全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
环境化学  2015 

不同浓度条件下萘与菲在土壤中的竞争吸附行为

Keywords: 竞争吸附,疏水有机污染物,土壤

Full-Text   Cite this paper   Add to My Lib

Abstract:

实验研究了8个不同浓度萘和菲在土壤中竞争吸附的行为.研究结果表明萘和菲在相互竞争下,表现出与单一纯溶质吸附时不同的吸附行为.随着双溶质竞争体系中的菲或萘浓度的增加,萘和菲的吸附等温线的线性程度都不断升高,吸附量不断下降.体积大、疏水性更强的菲比体积小、疏水性较小的萘具有更强的竞争吸附能力.

References

[1]  Carroll K M, Harkness M R,Bracco A A, Application of a Permeat/Polymer Diffusional Model to Desorption of Polychlorinated Biphenyls from Hudson River Sediments [J].Environ.Sci.Technol.,1994,28:253—258
[2]  Pignatello J J,Xing B, Mechanisms of Slow Sorption of Organic Chemicals to Natural Particles[J].Environ.Sci.Technol.,1996,30:1—11
[3]  Huang W, Weber W J,A Distributed Reactivity Model for Sorption by Soil and Sediment.11.Slow Concentration-Dependent Sorption Rates [J].Environ.Sci.Technol.,1998,32:3549—3555
[4]  [JP2]Kleineidam S, Rugner H, Ligouis B et al., Organic Matter Facies and Equilibrium Sorption of Phenanthrene [J].Environ. Sci. Technol.,1999,33:1637—1644
[5]  Chen D Y, Xing B S,Xie W B, Sorption of Phenanthrene, Naphthalene and o-xylene by Soil Organic Matter Fractions [J].Geoderma, 2007,139:329—335
[6]  Ran Y,Sun K, Yang Y et al.,Strong Sorption of Phenanthrene by Condensed Organic Matter in Soils and Sediments [J]. Environ.Sci.Technol,2007, 41,3952—3958
[7]  王劲文,刘文,巩颍等,菲与吡啶在沉积物及粘土矿物上的吸附行为 [J].环境化学,2009,28(2):185—190
[8]  Xing B S, Joseph J P, Competitive Sorption between Atrazine and Other Organic Compounds in Soils and Model Sorbents [J].Environ.Sci.Technol.,1996,30:2432—2440
[9]  Jason C W,Joseph J P,Influence of Bisolute Competitive on the Desorption Kinetics of Polycyclic Aromatic Hydrocarbons in Soil [J].Environ.Sci.Technol.,1999, 33:4292—4298
[10]  Bonin J L, Simposon M J, Variation in Phenanthrene Sorption Coefficients with Soil Organic Matter Fraction:the Result of Structure or Conformation [J].Envion.Sci.Technol., 2007, 41:153—159
[11]  Sun K, Ran Y, Yang Y et al., Sorption of Phenanthrene by Nonhydrolyzable Organic Matter from Different Size Sediments [J].Environ.Sci.Technol,2008, 42, 1961—1966
[12]  Xia G S, William P B,Polanyi-Based Models for the Competitive Sorption of Low-Polarity Organic Contaminants on Natural Sorbent [J].Environ.Sci.Technol.,2000, 34:1246—1253
[13]  徐霞,朱利中,共生有机物对毒死蜱在沉积物上吸附的影响 [J].中国环境科学,2003,23(4):399—402
[14]  Chiou C T, McGroddy S E, Kile D E,Partition Characteristics of Polycyclic Aromatic Hydrocarbons on Soils and Sediments [J]. Environmental Science Technology,1998, 32:264—269
[15]  Chiou C T,Kile D E,Deviations from Sorption Linearity on Soil Compounds at Low Relative Concentrations [J].Environ. Sci. Technol.,1998, 32:338—343

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133