化学沉淀法处理重金属废水的研究进展
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摘要
重金属不同于有机污染物,其不能够生物降解,长时间接触重金属(铬,铜,镍,汞,镉和铅)极易积累在生物体内。许多重金属具有致癌性和高毒性。化学沉淀法作为目前使用最为广泛的手段之一,在处理含重金属废水方面有很大的优势。本文综述了常见的3种化学沉淀法:加碱沉淀法,硫化物沉淀法,铁氧化物沉淀法在重金属废水处理中的进展,并对未来化学沉淀法的发展提出了展望。
Heavy metals are different from organic pollutants. They cannot be biodegraded. Long-term exposure to heavy metals(chromium, copper, nickel, mercury, cadmium, and lead)can easily accumulate in living organisms. Many heavy metals are carcinogenic and highly toxic. As the most widely used heavy metal treatment method, chemical precipitation method has a great advantage in the treatment of heavy metals. In this paper, three common chemical precipitation methods are summarized: the progress of alkali precipitation, sulfide precipitation and iron oxide precipitation in the treatment of heavy metal wastewater, and the future prospects of chemical pre-cipitation treatment of heavy metal wastewater are presented.
Heavy metals are different from organic pollutants. They cannot be biodegraded. Long-term exposure to heavy metals(chromium, copper, nickel, mercury, cadmium, and lead)can easily accumulate in living organisms. Many heavy metals are carcinogenic and highly toxic. As the most widely used heavy metal treatment method, chemical precipitation method has a great advantage in the treatment of heavy metals. In this paper, three common chemical precipitation methods are summarized: the progress of alkali precipitation, sulfide precipitation and iron oxide precipitation in the treatment of heavy metal wastewater, and the future prospects of chemical pre-cipitation treatment of heavy metal wastewater are presented.
引文
[1]任滨侨,欧阳凤菊,宋晓晓.农林废弃物处理重金属废水的研究进展[J].化学工程师, 2017, 31(8):54-56.
[2]郭燕妮,方增坤,胡杰华,等.化学沉淀法处理含重金属废水的研究进展[J].工业水处理, 2011, 31(12):9-13.
[3] Meng XHu. Research Progress of Heavy Metal Ions Removal in Desulfurization Wastewater[J]. 2016, 4(3):85-90.
[4] Peligro F R, Pavlovic I, Rojas R, et al. Removal of heavy metals from simulated wastewater by in situ formation of layered double hydroxides[J]. Chemical Engineering Journal, 2016, 306:1035-1040.
[5]胡运俊,盛田田,薛晓芹,等.重金属捕集剂对水中微量Hg(Ⅱ)的处理研究[J].环境科学, 2013, 34(9):3486-3492.
[6]邵红艳,余海宁,熊小龙,等.改进硫化物沉淀法处理氨羧配位剂电镀镉废水的研究[J].电镀与环保, 2018,(1):61-63.
[7] Ye M, Li G, Yan P, et al. Removal of metals from lead-zinc mine tailings using bioleaching and followed by sulfide precipitation[J].Chemosphere, 2017, 185:1189-1192.
[8]黄健.硫化法处理银湿法精炼废水中重金属工艺研究[J].科研, 2016,(7):56-57.
[9]李亚林,刘蕾,李福举,等. Na2S-重金属捕集剂(DTC)协同处理酸性含铬废水[J].现代化工, 2017, 37(5):106-110.
[10]雷鸣,田中干也,廖柏寒,等.硫化物沉淀法处理含EDTA的重金属废水[J].环境科学研究, 2008, 21(1):150-154.
[11] Azzam A M, El-Wakeel S T, Mostafa B B, et al. Removal of Pb,Cd, Cu and Ni from aqueous solution using nano scale zero valent iron particles[J]. Journal of Environmental Chemical Engineering,2016, 4(2):2196-2206.
[12] O. elebi,. züm, T. Shahwan, et al. A radiotracer study of the adsorption behavior of aqueous Ba(2+)ions on nanoparticles of zero-valent iron.[J]. Journal of Hazardous Materials, 2007, 148(3):761-767.
