粘土类矿物的硅藻土是制备吸附剂的理想材料,对各类污染物有较好的吸附作用,并具有独特的优势。对硅藻土的改性方法进行了归纳,并总结了硅藻土对重金属、磷酸盐、放射性元素和有机染料的吸附特性,明确了硅藻土在污水处理中的应用价值,最后指出了目前研究中存在的不足和今后的发展方向。
The researchers studied and found that the diatomite as clay mineral was the ideal material for adsorbent,which has good adsorption effects on kinds of pollutants,and has unique advantages.The modification methods of diatomite were summarized.The adsorption properties of diatomite for treatment of heavy metals,phosphate,radioactive element and organic dyes were concluded.The application value of diatomite in wastewater treatment was proposed.In addition,the problems and development fiend of the research on diatomite adsorbents at present were pointed out.
[1] 宁可心,张婷,王毅,等.粘土类吸附剂去除水中污染物的研究进展[J].化工新型材料,2020,48(8):276-280.
[2] Coruh S,Geyikci F,Elevli S,et al.Adsorption of neutral red dye from an aqueous solution onto natural sepiolite using full factorial design[J].Clays and Clay Minerals,2011,59(6):617-625.
[3] Wang B,Godoi F C,Sun Z M,et al.Synthesis,characterization and activity of an immobilized photocatalyst:natural porous diatomite supported titania nanoparticles[J].Journal of Colloid and Interface Science,2015,438:204-211.
[4] Hethnawi A,Khderat W,Hashlamoun K,et al.Enhancing chromium(Ⅵ) removal from synthetic and real tannery effluents by using diatomite-embedded nanopyroxene[J].Chemosphere,2020,252:126523.
[5] Gago C,Romar A,Fernandez-Marcos M L,et al.Fluoride sorption and desorption on soils located in the surroundings of an aluminium smelter in Galicia (NW Spain)[J].Environmental Earth Sciences,2014,72(10):4105-4114.
[6] Yang Q T,Gong L,Huang L L,et al.Adsorption of As(Ⅴ) from aqueous solution on chitosan-modified diatomite[J].International Journal of Environmental Research and Public Health,2020,17(2):429.
[7] Mohamed E A,Selim A Q,Zayed A M,et al.Enhancing adsorption capacity of Egyptian diatomaceous earth by thermo-chemical purification:methylene blue uptake[J].Journal of Colloid and Interface Science,2019,534:408-419.
[8] 贾泽慧,胡颖媛,张小超,等.临江高品位硅藻土的物理化学提纯[J].人工晶体学报,2017,46(11):2266-2270.
[9] Ouardi Y E,Branger C,Toufik H,et al.An insight of enhanced natural material (calcined diatomite) efficiency in nickel and silver retention:application to natural effluents[J].Environmental Technology & Innovation,2020,18:100768.
[10] 邓小波.米易硅藻土的改性及对钒(Ⅴ)的吸附性能研究[D].成都:成都理工大学,2017.
[11] 黄正玉,宁增平,肖唐付,等.不同类型吸附剂去除水体中Sb(Ⅴ)的对比研究[J].地球与环境,2017,45(5):523-530.
[12] Tsai W T,Lai C W,Hsien K J.Characterization and adsorption properties of diatomaceous earth modified by hydrofluoric acid etching[J].Journal of Colloid and Interface Science,2006,297(2):749-754.
[13] 张艳丽.改性硅藻土处理含氟废水的研究[J].唐山学院学报,2007,20(6):53-58.
[14] 周慧杰,杨慧敏,王硕,等.镍改性硅藻土对废水中Pb(Ⅱ)吸附性能的研究[J].内蒙古科技大学学报,2019,38(2):109-112.
[15] 李瑞霞,朱静平.改性硅藻土-沉淀法对废水中磷的去除效能[J].非金属矿,2018,41(4):17-19.
[16] Khraisheh M A M,Al-degs Y S,Mcminn W A M.Remediation of wastewater containing heavy metals using raw and modified diatomite[J].Chemical Engineering Journal,2004,99(2):177-184.
[17] Knoerr R,Brendle J,Lebeau B,et al.Preparation of ferric oxide modified diatomite and its application in the remediation of As(Ⅲ) species from solution[J].Microporous and Mesoporous Materials,2013,169:185-191.
[18] 王学凯,王金淑,杜玉成,等.硅藻土功能化及其应用[J].材料导报,2020,34(2):03017-03027.
[19] Zhou Q,Yang H,Yan C J,et al.Synthesis of carboxylic acid functionalized diatomite with a micro-villous surface via UV-induced graft polymerization and its adsorption properties for Lanthanum(Ⅲ) ions[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,2016,501:9-16.
[20] Fu Y,Jiang J W,Chen Z P,et al.Rapid and selective removal of Hg(Ⅱ) ions and high catalytic performance of the spent adsorbent based on functionalized mesoporous silica/poly(m-aminothiophenol) nanocomposite[J].Journal of Molecular Liquids,2019,286:110746.
