Volume 40 Issue 3
Mar.  2023
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Article Contents
GAO Deyu, CHENG Zhilin. Microwave in-situ synthesis of 2D Ni-Fe MOF/diatomite composite and oil-water separation performance of modified polyvinyl alcohol hydrogel stainless steel screen[J]. Acta Materiae Compositae Sinica, 2023, 40(3): 1686-1695. doi: 10.13801/j.cnki.fhclxb.20220429.003
Citation: GAO Deyu, CHENG Zhilin. Microwave in-situ synthesis of 2D Ni-Fe MOF/diatomite composite and oil-water separation performance of modified polyvinyl alcohol hydrogel stainless steel screen[J]. Acta Materiae Compositae Sinica, 2023, 40(3): 1686-1695. doi: 10.13801/j.cnki.fhclxb.20220429.003

Microwave in-situ synthesis of 2D Ni-Fe MOF/diatomite composite and oil-water separation performance of modified polyvinyl alcohol hydrogel stainless steel screen

doi: 10.13801/j.cnki.fhclxb.20220429.003
  • Received Date: 2022-03-07
  • Accepted Date: 2022-04-16
  • Rev Recd Date: 2022-04-08
  • Available Online: 2022-05-05
  • Publish Date: 2023-03-15
  • How to efficiently treat oil-polluted water has been a common concern of researchers all over the world. Polyvinyl alcohol (PVA) hydrogel as a soft material with high water content and three-dimensional hydrophilic network had attracted wide attention in the field of oil-water separation. However, like most hydrogel with super wettability, PVA hydrogel oil-water separation materials have poor mechanical properties and poor chemical stability. Based on this, 2D Ni-Fe metal-organic frame material (MOF)-diatomite (Dia) nanomaterials and their PVA compo-site hydrogels were prepared by microwave method. After immersion in 2D Ni-Fe MOF-Dia/PVA solution, the 2D Ni-Fe MOF-Dia/PVA stainless steel mesh was obtained, showing super hydrophilic and super hydrophobic properties. The chemical composition and surface morphology of 2D Ni-Fe MOF-Dia and its composite hydrogels were analyzed by SEM and XPS. The mechanical properties of 2D Ni-Fe MOF-Dia/PVA composite hydrogel and the separation efficiency and water flux of 2D Ni-Fe MOF-Dia/PVA composite hydrogel stainless steel screen were studied. The salt resistance, acid and alkali resistance of oil-water separation were tested. The results show that 2D Ni-Fe MOF-Dia/PVA composite hydrogel has excellent mechanical properties, tensile strength and compressive strength reached 1.49 MPa and 0.58 MPa respectively, and exhibited super hydrophilic underwater super thinning oil. The efficiency and flux of 2D Ni-Fe MOF-Dia/PVA stainless steel screen are 99.2% and 742.7 L·m−2·h−1 respectively. It maintains excellent separation efficiency and flux in acidic, alkaline and salt environments, and still maintains stable separation efficiency and flux after 5 cycles.


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  • [1]
    何影格, 陈媛媛, 刘维仪, 等. 超浸润性可逆切换的超双疏复合海绵材料的制备及油水分离应用[J]. 复合材料学报, 2021, 38(3): 854-862.

    HE Y G, CHEN Y Y, LIU W Y, et al. Preparation of super double hydrophobic composite sponge with super wettability and reversible switching and its application in oil-water separation[J]. Acta Materiae Compositae Sinica, 2021, 38(3): 854-862(in Chinese).
    魏倩, 林韶晖, 冯献社, 等. 超疏水石墨烯/甲醛-三聚氰胺-亚硫酸氢钠共聚物海绵的制备及其在油水分离中的应用[J]. 复合材料学报, 2019, 36(7): 1728-1736.

    WEI Q, LIN S H, FENG X S, et al. Preparation of super hydrophobic graphene/formaldehyde melamine sodium bisulfite copolymer sponge and its application in oil-water separation[J]. Acta Materiae Compositae Sinica, 2019, 36(7): 1728-1736(in Chinese).
    陈迪, 黄杉, 杨园园, 等. 超浸润性γ-氨丙基三乙氧基硅烷-TiO2包覆织物的制备及其水净化性能[J]. 复合材料学报, 2021, 39(10):4620-4630.

    CHEN D, HUANG S, YANG Y Y, et al. Super infiltration γ-preparation of aminopropyl triethoxysilane TiO2 coated fabric and its water purification performance[J]. Acta Materiae Compositae Sinica,2021,39(10):4620-4630(in Chinese).
    LU J W, GAO Z S, XU T, et al. Robust hydrogel coating with oil-repellent property in air, water, and oil surroundings[J]. ACS Applied Materials & Interfaces,2020,12(43):49138-49145. doi: 10.1021/acsami.0c16410
    LIU Y, YIN J Y, FU Y B, et al. Underwater superoleophobic APTES-SiO2/PVA organohydrogel for low-temperature tolerant, self-healing, recoverable oil/water separation mesh[J]. Chemical Engineering Journal,2020,382(15):122925.
    LIU Y, XIA M, WU L L, et al. Physically cross-linked double-network hydrogel for high-performance oil-water separation mesh[J]. Industrial & Engineering Chemistry Research,2019,58(47):21649-21658.
    LI K Q, CHEN W J, WU W J, et al. Facile fabrication of superhydrophilic/underwater superoleophobic polyvinyl acetate/sodium silicate composite coating for the effective water/oil separation and the study on the anti-fouling property, durability and separation mechanism[J]. Progress in Organic Coatings,2021,150(1):105979.
    KIRTI T, ADITYA R, BALASUBRAMANIAN K, et al. Starch/PVA hydrogels for oil/water separation[J]. Environmental Science and Pollution Research,2019,36(31):32013-32028.
    BAI Z X, JIA K, LIU C C, et al. A solvent regulated hydrogen bond crosslinking strategy to prepare robust hydrogel paint for oil/water separation[J]. Advanced Functional Materials,2021,31(49):2104701. doi: 10.1002/adfm.202104701
    孟盼, 王雁冰, 魏冲, 等. 硅藻土/硅橡胶可陶瓷化复合材料的制备及性能[J]. 复合材料学报, 2017, 34(1):53-59.

