大蒜渣负载型纳米零价铁处理含Cu(Ⅱ)废水研究
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摘要
利用大蒜渣负载型纳米零价铁对脱除水中Cu~(2+)的反应行为和效果进行了探索,并对其脱除机理做了探讨。试验发现,在初始Cu~(2+)浓度20mg/L、pH=4,固液比为25mg/15mL的条件下,用负载纳米零价铁的大蒜皮对废水进行吸附,废水中Cu~(2+)的去除效率最高可达94.15%。
Reaction behavior and effect of garlic residual particles loaded nano zero valent iron on removal of Cu~(2+) from waste water were explored.The removal mechanism was discussed.The results show that removal rate of Cu~(2+) from waste water is up to 94.15% under the conditions including initial Cu~(2+) concentration of 0.002%,pH value of 4,and ratio of solid to liquid of 25 mg/15 mL.
Reaction behavior and effect of garlic residual particles loaded nano zero valent iron on removal of Cu~(2+) from waste water were explored.The removal mechanism was discussed.The results show that removal rate of Cu~(2+) from waste water is up to 94.15% under the conditions including initial Cu~(2+) concentration of 0.002%,pH value of 4,and ratio of solid to liquid of 25 mg/15 mL.
引文
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[4]罗小兵.用溶剂萃取法从紫金山铜矿硐坑水中回收铜[J].湿法冶金,2012,31(6):366-368.
[5]张雨山,王静,陈艳英.溶剂萃取法从化学镀铜废液中回收铜[J].无机盐工业,2002,34(2):35-36.
[6]张剑波,王维敬,祝乐.离子交换树脂对有机废水中铜离子的吸附[J].水处理技术,2001,27(1):29-32.
[7]雷兆武.离子交换法处理印刷电路板含铜废水试验[J].电镀与精饰,2012,34(11):40-42.
[8]成四喜,黄铮铮,雷筱娱,等.离子交换树脂法处理含铜废水的研究进展[J].化工环保,2014,35(3):230-234.
[9]DABROWSKI A,HUBICKI Z,PODKOS'CIELNY P,et al.Selective removal of the heavy metal ions from waters and industrial wastewaters by ion-exchange method[J].Chemosphere,2004,56(2):91-95.
[10]VAARAMAA K,LEHTO J.Removal of metals and anions from drinking water by ion exchange[J].Desalination,2003,155(2):157-170.
[11]段睿,王立和,杨翠英,等.常温中和铁氧体法处理高浓度含铜废水的研究[J].工业水处理,2013,33(5):53-56.
[12]李文聪.采用液相还原法从含铜废液中制备超微细铜粉的研究[D].广州:暨南大学,2015.
[13]ZHANG W X.Nanoscale iron particles for environmental remediation:An overview[J].Journal of Nanoparticle Research,2003(5):323-332.
[14]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):1591-1596.
[15]ZHU B W,LIM T T,FENG J.Reductive dechlorination of1,2,4-trichlorobenzene with palladized nanoscale Fe-0particles supported on chitosan and silica[J].Chemosphere,2006,65(7):1137-1145.
[16]SHU H Y,CHANG M C,CHEN C C,et al.Using resin supported nano zero-valent iron particles for decoloration of Acid Blue 113azo dye solution[J].Journal of Hazardous Materials,2010,184(1/2/3):499-505