为改善油水分离性能,采用共沉淀法制备了ZIF-8/氧化石墨烯/聚氨酯(ZIF-8/GO/PU)复合海绵。通过X射线衍射仪、扫描电子显微镜和能谱仪对其进行表征,结果表明:ZIF-8/GO与海绵基底复合,复合海绵的疏水性以及亲油性都明显提高,其纯水通量最高可达1.01L/(cm2·s),纯油吸附能力达39.43g/g,并且经过20次吸脱附循环后仅下降7.8%。
[1] 杨雄强.高环烷酸原油污水处理升级改造[J].水污染治理技术,2017,7(1):24-31.
[2] 付梦洁,丁颖,王纯.不同基材的MOF在油水分离中的应用进展[J].化工新型材料,2023,51(1):41-44,50.
[3] 张声,谢曙光,张晓健,等.利用强化混凝去除水源水中天然有机物的研究进展[J].环境工程学报,2003,4(8):19-22.
[4] 王雪,徐佳,蒋钰烨,等.超滤膜处理乳化油废水的研究进展[J].现代化工,2011,31(6):28-31.
[5] 吕斌,寇梦楠,高党鸽,等.类水滑石/蒙脱土复合材料的研究进展[J].化工新型材料,2023,51(4):46-50.
[6] 彭华乔,石涛,薛森,等.用于油水分离超疏水材料的研究进展[J].化工新型材料,2021,49(7):39-41,51.
[7] Jamaly S,Giwa A,Hasan S W.Recent improvements in oily wastewater treatment:progress,challenges,and future opportunities[J].Journal of Environmental Sciences,2015,37:15-30.
[8] 王铎宇,王欣.亲油疏水型沙柳纤维状活性炭的制备及性能研究[J].化工新型材料,2023,51(5):293-298.
[9] 王露砚,张彩宁,王煦漫.润湿性快速转换超疏水/超亲油聚氨酯海绵的制备[J].化工新型材料,2022,50(10):262-265.
[10] 顾佳华,王惠婷,戴鑫鑫,等.超疏水纺织材料研究现状[J].化工新型材料,2023,51(2):24-29.
[11] Lobo A,Mbiella A Ca,Benito J,et al.Ultrafiltration of oil-in-water emulsions with ceramic membranes:influence of pH and crossflow velocity[J].Journal of Membrane Science,2006,278(1-2):328-334.
[12] Hu B,Scott K.Influence of membrane material and corrugation and process conditions on emulsion microfiltration[J].Journal of Membrane Science,2007,294(1-2):30-39.
[13] Aboelela S,Nawar S.Treatment of wastewater from an oil and soap factory via dissolved air flotation[J].Environment International,1980,4(1):47-52.
[14] Zouboulis A I,Avranas A.Treatment of oil-in-water emulsions by coagulation and dissolved-air flotation[J].Colloids & Surfaces A Physicochemical & Engineering Aspects,2000,172(1-3):153-161.
[15] Al-Shamrani A,James A,Xiao H.Separation of oil from water by dissolved air flotation[J].Colloids and Surfaces A,2002,209(1):15-26.
[16] Al-Shamrani A,James A,Xiao H.Destabilisation of oil-water emulsions and separation by dissolved air flotation[J].Water Research,2002,36(6):1503-1512.
[17] Cañizares P,Martínez F,Jiménez C,et al.Coagulation and electrocoagulation of oil-in-water emulsions[J].Journal of Hazardous Materials,2008,151(1):44-51.
[18] Carmona M,Khemis M,Leclerc J P,et al.A simple model to predict the removal of oil suspensions from water using the electrocoagulation technique[J].Chemical Engineering Science,2006,61(4):1237-1246.
[19] Abbasi Z,Shamsaei E,Fang X Y,et al.Simple fabrication of zeolitic imidazolate framework ZIF-8/polymer composite beads by phase inversion method for efficient oil sorption[J].Journal of Colloid and Interface Science,2017,493:150-161.
[20] Gu Jiahui,Fan Hongwei,Li Chunxi,et al.Robust superhydrophobic/superoleophilic wrinkled microspherical MOF@rGO composites for efficient oil-water separation[J].Angewandte Chemie,2019,58(16):5297-5301.
[21] Kim Daeok,Kim Dae Woo,Buyukcakir Onur,et al.Highly hydrophobic ZIF-8/carbon nitride foam with hierarchical porosity for oil capture and chemical fixation of CO2[J].Advanced Functional Materials,2017,27(23):1700706.
[22] He Z,Qi Z,Li B,et al.Engineering elastic ZIF-8-sponges for oil-water separation[J].Advanced Materials Interfaces,2017,4(20):2196-7350.
[23] Lei Z W,Deng Y H,Wang C Y.Multiphase surface growth of hydrophobic ZIF-8 on melamine sponge for excellent oil/water separation and effective catalysis in a Knoevenagel reaction[J].Journal of Materials Chemistry,A.Materials for Energy and Sustainability,2018,6(7):3258-3263.
[24] Kim D,Eum K,Kim H,et al.Continuous ZIF-8/reduced graphene oxide nanocoating for ultrafast oil/water separation[J].Chemical Engineering Journal,2019,372(15):509-515.
[25] Hummers W,Offeman R.Preparation of graphitic oxide[J].Journal of the American Chemical Society,2002,80(6):1339.
[26] Krishnamoorthy K,Veerapandian M,Yun K,et al.The chemical and structural analysis of graphene oxide with different degrees of oxidation[J].Carbon,2012,53:38-49.
[27] 张昊东,陈靖雯,张灵聪,等.基于还原氧化石墨烯的疏水亲油膜的制备及其在油水分离中的应用[J].化工新型材料,2019,47(6):223-227.