Pb(II)、Cu(II)、Cd(II)在黄土上二元竞争吸附特性研究

刘晶晶; 唐晓武; 王艳

doi:10.11779/CJGE201402009

Pb(II)、Cu(II)、Cd(II)在黄土上二元竞争吸附特性研究 English Version

1.浙江大学滨海和城市岩土工程研究中心,浙江杭州 310058; 2.宁波大学建筑工程与环境学院,浙江宁波 315211

基金项目: 国家自然科学基金项目（51179168,51308310）; 浙江省自然科学基金项目（LQ13E080007）; 浙江省教育厅项目（Y201327563）; 宁波大学学科项目（xkl1337）

详细信息

作者简介:
刘晶晶(1988- )，女，硕士，主要从事环境岩土工程方面的研究。E-mail: wangyan@nbu.edu.cn。

通讯作者:
王艳

中图分类号: TU411
计量
- 文章访问数: 0309
- HTML全文浏览量: 0
- PDF下载量: 0418
出版历程
- 收稿日期: 2013-06-16
- 发布日期: 2014-02-20

Competitive adsorption behavior and mechanism of loess towards Pb(II), Cu(II) and Cd(II)

1. Research Center of Costal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China; 2. Faculty of Architecture, Civil Engineering and Environment, Ningbo University, Ningbo 315211, China

摘要

摘要: 铅、铜、镉是3种具有代表性的重金属污染物,可用于模拟多重离子复合污染情况。研究了离子浓度、土水比等因素对3种元素在黄土上二元竞争吸附特性的影响。等温吸附模型Langmuir、Freundlich和D-R模型都能在一定程度上解释Pb(II)-Cu(II)、Pb(II)-Cd(II)、Cu(II)-Cd(II)在黄土上的竞争吸附性能。黄土对Pb(II)、Cu(II)、Cd(II)的选择顺序为Pb(II)>Cu(II)>Cd(II)。相比单一吸附,黄土对每种离子的吸附容量均有不同程度的下降。溶液的初始浓度越大,3种离子在单位黄土上的最大吸附量也随之增大,吸附效率随之降低；适当增大土水比可提高离子的去除效率。试验结果为黄土作为防污屏障和污水处理材料提供了依据。
- Pb(II) /
- Cu(II) /
- Cd(II) /
- 黄土 /
- 重金属污染 /
- 竞争吸附
Abstract: Lead, copper, cadmium is three kinds of typical heavy metal contaminants which can be used to simulate the solution of composite contaminate. The factors including the concentration and soil-water ratio are studied to investigate the competitive adsorption behaviors of loess towards Pb(II), Cu(II) and Cd(II). The adsorption test results can be interpreted by three isotherm models (i.e., Langmuir, Freundlich and D-R models) to certain extent. The preference ranking of loess to three heavy metal ions is Pb(II)>Cu(II)>Cd(II). Compared with those of single adsorption, the adsorption capacities of the competitive ions on loess decrease to some extent. Higher initial concentration of heavy metal ions leads to larger optimum adsorption amount of loess, and the adsorption removal efficiency decreases at the same time. The removal efficiency of three heavy metal ions from aqueous solution can be increased by increasing the solid-liquid ratio. The results may provide an evidence for loess as the containment barrier system as well as the adsorbent removing heavy metal containment in aquatic environment.
- lead /
- copper /
- cadmium /
- loess /
- heavy metal contamination /
- competitive adsorption

HTML全文

参考文献(20)

