension on a stainless steel mesh. The AP with inorganic adhesive was developed to enhance the bonding force between nanoparticle coatings and the stainless steel meshes and the detailed interaction mechanism has been comprehensively explained. The robust TiO2-coated meshes show excellent underwater superoleophobicity, even for crude oil. Moreover, the underwater superoleophobic meshes enjoy eminent separation capacity for various oil-in-water emulsions, including crude oil-in-water emulsion, with separation efficiency higher than 99.8% even after 10 cycles. Furthermore, the coated meshes can maintain separation efficiencies of over 99.4% after 500 scratch cycles, sand impact cycles, solvent immersion tests and ultrasonic treatment. The mechanical durability of the mesh causes it to have great prospects in extensive industrial applications and harsh circumstances. In addition, the mesh can be successfully used for degrading organic dyes with high efficiency under UV light irradiation, making it a prospective candidate for wastewater treatment.
DOI10.1039/c9nj05202j
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51872245] ; Fok Ying-Tong Education Foundation of China[161044] ; Natural Science Foundation for Distinguished Young Scholars of Gansu Province, China[18JR3RA083] ; China Postdoctoral Science Foundation[2018T110025][2017M610031] ; Yong Teacher Research Group Foundation of Northwest Normal University[NWNU-LKQN-16-6]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000516578300049
PublisherROYAL SOC CHEMISTRY
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/76180
Collection材料科学与工程学院
省部共建有色金属先进加工与再利用国家重点实验室
Corresponding AuthorShen, Yongqian; Li, Jian
Affiliation1.Northwest Normal Univ, Res Ctr Gansu Mil & Civilian Integrat Adv Struct, Coll Chem & Chem Engn, Lanzhou 730070, Peoples R China
2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Key Lab Nonferrous Met Alloys & Proc, Minist Educ,Sch Mat Sci & Engn, Lanzhou 730050, Peoples R China
Corresponding Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Recommended Citation
GB/T 7714
Liu, Weimin,Cui, Mengke,Shen, Yongqian,et al. Efficient separation of crude oil-in-water emulsion based on a robust underwater superoleophobic titanium dioxide-coated mesh[J]. NEW JOURNAL OF CHEMISTRY,2020,44(7):2705-2713.
APA Liu, Weimin,Cui, Mengke,Shen, Yongqian,Mu, Peng,Yang, Yaoxia,&Li, Jian.(2020).Efficient separation of crude oil-in-water emulsion based on a robust underwater superoleophobic titanium dioxide-coated mesh.NEW JOURNAL OF CHEMISTRY,44(7),2705-2713.
MLA Liu, Weimin,et al."Efficient separation of crude oil-in-water emulsion based on a robust underwater superoleophobic titanium dioxide-coated mesh".NEW JOURNAL OF CHEMISTRY 44.7(2020):2705-2713.
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