[21] 张馨予,彭敬东.“微超酸”改性硅藻土对Pb2+,Cu2+,Cd2+的吸附性能研究[J].西南师范大学学报(自然科学版),2018,43(9):90-94.
[22] Al-Qodah Z,Lafi W K,Al-Anber Z,et al.Adsorption of methylene blue by acid and heat treated diatomaceous silica[J].Desalination,2007,217(1-3):212-224.
[23] Li S,Li D Y,Su F,et al.Uniform surface modification of diatomaceous earth with amorphous manganese oxide and its adsorption characteristics for lead ions[J].Applied Surface Science,2014,317:724-729.
[24] Arica T A,Kuman M,Gercel O,et al.Poly(dopamine) grafted bio-silica composite with tetraethylenepentamine ligands for enhanced adsorption of pollutants[J].Chemical Engineering Research & Design,2019,141:317-327.
[25] Zhu F,Zheng Y M,Zhang B G,et al.A critical review on the electrospun nanofibrous membranes for the adsorption of heavy metals in water treatment[J].Journal of Hazardous Materials,2021,401:123608.
[26] Du Y C,Zheng G W,Wang J S,et al.MnO2 nanowires in situ grown on diatomite:highly efficient absorbents for the removal of Cr(Ⅵ) and As(V)[J].Microporous and Mesoporous Materials,2014,200:27-34.
[27] Salih S S,Ghosh T K.Adsorption of Zn(Ⅱ) ions by chitosan coated diatomaceous earth[J].International Journal of Biological Macromolecules,2018,106:602-610.
[28] 李振,张皓东,卜金明,等.氢氧化镁改性硅藻土处理含隔废水的研究[J].化学研究与应用,2018,30(10):1621-1628.
[29] Du Y C,Wang X K,Wu J S,et al.Adsorption and photoreduction of Cr(Ⅵ) via diatomite modified by Nb2O5 nanorods[J].Particuology,2018,40:123-130.
[30] Nefzi H,Abderrabba M,Ayadi S,et al.Formation of palygorskite clay from treated diatomite and its application for the removal of heavy metals from aqueous solution[J].Water,2018,10(9):1257.
[31] Wang J X,Zhang G Q,Qiao S,et al.Magnetic Fe0/iron oxide-coated diatomite as a highly efficient adsorbent for recovering phosphorus from water[J].Chemical Engineering Journal,2021,412:128696.
[32] Wu Y,Li X M,Yang Q,et al.Hydrated lanthanum oxide-modified diatomite as highly efficient adsorbent for low-concentration phosphate removal from secondary effluents[J].Journal of Environmental Management,2019,231:370-379.
[33] Mahmoud M E,Fekry N A,Abdelfattah A M.Removal of uranium(Ⅵ) from water by the action of microwave-rapid green synthesized carbon quantum dots from starch-water system and supported onto polymeric matrix[J].Journal of Hazardous Materials,2020,397:122770.
[34] 王攀峰,邰文亮,杨贤,等.改性甘蔗渣吸附水中Th(Ⅳ)的研究[J].化工新型材料,2019,47(9):174-177.
[35] Lu S H,Hu J S,Chen C L,et al.Spectrostopic and modeling investigation of efficient removal of U(Ⅵ) on a novel magnesium silicate/diatomite[J].Separation and Purification Technology,2017,174:425-431.
[36] Salameh S I Y,Khalili F I,AI-Dujaili A H.Removal of U(Ⅵ) and Th(Ⅳ) from aqueous solutions by organically modified diatomaceous earth:evaluation of equilibrium,kinetic and thermodynamic data[J].International Journal of Mineral Processing,2017,168:9-18.
[37] Bozkurt S S,Molu Z B,Cavas L,et al.Biosorption of uranium(Ⅵ) and thorium(Ⅳ) onto ulva gigantea (Kutzing) bliding:discussion of adsorption isotherms,kinetics and thermodynamic[J].Journal of Radioanalytical and Nuclear Chemistry,2011,288(3):867-874.
[38] Zhu H Y,Jiang R,Fu Y Q,et al.Preparation,characterization and dye adsorption properties of γ-Fe2O3/SiO2/chitosan composite[J].Applied Surface Science,2011,258(4):1337-1344.
[39] Sriram G,Kigga M,Uthappa U T,et al.Naturally available diatomite and their surface modification for the removal of hazardous dye and metal ions:a review[J].Advances in Colloid and Interface Science,2020,282:102198.
[40] Al-Ghouti M,Khraisheh M A M,Ahmad M N M,et al.Thermodynamic behaviour and the effect of temperature on the removal of dyes from aqueous solution using modified diatomite:A kinetic study[J].Journal of Colloid and Interface Science,2005,287(1):6-13.
[41] Zhang Y Z,Li J,Chen G H,et al.Adsorption of crystal violet with diatomite earth&carbon by a modification of hydrothermal carbonization process[J].Water Science and Technology,2016,73(6):1463-1471.
基金资助
国家自然科学基金(41662005);广西创新研究团队项目(2018GXNSFGA281001);广西中青年能力项目(2018KY0249);广西环境污染控制理论与技术重点实验室研究基金资助(001102216078)
PDF
