负载零价铁纤维素对水中砷离子的吸附性能研究
|
摘要
以木屑纤维素为基体,采用液相还原法,制备负载零价铁纤维素(C-ZVI),研究其对水中砷离子(As)的吸附行为。采用红外光谱(FTIR)和扫描电镜(SEM)对C-ZVI进行表征。探讨不同吸附条件对C-ZVI的吸附影响,并进行了吸附动力学和等温吸附模型的拟合。研究结果表明,C-ZVI对As有良好的去除效果,当溶液的pH为3～7,投加量为2g/L,反应温度为25℃,As初始浓度为100mg/L,C-ZVI对As的吸附容量高达45.69 mg/g。
The adsorption behavior of arsenic ions(As) in water was studied by liquid-phase reduction method using woody cellulose as the matrix to prepare zero-valent iron cellulose(C-ZVI). C-ZVI was characterized by infrared spectroscopy(FTIR) and scanning electron microscopy(SEM). The adsorption effects of different adsorption conditions on C-ZVI were investigated, and the adsorption kinetics and isothermal adsorption models were fitted. The results show that C-ZVI has a good removal effect on As. When the pH of the solution is 3～7, the dosage is 2 g/L, the reaction temperature is 25 ℃, and the initial concentration of As is 100 mg/L, C-The adsorption capacity of ZVI for As is as high as 45.69 mg/g.
The adsorption behavior of arsenic ions(As) in water was studied by liquid-phase reduction method using woody cellulose as the matrix to prepare zero-valent iron cellulose(C-ZVI). C-ZVI was characterized by infrared spectroscopy(FTIR) and scanning electron microscopy(SEM). The adsorption effects of different adsorption conditions on C-ZVI were investigated, and the adsorption kinetics and isothermal adsorption models were fitted. The results show that C-ZVI has a good removal effect on As. When the pH of the solution is 3～7, the dosage is 2 g/L, the reaction temperature is 25 ℃, and the initial concentration of As is 100 mg/L, C-The adsorption capacity of ZVI for As is as high as 45.69 mg/g.
引文
[1]庄明龙,柴立元,闵小波,等.含砷废水处理研究进展[J].工业水处理,2004,24(7):13-17.
[2]Oncel M S,Muhcu A,Demirbas E,et al.A comparative study of chemical precipitation and electrocoagulation for treatment of coal acid drainage wastewater[J].Journal of Environmental Chemical Engineering,2013,1(4):989-995.
[3]Bang S,Johnson M D,Korfiatis G P,et al.Chemical reactions between arsenic and zero-valent iron in water[J].Water Research,2005,39(5):0-770.
[4]Zhu H,Jia Y,Wu X,et al.Removal of arsenic from water by supported nano zero-valent iron on activated carbon[J].Journal of Hazardous Materials,2009,172(2-3):1591-1596.
[5]Bang S,Korfiatis G P,Meng X.Removal of arsenic from water by zero-valent iron[J].Journal of Hazardous Materials,2005,121(1-3):61-67.
[6]Rao P,Mak M S H,Liu T,et al.Effects of humic acid on arsenic(V)removal by zero-valent iron from groundwater with special references to corrosion products analyses[J].Chemosphere,2009,75(2):0-162.
[7]Lien H L,Wilkin R T.High-level arsenite removal from groundwater by zero-valent iron[J].Chemosphere,2005,59(3):0-386.
[8]Chen C,Xu J,Yang Z,et al.One-pot synthesis of ternary zero-valent iron/phosphotungstic acid/g-C3N4,composite and its high performance for removal of arsenic(V)from water[J].Applied Surface Science,2017,425:423-431.
[9]Liu T,Yang Y,Wang Z L,et al.Remediation of arsenic(III)from aqueous solutions using improved nanoscale zero-valent iron on pumice[J].Chemical Engineering Journal,2016,288(10):739-744.
[10]Wang X,Wang P,Ma J,et al.Synthesis,characterization,and reactivity of cellulose modified nano zero-valent iron for dye discoloration[J].Applied Surface Science,2015,345:57-66.
[11]Gupta A,Yunus M,Sankararamakrishnan N.Zerovalent iron encapsulated chitosan nanospheres-A novel adsorbent for the removal of total inorganic Arsenic from aqueous systems[J].Chemosphere,2012,86(2):150-155.
[12]Sahu U K,Sahu M K,Mohapatra S S,et al.Removal of As(V)from aqueous solution by Ce-Fe bimetal mixed oxide[J].Journal of Environmental Chemical Engineering,2016,4(3):2892-2899.
[13]Li M,Li B,Pan Y,et al.An Aminosalicylic Acid-Modified Cellulose Composite Used for Mercury(II)Removal from Single and Quarternary Aqueous Solutions.Chemistry Select,2018,3:10096-10102.
[14]Su F,Zhou H,Zhang Y,et al.Three-dimensional honeycomb-like structured zero-valent iron/chitosan composite foams for effective removal of inorganic arsenic in water[J].Journal of Colloid&Interface Science,2016,478:421-429.
[15]Qiao J T,Liu T X,Wang X Q,et al.Simultaneous alleviation of cadmium and arsenic accumulation in rice by applying zero-valent iron and biochar to contaminated paddy soils[J].Chemosphere,2017,195:260-271.
[16]Trois C,Cibati A.South African sands as an alternative to zero valent iron for arsenic removal from an industrial effluent:Batch experiments[J].Journal of Environmental Chemical Engineering,2015,3(1):488-498.
[17]Xiong Y,Tong Q,Shan W,et al.Arsenic transformation and adsorption by iron hydroxide/manganese dioxide doped straw activated carbon[J].Applied Surface Science,2017,416.