[13]邓腾,魏海彬,陈昕,等.生物制剂法和铁氧体法处理重金属废水[J].南昌大学学报(工科版), 2017(4):343-346.
[14] Liu J, Liu A, Zhang W X. The influence of polyelectrolyte modification on nanoscale zero-valent iron(n ZVI):Aggregation, sedimentation, and reactivity with Ni(II)in water[J]. Chemical Engineering Journal, 2016, 303:268-274.
[15]商娟,赵军.壳聚糖改性对磁性Fe3O4吸附去除Pb(Ⅱ)和Cd(Ⅱ)的影响研究[J].环境污染与防治, 2017, 39(7):746-751.
[16] Wen Z, Zhang Y, Guo S, et al. Facile template-free fabrication of iron manganese bimetal oxides nanospheres with excellent capability for heavy metals removal[J]. Journal of Colloid&Interface Science, 2017, 486:211-218.
[17]杨二帅,蔡晓君,周梅,等.重金属废水的处理技术研究[J].当代化工, 2018,(1):167-170.
[2]郭燕妮,方增坤,胡杰华,等.化学沉淀法处理含重金属废水的研究进展[J].工业水处理, 2011, 31(12):9-13.
[3] Meng XHu. Research Progress of Heavy Metal Ions Removal in Desulfurization Wastewater[J]. 2016, 4(3):85-90.
[4] Peligro F R, Pavlovic I, Rojas R, et al. Removal of heavy metals from simulated wastewater by in situ formation of layered double hydroxides[J]. Chemical Engineering Journal, 2016, 306:1035-1040.
[5]胡运俊,盛田田,薛晓芹,等.重金属捕集剂对水中微量Hg(Ⅱ)的处理研究[J].环境科学, 2013, 34(9):3486-3492.
[6]邵红艳,余海宁,熊小龙,等.改进硫化物沉淀法处理氨羧配位剂电镀镉废水的研究[J].电镀与环保, 2018,(1):61-63.
[7] Ye M, Li G, Yan P, et al. Removal of metals from lead-zinc mine tailings using bioleaching and followed by sulfide precipitation[J].Chemosphere, 2017, 185:1189-1192.
[8]黄健.硫化法处理银湿法精炼废水中重金属工艺研究[J].科研, 2016,(7):56-57.
[9]李亚林,刘蕾,李福举,等. Na2S-重金属捕集剂(DTC)协同处理酸性含铬废水[J].现代化工, 2017, 37(5):106-110.
[10]雷鸣,田中干也,廖柏寒,等.硫化物沉淀法处理含EDTA的重金属废水[J].环境科学研究, 2008, 21(1):150-154.
[11] Azzam A M, El-Wakeel S T, Mostafa B B, et al. Removal of Pb,Cd, Cu and Ni from aqueous solution using nano scale zero valent iron particles[J]. Journal of Environmental Chemical Engineering,2016, 4(2):2196-2206.
[12] O. elebi,. züm, T. Shahwan, et al. A radiotracer study of the adsorption behavior of aqueous Ba(2+)ions on nanoparticles of zero-valent iron.[J]. Journal of Hazardous Materials, 2007, 148(3):761-767.
[13]邓腾,魏海彬,陈昕,等.生物制剂法和铁氧体法处理重金属废水[J].南昌大学学报(工科版), 2017(4):343-346.
[14] Liu J, Liu A, Zhang W X. The influence of polyelectrolyte modification on nanoscale zero-valent iron(n ZVI):Aggregation, sedimentation, and reactivity with Ni(II)in water[J]. Chemical Engineering Journal, 2016, 303:268-274.
[15]商娟,赵军.壳聚糖改性对磁性Fe3O4吸附去除Pb(Ⅱ)和Cd(Ⅱ)的影响研究[J].环境污染与防治, 2017, 39(7):746-751.
[16] Wen Z, Zhang Y, Guo S, et al. Facile template-free fabrication of iron manganese bimetal oxides nanospheres with excellent capability for heavy metals removal[J]. Journal of Colloid&Interface Science, 2017, 486:211-218.
[17]杨二帅,蔡晓君,周梅,等.重金属废水的处理技术研究[J].当代化工, 2018,(1):167-170.