    MENG P, WANG Y B, WEI C, et al. Preparation and properties of diatomite/silicone rubber ceramic composites[J]. Acta Materiae Compositae Sinica,2017,34(1):53-59(in Chinese).
    林健, 郭郊, 赵宇, 等. 硅藻土/聚氨酯多孔复合材料的组织结构与吸声特性[J]. 复合材料学报, 2014, 31(6):1476-1480.

    LIN J, GUO J, ZHAO Y, et al. Microstructure and sound absorption properties of diatomite/polyurethane porous composites[J]. Acta Materiae Compositae Sinica,2014,31(6):1476-1480(in Chinese).
    LV J H, SUN B, JIN J, et al. Mechanical and slow-released property of poly(acrylamide) hydrogel reinforced by diatomite[J]. Materials Science and Engineering: C,2019,99(2):315-321.
    SHA D, ZHENG R, WANG B L, et al. Superhydrophilic polyvinyl alcohol-formaldehyde composite sponges with hierachical pore structure for oil/water emulsion separation[J]. Reactive and Functional Polymers,2021,165(1):104975.
    ZHANG X F, CHANG L, YANG Z J, et al. Facile synthesis of ultrathin metal-organic framework nanosheets for lewis acid catalysis[J]. Nano Research,2019,12(2):437-440. doi: 10.1007/s12274-018-2235-1
    WANG Y, LI L J, YAN L T, et al. Bottom-up fabrication of ultrathin 2 D Zr metal-organic framework nanosheets through a facile continuous microdroplet flow reaction[J]. Journal of the American Chemical Society,2018,30(9):3048-3059.
    LI Q Y, LIU K, JIANGT, et al. Injectable and self-healing chitosan-based hydrogel with MOF-loaded α-lipoic acid promotes diabetic wound healing[J]. Materials Science and Engineering: C,2021,131(45):112519.
    LI H, ZHU L, ZHANG J Q, et al. High-efficiency separation performance of oil-water emulsions of polyacrylonitrile nanofibrous membrane decorated with metal-organic frameworks[J]. Applied Surface Science,2019,476(15):61-69.
    GAO D Y, LIU Z, CHENG Z L. 2D Ni-Fe MOF nanosheets reinforced poly(vinyl alcohol) hydrogels with enhanced mechanical and tribological performance[J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects,2021,610(5):125934.
    LEE T H, JI S R, YE S Y, et al. High-performance polyamide thin-film nanocomposite membranes containing ZIF-8/CNT hybrid nanofillers for reverse osmosis desalination[J]. Industrial & Engineering Chemistry Research,2020,59(12):5324-5332.
    MENG X, LIU Z M, DENG C, et al. Microporous nano-MgO/diatomite ceramic membrane with high positive surface charge for tetracycline removal[J]. Journal of Hazardous Materials,2016,320(15):495-503.
    LI F L, WANG P, TANG X Q, et al. Large-scale, bottom-up synthesis of binary metal-organic framework nanosheets for efficient water oxidation[J]. Angewandate Chemie-International Edition,2019,58(21):7051-7056. doi: 10.1002/anie.201902588
    XIA Y J, JIANG X Y, ZHANG J, et al. Synthesis and characterization of antimicrobial nanosilver/diatomite nanocomposites and its water treatment application[J]. Applied Surface Science,2017,396(2):1760-1764.
    GIUSEPPE C, GIUSEPPE L, STEFANA M, et al. Nanohydrogel formation within the halloysite lumen for triggered and sustained release[J]. ACS Applied Materials & Interfaces,2018,10(9):8265-8273.
    ZHOU L, HE Y, SHI H, et al. One-pot route to synthesize HNTs@PVDF membrane for rapid and effective separation of emulsion-oil and dyes from waste water[J]. Journal of Hazardous Materials,2019,380(15):120865.
    CHEN J R, SHI X T, REN L, et al. Graphene oxide/PVA inorganic/organic interpenetrating hydrogels with excellent mechanical properties and biocompatibility[J]. Carbon,2017,111(1):18-27.
    SABIA K, SAREEN S, ASHWINI P, et al. Effects of reinforcement of sodium alginate functionalized halloysite clay nanotubes on thermo-mechanical properties and biocompatibility of poly(vinyl alcohol) nanocomposites[J]. Jour-nal of the Mechanical Behavior of Biomedical Materials,2021,118:104441. doi: 10.1016/j.jmbbm.2021.104441
    HUI Y, GE S, LIU Q F, et al. A facile route for the fabrication of a superhydrophilic and underwater superoleophobic phosphorylated PVA-coated mesh for both oil/water immiscible mixture and emulsion separation[J]. Applied Surface Science,2021,537(30):147986.
    LI J, GUAN P, ZHANG Y, et al. A diatomite coated mesh with switchable wettability for on-demand oil/water separation and methylene blue adsorption[J]. Separation and Purification Technology,2017,174(1):275-281.
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