[18]Li B,Li M,Zhang J,et al.Adsorption of Hg(II)ions from aqueous solution by diethylenetriaminepentaacetic acid-modified cellulose.International Journal of Biological Macromolecules,2018,122:149-156.
[19]Kumar R,Jain S K,Verma S,et al.Mercapto functionalized silica entrapped polyacrylamide hydrogel:Arsenic adsorption behaviour from aqueous solution[J].J Colloid Interface Sci,2015,456:241-245.
[20]Santra D,Sarkar M.Optimization of process variables and mechanism of arsenic(V)adsorption onto cellulose nanocomposite[J].Journal of Molecular Liquids,2016,224:290-302.
[21]Zhou Z,Liu Y G,Liu S B,et al.Sorption performance and mechanisms of arsenic(V)removal by magnetic gelatin-modified biochar[J].Chemical Engineering Journal,2017,314(Complete):223-231.
[22]Tyrovola K,Nikolaidis N P,Veranis N,et al.Arsenic removal from geothermal waters with zero-valent ironlatinct of temperature,phosphate and nitrate[J].Water Research,2006,40(12):0-2386.
[2]Oncel M S,Muhcu A,Demirbas E,et al.A comparative study of chemical precipitation and electrocoagulation for treatment of coal acid drainage wastewater[J].Journal of Environmental Chemical Engineering,2013,1(4):989-995.
[3]Bang S,Johnson M D,Korfiatis G P,et al.Chemical reactions between arsenic and zero-valent iron in water[J].Water Research,2005,39(5):0-770.
[4]Zhu H,Jia Y,Wu X,et al.Removal of arsenic from water by supported nano zero-valent iron on activated carbon[J].Journal of Hazardous Materials,2009,172(2-3):1591-1596.
[5]Bang S,Korfiatis G P,Meng X.Removal of arsenic from water by zero-valent iron[J].Journal of Hazardous Materials,2005,121(1-3):61-67.
[6]Rao P,Mak M S H,Liu T,et al.Effects of humic acid on arsenic(V)removal by zero-valent iron from groundwater with special references to corrosion products analyses[J].Chemosphere,2009,75(2):0-162.
[7]Lien H L,Wilkin R T.High-level arsenite removal from groundwater by zero-valent iron[J].Chemosphere,2005,59(3):0-386.
[8]Chen C,Xu J,Yang Z,et al.One-pot synthesis of ternary zero-valent iron/phosphotungstic acid/g-C3N4,composite and its high performance for removal of arsenic(V)from water[J].Applied Surface Science,2017,425:423-431.
[9]Liu T,Yang Y,Wang Z L,et al.Remediation of arsenic(III)from aqueous solutions using improved nanoscale zero-valent iron on pumice[J].Chemical Engineering Journal,2016,288(10):739-744.
[10]Wang X,Wang P,Ma J,et al.Synthesis,characterization,and reactivity of cellulose modified nano zero-valent iron for dye discoloration[J].Applied Surface Science,2015,345:57-66.
[11]Gupta A,Yunus M,Sankararamakrishnan N.Zerovalent iron encapsulated chitosan nanospheres-A novel adsorbent for the removal of total inorganic Arsenic from aqueous systems[J].Chemosphere,2012,86(2):150-155.
[12]Sahu U K,Sahu M K,Mohapatra S S,et al.Removal of As(V)from aqueous solution by Ce-Fe bimetal mixed oxide[J].Journal of Environmental Chemical Engineering,2016,4(3):2892-2899.
[13]Li M,Li B,Pan Y,et al.An Aminosalicylic Acid-Modified Cellulose Composite Used for Mercury(II)Removal from Single and Quarternary Aqueous Solutions.Chemistry Select,2018,3:10096-10102.
[14]Su F,Zhou H,Zhang Y,et al.Three-dimensional honeycomb-like structured zero-valent iron/chitosan composite foams for effective removal of inorganic arsenic in water[J].Journal of Colloid&Interface Science,2016,478:421-429.
[15]Qiao J T,Liu T X,Wang X Q,et al.Simultaneous alleviation of cadmium and arsenic accumulation in rice by applying zero-valent iron and biochar to contaminated paddy soils[J].Chemosphere,2017,195:260-271.
[16]Trois C,Cibati A.South African sands as an alternative to zero valent iron for arsenic removal from an industrial effluent:Batch experiments[J].Journal of Environmental Chemical Engineering,2015,3(1):488-498.
[17]Xiong Y,Tong Q,Shan W,et al.Arsenic transformation and adsorption by iron hydroxide/manganese dioxide doped straw activated carbon[J].Applied Surface Science,2017,416.
[18]Li B,Li M,Zhang J,et al.Adsorption of Hg(II)ions from aqueous solution by diethylenetriaminepentaacetic acid-modified cellulose.International Journal of Biological Macromolecules,2018,122:149-156.
[19]Kumar R,Jain S K,Verma S,et al.Mercapto functionalized silica entrapped polyacrylamide hydrogel:Arsenic adsorption behaviour from aqueous solution[J].J Colloid Interface Sci,2015,456:241-245.
[20]Santra D,Sarkar M.Optimization of process variables and mechanism of arsenic(V)adsorption onto cellulose nanocomposite[J].Journal of Molecular Liquids,2016,224:290-302.
[21]Zhou Z,Liu Y G,Liu S B,et al.Sorption performance and mechanisms of arsenic(V)removal by magnetic gelatin-modified biochar[J].Chemical Engineering Journal,2017,314(Complete):223-231.
[22]Tyrovola K,Nikolaidis N P,Veranis N,et al.Arsenic removal from geothermal waters with zero-valent ironlatinct of temperature,phosphate and nitrate[J].Water Research,2006,40(12):0-2386.