姚瑶¹,
张世熔¹,
王怡君¹,
王贵胤¹,
徐小逊¹,
李婷²
1.四川农业大学环境学院，成都 611130
2.四川农业大学资源学院，成都 611130
基金项目: 四川省科技支撑计划项目（2014NZ0044）
四川农业大学科研兴趣培养计划项目（20150154）

Effects of different environmentally friendly washing agents on removal of soil heavy metals

YAO Yao¹,
ZHANG Shirong¹,
WANG Yijun¹,
WANG Guiyin¹,
XU Xiaoxun¹,
LI Ting²
1.College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China
2.College of Resources, Sichuan Agricultural University, Chengdu 611130, China

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摘要:采用振荡淋洗法研究衣康酸(IA)、丙烯酸-2-丙烯酰胺-2-甲基丙磺酸共聚物(AA/AMPS)和衣康酸-丙烯酸共聚物(IA-AA)在不同因素影响下对污染土壤Cd、Pb和Zn的淋洗效率。结果表明：3种淋洗剂对土壤Cd、Pb和Zn的去除率随其浓度增加而快速上升，随pH增加呈迅速下降和先升高后降低2种趋势，随淋洗时间总体呈上升趋势；3种淋洗剂在浓度为0.15 mol·L-1且pH为3时，对Cd和Zn去除率最高（39.34%~65.65%）；在相同浓度和pH为5条件下对Pb的去除率最高（22.05%~50.62%）。其中IA-AA对Cd、Pb和Zn的去除率分别可达65.65%、50.62%和44.92%。它们去除的主要重金属组分为酸溶态、可还原态和部分可氧化态，且经IA和IA-AA淋洗的土壤养分损失相对较小。因此，IA-AA是修复Cd、Pb和Zn复合污染土壤有工程应用前景的淋洗剂。
关键词: 土壤淋洗/
重金属/
有机酸/
环保型淋洗剂/
衣康酸-丙烯酸共聚物

Abstract:The effects of three eco-friendly materials including itaconic acid (IA), acrylic acid-2-acrylamido-2-methylpropane sulfonic acid copolymer (AA/AMPS), and itaconic-acrylic acid copolymer (IA-AA) on the removal of Cd, Pb and Zn from contaminated soil were investigated by batch experiments. Results showed that the soil Cd, Pb and Zn removal efficiencies increased dramatically with increasing the concentrations of washing agents, while decreased sharply or augmented at the beginning and then declined quickly with the increase of pH levels. However, they kept increasing over contact time. For three leaching agents, the removal efficiencies of Cd and Zn reached from 39.34 to 65.65% at pH 3 and the concentration of 0.15 mol·L-1, and the removal efficiency of Pb was from 22.05 to 50.62% at pH 5. Among of them, IA-AA had an excellent ability for Cd (65.65%), Pb (50.62%) and Zn (44.92%) removal. The exchangeable, reducible and part of oxidizable fractions of Cd, Pb and Zn decreased markedly after washing. IA and IA-AA had less effects on soil nutrients compared with AA/AMPS. Therefore, IA-AA could be as a potential material to remediate heavy metal contaminated soil.
Key words:soil washing/
heavy metals/
organic acid/
environmentally friendly leaching agents/
itaconic-acrylic acid copolymer.

