Graphene has a two-dimensional honeycomb lattice structure,which is formed by monolayer of carbon atom via sp2 hybridization.With a specific surface area of 2630m2/g,graphene has an extremely high adsorption capacity,leading to a broad application prospect in water treatment.The research progress on adsorption of organic pollutant and heavy metal in wastewater by graphene and its composite were introduced,and analyzied its adsorption mechanism.Finally,the future research direction of graphene and its composites,as well as its application prospect in the field of adsorption were pointed out.
[1] Li C W,Chang L W,Liang Y M,et al.Evaluating treatment options for wastewater generated from production of metal complex dyes[J].Desalination and Water Treatment,2016,57(30):14044-14050.
[2] Chen X,Qiu M,Ding H,et al.A reduced graphene oxide nanofiltration membrane intercalated by well-dispersed carbon nanotubes for drinking water purification[J].Nanoscale,2016,8(10):5696-5705.
[3] Su T,Deng H,Benskin J P,et al.Biodegradation of sulfamethoxazole photo-transformation products in a water/sediment test[J].Chemosphere,2016,148:518-525.
[4] Moussavi G,Shekoohiyan S,Mojab S.Adsorption capacity of NH4Cl-induced activated carbon for removing sodium dodecyl sulfate from water[J].Desalination and Water Treatment,2016,57(24):11283-11290.
[5] Shpiner R,Liu G,Stuckey D C.Treatment of oilfield produced water by waste stabilization ponds:biodegradation of petroleum-derived materials[J].Bioresource technology,2009,100(24):6229-6235.
[6] Akhtar J,Amin N A S,Shahzad K.A review on removal of pharmaceuticals from water by adsorption[J].Desalination and Water Treatment,2016,57(27):12842-12860.
[7] Altmann J,Rehfeld D,Trder K,et al.Combination of granular activated carbon adsorption and deep-bed filtration as a single advanced wastewater treatment step for organic micropollutant and phosphorus removal[J].Water Research,2016,92:131-139.
[8] Ge X,Shi L,Wang X.Dechlorination of reformate via chemical adsorption reactions by Ce-Y zeolite[J].Industrial & Engineering Chemistry Research,2014,53(15):6351-6357.
[9] Tajizadegan H,Torabi O,Heidary A,et al.Study of methyl orange adsorption properties on ZnO-Al2O3 nanocomposite adsorbent particles[J].Desalination and Water Treatment,2016,57(26):12324-12334.
[10] Novoselov K S,Geim A K,Morozov S V,et al.Electric field effect in atomically thin carbon films[J].Science,2004,306(5696):666-669.
[11] Jumeri F A,Lim H N,Ariffin S N,et al.Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment[J].Ceramics International,2014,40(5):7057-7065.
[12] Ahmed S A.Removal of lead and sodium ions from aqueous media using natural wastes for desalination and water purification[J].Desalination and Water Treatment,2016,57(19):8911-8926.
[13] 王波,张帆,黄福.还原态氧化石墨烯的制备及其对重金属离子的吸附性能[J].应用化学,2014,31(4):502-504.
[14] Dong S,Dou X,Mohan D,et al.Synthesis of graphene oxide/schwertmannite nanocomposites and their application in Sb(Ⅴ) adsorption from water[J].Chemical Engineering Journal,2015,270(2015):205-214.
[15] Fu M,Li J.One-pot solvothermal synthesis and adsorption property of Pb(Ⅱ) of superparamagnetic monodisperse Fe3O4/graphene oxide nanocomposite[J].Nanoscience and Nanotechnology Letters,2014,6(12):1116-1122.
[16] 刘伟,杨琦,李博,等.磁性石墨烯吸附水中 Cr(Ⅵ)研究[J].环境科学,2015,36(2):537-544.
[17] 吕莎莎,危晶,江峰,等.羧基化石墨烯4种离子型染料的吸附脱色[J].应用化学,2013,30(10):1215-1221.
[18] Wang X,Lu M,Wang H,et al.Three-dimensional graphene aerogels-mesoporous silica frameworks for superior adsorption capability of phenols[J].Separation and Purification Technology,2015,153:7-13.
[19] Yang Y,Zhao Y,Sun S,et al.Self-assembled three-dimensional graphene/Fe3O4 hydrogel for efficient pollutant adsorption and electromagnetic wave absorption[J].Materials Research Bulletin,2016,73(2016):401-408.
[20] Fan X,Gao H,Kou X,et al.Synthesis of FeCo-reduced graphene oxide composite and its magnetic and adsorption properties[J].Materials Research Bulletin,2015,65(2015):320-324.
[21] 常青,江国栋,胡梦璇,等.石墨烯基磁性复合材料吸附水中亚甲基蓝的研究[J].环境科学,2014,35(5):1804-1809.
[22] Jin Z,Wang X,Sun Y,et al.Adsorption of 4-n-nonylphenol and bisphenol-a on magnetic reduced graphene oxides:a combined experimental and theoretical studies[J].Environmental Science & Technology,2015,49(15):9168-9175.
基金资助
2015年陕西省大学生创新创业计划训练项目(201510699232)