[1]	SARADA B, PRASAD M K, KUMAR K K, et al. Potential use of leaf biomass, araucaria heterophylla for removal of Pb⁺²[J]. International Journal of Phytoremediation, 2013, 15(8): 756-773.
[2]	DIXIT S, SINGH D P. Phycoremediation of lead and cadmium by employing nostoc muscorum as biosorbent and optimization of its biosorption potential[J]. International Journal of Phytoremediation, 2013, 15(8): 801-813.
[3]	CERINO-CORDOVA F J, DIAZ-FLORES P E, GARCIA-REYES R B, et al. Biosorption of Cu(II) and Pb(II) from aqueous solutions by chemically modified spent coffee grains[J]. International Journal of Environmental Science and Technology, 2013, 10(3): 611-622.
[4]	SHAHBAZI A, YOUNESI H, BADIEI A. Batch and fixed-bed column adsorption of Cu(II), Pb(II) and Cd(II) from aqueous solution onto functionalised SBA-15 mesoporous silica[J]. Canadian Journal of Chemical Engineering, 2013, 91(4): 739-750.
[5]	CHEN G Q, GUAN S, ZENG G M, et al. Cadmium removal and 2, 4-dichlorophenol degradation by immobilized Phanerochaete chrysosporium loaded with nitrogen-doped TiO2 nanoparticles[J]. Applied Microbiology and Biotechnology, 2013, 97(7): 3149-3157.
[6]	GB3838—2002 地表水环境质量标准[S]. 2002. (GB3838—2002 Environmental quality standard for surface water[S]. 2002. (in Chinese))
[7]	GB8978—1996 污水综合排放标准[S]. 1996. (GB8978—1996 Integrated water discharge standard[S]. 1996. (in Chinese))
[8]	郭鸿, 骆亚生, 李广冬. 考虑地区差异性的饱和黄土三轴渗透试验研究[J]. 中国农村水利水电, 2009(10): 112-114. (GUO Hong, LUO Ya-sheng, LI Guang-dong. Experimental research on triaxial seepage test of saturated loess based on regional differences[J]. China Rural Water and Hydropower, 2009(10): 112-114. (in Chinese))
[9]	LI Z Z, TANG X W, CHEN Y M, et al. Sorption behavior and mechanism of Pb(II) on Chinese loess[J]. Journal of Environmental Engineering-ASCE, 2009, 135(1): 58-67.
[10]	TANG X W, LI Z Z, CHEN Y M, et al. Removal of Zn(II) from aqueous solution with natural Chinese loess: behaviors and affecting factors[J]. Desalination, 2009, 249(1): 49-57.
[11]	TANG X W, LI Z Z, CHEN Y M, et al. Removal of Cu(II) from aqueous solution by adsorption on Chinese quaternary loess: kinetics and equilibrium studies[J]. Journal of Environmental Science and Health Part A, 2008, 43(7): 1-13.
[12]	WANG Y, TANG X W, CHEN Y M, et al. Adsorption behavior and mechanism of Cd(II) on loess soil from China[J]. Journal of Hazardous Materials, 2009, 172(1): 30-37.
[13]	王艳, 唐晓武, 王恒宇, 等. 重金属Mn(II)在黄土上的吸附和解吸特性研究[J]. 岩土工程学报, 2011, 33(增刊1)： 369-373. (WANG Yan, TANG Xiao-wu, WANG Heng-yu, et al. Sorption and desorption behaviors of heavy metal Mn(II) on loess soil[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(S1): 369-373. (in Chinese))
[14]	王艳, 唐晓武, 刘晶晶, 等. 黄土对锰离子的吸附特性及机理研究[J]. 岩土工程学报, 2012, 34(12): 2292-2298. (WANG Yan, TANG Xiao-wu, LIU Jing-jing, et al. Adsorption behavior and mechanism of loess soil towards manganese ions[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(12): 2292-2298. (in Chinese))
[15]	GILES C H, SMITH D, HUITSON A. A general treatment and classification of the solute sorption isotherms. I. Theoretical[J]. Journal of Colloid and Interface Science, 1974, 47(3): 755-765.
[16]	DO D D. Adsorption analysis: equilibria and kinetics[M]. London: Imperical College Press, 1998.
[17]	ÖZCAN A, ÖNCÜ E M, ÖZCAN A S. Kinetics, isotherm and thermodynamic studies of adsorption of Acid Blue 193 from aqueous solutions onto natural sepiolite[J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2006, 277(1/2/3): 90-97.
[18]	COVELO E F, ANDRADE M L, VEGA F A. Heavy metal adsorption by humic umbrisols: selectivity sequences and competitive sorption kinetics[J]. Journal of Colloid and Interface Science, 2004, 280(1): 1-8.
[19]	DIJKSTRA J J, MEEUSSEN J C L, COMANS R N J. Leaching of heavy metals from contaminated soils: An experimental and modeling study[J]. Environmental Science and Technology, 2004, 38(16): 4390-4395.
[20]	VIDAL M, SANTOS M J, ABRAO T, et al. Modeling competitive metal sorption in a mineral soil[J]. Geoderma, 2009, 149(3/4): 189-198.

施引文献(12)

期刊类型引用(7)

1.	刘志，杨阳. 黄原胶联合微生物加固改善混合砂蓄水特性试验研究. 土木与环境工程学报(中英文). 2025(03): 49-57 . 百度学术
2.	梁越，冉裕星，许彬，张鑫强，何慧汝. 细颗粒含量影响渗流侵蚀规律的细观机理研究. 岩土工程学报. 2025(05): 1099-1106 . 本站查看
3.	高霞，梅雯艳，吴强，崔祥龙. 球度和扁平度对含瓦斯水合物煤体宏细观力学性质影响研究. 中国安全生产科学技术. 2025(05): 86-94 . 百度学术
4.	蔡国庆，刁显锋，杨芮，王北辰，高帅，刘韬. 基于CFD-DEM的流-固耦合数值建模方法研究进展. 哈尔滨工业大学学报. 2024(01): 17-32 . 百度学术
5.	程建毅，郭晓军，李泳. 泥石流物源土体标度分布参数与粘聚力的关系. 山地学报. 2024(03): 401-410 . 百度学术
6.	孙增春，刘汉龙，肖杨. 砂-粉混合料的分数阶塑性本构模型. 岩土工程学报. 2024(08): 1596-1604 . 本站查看
7.	孙建强. 颗粒形状对黄土干密度与抗剪强度的影响. 黑龙江工程学院学报. 2024(06): 8-15+23 . 百度学术