[1]	BOLAN N, KUNHIKRISHNAN A, THANGARAJAN R, et al.Remediation of heavy metal(loid)s contaminated soils:To mobilize or to immobilize?[J].Journal of Hazardous Materials, 2014,266(4):141-166 10.1016/j.jhazmat.2013.12.018
[2]	曹心德, 魏晓欣, 代革联, 等. 土壤重金属复合污染及其化学钝化修复技术研究进展[J]. 环境工程学报, 2011,5(7):1441-1453
[3]	KHALID S, SHAHID M, NIAZI N K, et al.A comparision of technologies for remediation of heavy metal contaminated soils[J].Journal of Geochemical Exploration, 2016,182:247-268 10.1016/j.gexplo.2016.11.021
[4]	DERMONT G, BERGERON M, MERCIER G, et al.Soil washing for metal removal: A review of physical/chemical technologies and field applications[J].Journal of Hazardous Materials, 2008,152(1):1-31 10.1016/j.jhazmat.2007.10.043
[5]	YAO Z T, LI J H, XIE H H, et al.Review on remediation technologies of soil contaminated by heavy metals[J].Procedia Environmental Sciences, 2012,16(4):722-729 10.1016/j.proenv.2012.10.099
[6]	陶虎春, 丁文毅, 李金波，等. 草酸-FeCl3复合淋洗剂对Pb、Zn污染土壤淋洗效果研究[J]. 安全与环境学报, 2017,17(5):1937-1941
[7]	冯静, 张增强, 李念, 等. 铅锌厂重金属污染土壤的螯合剂淋洗修复及其应用[J]. 环境工程学报, 2015,9(11):5617-5625
[8]	MAO X H, JIANG R, XIAO W, et al.Use of surfactants for the remediation of contaminated soils: A review[J].Journal of Hazardous Materials, 2015,285:419-435 10.1016/j.jhazmat.2014.12.009
[9]	MONDALA A H.Direct fungal fermentation of lignocellulosic biomass into itaconic, fumaric, and malic acids: Current and future prospects[J].Journal of Industrial Microbiology & Biotechnology, 2015,42(4):487-506 10.1007/s10295-014-1575-4
[10]	刘青霞. 一种毒性低易降解共聚物阻垢剂的制备及阻垢性能研究[J]. 山东化工, 2014,43(6):30-32
[11]	刘奥灏, 于萍, 罗运柏.AA/AMPS和PBTCA阻垢性能机理研究[J]. 杭州化工, 2016,46(3):15-18
[12]	张成芬.IA/AA/AMPS三元共聚物的合成及阻垢性能研究[J]. 工业水处理, 2011,31(6):70-72
[13]	PUEYO M, MATEU J, RIGOL A, et al.Use of the modified BCR three-step sequential extraction procedure for the study of trace element dynamics in contaminated soils[J].Environmental Pollution, 2008,152(2):330-341 10.1016/j.envpol.2007.06.020
[14]	鲍士旦. 土壤农化分析[M]. 3版. 北京: 中国农业出版社, 2000
[15]	YANG R X, LUO C L, ZHANG G, et al.Extraction of heavy metals from e-waste contaminated soils using EDDS[J].Journal of Environmental Sciences, 2012,24(11):1985-1994 10.1016/S1001-0742(11)61036-X
[16]	李小孟，孟庆俊，高波，等.溶解性有机质对重金属在土壤中吸附和迁移的影响[J].科学技术与工程.2016,34(16):314-319
[17]	吴烈善, 吕宏虹, 苏翠翠, 等. 环境友好型淋洗剂对重金属污染土壤的修复效果[J]. 环境工程学报, 2014,8(10):4486-4491
[18]	郭晓方, 卫泽斌, 许田芬, 等. 不同pH值混合螯合剂对土壤重金属淋洗及植物提取的影响[J]. 农业工程学报, 2011,27(7):96-100
[19]	OTTOSEN L M, HANSEN H K, JENSEN P E.Relation between pH and desorption of Cu, Cr, Zn, and Pb from industrially polluted soils[J].Water, Air and Soil Pollution, 2009,201(1/2/3/4):295-304 10.1007/s11270-008-9945-z
[20]	ZHANG W, TONG L, YUAN Y, et al.Influence of soil washing with a chelator on subsequent chemical immobilization of heavy metals in a contaminated soil[J].Journal of Hazardous Materials, 2010,178(1/2/3):578-587 10.1016/j.jhazmat.2010.01.124
[21]	周卫红, 张静静, 邹萌萌, 等. 土壤重金属有效态含量检测与监测现状、问题及展望[J]. 中国生态农业学报, 2017,25(4):605-615
[22]	LESTAN D, UDOVIC M.Mobility and availability of toxic metals after soil washing with chelating agents[M]//KHAN M S, ZAIDI A, GOEL R, et al.Biomanagement of Metal-Contaminated Soils.Springer Netherlands,2011.
[23]	JELUSIC M, LESTAN D.Effect of EDTA washing of metal polluted garden soils.Part I: Toxicity hazards and impact on soil properties[J].Science of the Total Environment, 2014,475:132-141 10.1016/j.scitotenv.2013.11.049
[24]	YI Y M, SUNG K.Influence of washing treatment on the qualities of heavy metal-contaminated soil[J].Ecological Engineering, 2015,81(8):89-92 10.1016/j.ecoleng.2015.04.034
[25]	贺海升, 王文杰, 朱虹. 盐碱地土壤改良剂施用对种子萌发和生长的影响. 生态学报, 2008,28(11):5338-5346

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刊出日期:2018-07-26

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3种环保型淋洗剂对重金属污染土壤的淋洗效果

姚瑶¹,
张世熔¹,
王怡君¹,
王贵胤¹,
徐小逊¹,
李婷²
1.四川农业大学环境学院，成都 611130
2.四川农业大学资源学院，成都 611130
基金项目: 四川省科技支撑计划项目（2014NZ0044） 四川农业大学科研兴趣培养计划项目（20150154）
关键词: 土壤淋洗/
重金属/
有机酸/
环保型淋洗剂/
衣康酸-丙烯酸共聚物
摘要:采用振荡淋洗法研究衣康酸(IA)、丙烯酸-2-丙烯酰胺-2-甲基丙磺酸共聚物(AA/AMPS)和衣康酸-丙烯酸共聚物(IA-AA)在不同因素影响下对污染土壤Cd、Pb和Zn的淋洗效率。结果表明：3种淋洗剂对土壤Cd、Pb和Zn的去除率随其浓度增加而快速上升，随pH增加呈迅速下降和先升高后降低2种趋势，随淋洗时间总体呈上升趋势；3种淋洗剂在浓度为0.15 mol·L-1且pH为3时，对Cd和Zn去除率最高（39.34%~65.65%）；在相同浓度和pH为5条件下对Pb的去除率最高（22.05%~50.62%）。其中IA-AA对Cd、Pb和Zn的去除率分别可达65.65%、50.62%和44.92%。它们去除的主要重金属组分为酸溶态、可还原态和部分可氧化态，且经IA和IA-AA淋洗的土壤养分损失相对较小。因此，IA-AA是修复Cd、Pb和Zn复合污染土壤有工程应用前景的淋洗剂。

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