多环芳烃类化合物在土壤上的吸附

应用生态学报 ›› 1995, Vol. 6 ›› Issue (4): 423-427.

多环芳烃类化合物在土壤上的吸附

何耀武¹, 区自清¹, 孙铁珩¹, Ayfer Yediler²

1. 中国科学院沈阳应用生态研究所陆地生态系统痕量物质生态过程开放实验室, 沈阳 110015;
2. 德国环境与辐射研究中心生态化学研究所, Neuherberg D-85758

收稿日期:1995-01-25 修回日期:1995-05-28 出版日期:1995-10-25 发布日期:1995-10-25
基金资助:
中－德生态合作(CERP)研究项目;中国科学院陆地生态系统痕量物质生态过程开放实验室基金

Adsorption of polycyclic aromatic hydrocarbons on soils

He Yaowu¹, Ou Ziqing¹, Sun Tieheng¹, Ayfer Yediler²

1. Laboratory of Ecological Process of Trace Substance in Terrestrial Ecosystem, Institute of Applied Ecology, Academia Sinica, Shenyang, 110015;
2. Forschungszentrum für Umwelt and Gesundiheit GmbH Institut für Okologische Chemie, Neuherberg D-85758

Received:1995-01-25 Revised:1995-05-28 Online:1995-10-25 Published:1995-10-25

摘要/Abstract

摘要： 研究了几种多环芳烃化合物在土壤上的吸附行为。通过一个连续投药-取样试验装置,在没有任何其它有机试剂干扰的情况下,测定了荧蒽与菲在土壤上的吸附量。研究表明,这两种多环芳烃化合物在土壤上的吸附量与土壤有机质含量之间呈显着相关。对多环芳烃化合物的分子结构及理化特性,如辛醇-水分配系数、溶解度等参数与LogKoc关系的研究发现多环芳烃化合物的LogKoc与化合物的水溶性、辛酸-水分配系数以及分子结构中的苯环数线性相关。

关键词: 荧蒽, 菲, 吸附, 吸附等温线, 多环芳烃, 黄瓜, 自毒作用, 对羟基苯甲酸, 缓解作用, 褪黑素

Abstract: The adsorption of several polycyclic aromatic hydrocarbons (PAHs) on soils is studied in this paper.Through a continuous applying-sampling apparatus, the adsorption of fluoranthene and phenanthrene on soils from both China and abroad is measured without the interference of any other organic solvents.The results show that adsorption of fluoranthene and phenenthrene on soil correlated significantly with organic carbon contents of soils used as adsorbents.Investigations on the relations between LogKoc and molecular structure, LogKoc and physico-chemical characteristics of chemicals, such as octanol-water partition coefficients (Kow) and aquatic solubility (Sw) show that LogKoc is linearly correlated with LogSw, LogKow and the number of benzene loops in the molecular structure of PAHs.

Key words: Fluoranthene, Phenanthrene, Adsorption, Adsorption isotherm, Polycyclic aromatic hydrocarbons, melatonin, alleviating effect, autotoxicity, p-hydroxybenzoic acid, cucumber

何耀武, 区自清, 孙铁珩, Ayfer Yediler. 多环芳烃类化合物在土壤上的吸附[J]. 应用生态学报, 1995, 6(4): 423-427.

He Yaowu, Ou Ziqing, Sun Tieheng, Ayfer Yediler. Adsorption of polycyclic aromatic hydrocarbons on soils[J]. Chinese Journal of Applied Ecology, 1995, 6(4): 423-427.

参考文献

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