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...

腐植酸对土壤持留多环芳烃的影响

Keywords: 腐植酸,土壤,多环芳烃,可提取率

Full-Text   Cite this paper   Add to My Lib

Abstract:

用腐植酸(HA)提取3种土壤(污灌区土壤、经过氧化的清洁土壤和未经氧化的清洁土壤)中的多环芳烃(PAHs),对比其提取PAHs浓度的变化。结果表明,PAHs的可提取率受其自身性质和PAHs在土壤中持留时间的影响,并随着HA浓度的增加而增加。与氧化土壤相比,未氧化土壤中PAHs的可提取量较小,表明天然HA增加了土壤中PAHs的持留。污灌区土壤中PAHs可提取率较低,其可提取程度远远小于人工污染土壤。

References

[1]  Weigand H, Totsche K U, Knabner I K. Effect of fluctuating input of dissolved organic matter on long-term mobility of polycyclic aromatic hydrocarbons in soils [J]. Phys Chem Earth, 1998, 23(2):211-214.
[2]  Murphy E M, Zachara J M, Smith S C. Influence of mineral-bound humic substances on the sorption of hydrophobic organic compounds [J].Environmental Sci Technol, 1990, 24:1507-1516.
[3]  Conte P, Zena A, Pilidis G, et al. Increased retention of polycyclic aromatic hydrocarbons in soils induced by soil treatment with humic substances [J]. Environmental Pollution, 2001, 112:27-31.
[4]  Yang Y, Ratte D, Smets B F, et al. Mobilization of soil organic matter by complexing agents and implications for polycyclic aromatic hydrocarbon extraction [J]. Chemosphere, 2001, 43: 1013-1021.
[5]  Kim Y J, Osako M. Leaching characteristics of polycyclic aromatic hydrocarbons (PAH) from spiked sandy soil [J]. Chemosphere, 2003, 51:387-395.
[6]  Lassen P, Poulsen M E, Lauridsen F S,et al. Leaching of selected PAH\' s and hetero-analogued from an organic matrix into synthetic ground water. Influence of dissolved humic material [J]. Chemosphere, 1997, 34(2):335-344.
[7]  Kohi S D, Rice J A. Contribution of lipids to the nonlinear sorption of polycyclic aromatic hydrocarbons to soil organic matter [J]. Organic geochemistry, 1996, 30:929-936.
[8]  Khol S D, Rice J A. The banding of contaminants to humic: a mass balance [J]. Chemosphere, 1998, 36(2): 251-261.
[9]  Raber B, Knabner I K, Stein C. Partitioning of polycyclic arom -atic hydrocarbons to dissolved organic mater from different soils[J]. Chemosphere, 1998, 36(1): 79-97.
[10]  崔艳红,朱雪梅,郭丽青.天津污灌区土壤中PAHs的提取、净化和测定[J].环境化学,2002.21(4):392-396.
[11]  刘凌,崔广柏.土地生物处理过程中多环芳烃降解模型及应用[J].土壤学报,2001,38(4):558-568.
[12]  Xing B, Pignatello J J. Duaal-mode sorption of low polarity compounds in glassy poly(vinyl chloride) and soil organic matter[J]. Environmental Science and Technology, 1997,31:792- 799.
[13]  Robinson K G, Farmer W S, Novak J T. Availability of sorbed toluene in soils for biodegradation by acclimated bacteria [J]. Water Res, 1990,24:345-350.
[14]  Pignatelo J J, Xing B. Mechanisms of slow sorption of organic chemicals to natural particles [J]. Environmental Science and Technology,1996, 30:1-11.
[15]  Kim Y J, Osako M. Error causing factors in leaching tests of hydrophibic organic pollutants (1)[A]. In: Proceedings of 12th Annual Conference of Japan Society of Waste Management Experts [C]. 2001.1124-1126.
[16]  Totsche K U, Danzer J, Kogel K I. Dissolved organic matter- enhanced retention of polycyclic aromatic hydrocarbon in soil miscible displacement experiments[J]. JEnvironment Qual, 1997, 26:1090-1100.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133