| 土壤pH值对土壤多环芳烃纵向迁移影响的模拟实验研究 |
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| 引用本文： | 康耘,葛晓立.土壤pH值对土壤多环芳烃纵向迁移影响的模拟实验研究[J].岩矿测试,2010,29(2):123-126. |
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| 作者姓名： | 康耘 葛晓立 |
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| 作者单位： | 1. 首都师范大学资源环境与旅游学院,北京,100037
2. 国家地质实验测试中心,北京,100037;中国国土资源航空物探遥感中心对地观测技术工程实验室,北京,100083 |
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| 基金项目： | 国土资源部百人计划项目资助 |
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| 摘 要： | 影响土壤多环芳烃(PAHs)纵向迁移行为的环境因素很多。文章以氧化钙和冰乙酸改变采自徐州土壤的pH值水平,人工装填土柱进行纵向淋滤试验,研究pH值对土壤PAHs纵向迁移行为的影响。结果表明,土壤pH值的变化加强了PAHs在土柱中的纵向淋滤能力,表层土壤中的PAHs可迅速向底层转移;不同种类的PAHs淋滤特性表现不同,pH值增加更能增强低环PAHs的迁移淋滤能力,pH值降低则更能促进高环PAHs从土壤表层向深部迅速迁移。
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| 关 键 词： | pH值 多环芳烃 土柱 纵向迁移 |
| 收稿时间： | 2009/6/15 0:00:00 |
| 修稿时间： | 2009/10/10 0:00:00 |
Simulation Experiments on Influences of pH Level on the Vertical Migration of Polycyclic Aromatic Hydrocarbons in Soils |
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| KANG Yun and GE Xiao li.Simulation Experiments on Influences of pH Level on the Vertical Migration of Polycyclic Aromatic Hydrocarbons in Soils[J].Rock and Mineral Analysis,2010,29(2):123-126. |
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| Authors: | KANG Yun and GE Xiao li |
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| Institution: | 2,3 (1.College of Resource Environment & Tourism,Capital Normal University,Beijing 100037,China;2.National Research Center for Geoanalysis,Beijing 100037,China;3.Laboratory of the Earth Observation Technology,China Aero Geophysical Survey & Remote Sensing Center for Land and Resources,Beijing 100083,China) |
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| Abstract: | The vertical migration behaviors of polycyclic aromatic hydrocarbons (PAHs) in soils are influenced by a number of factors. To study the effect of pH on the vertical migration of PAHs in soils, soil samples collected from Xuzhou were loaded artificially in the columns and adjusted to different pH levels with CaO and HAc. And deionized water was used as leaching solution. The results showed that PAHs in the soil columns with different pH values had different vertical migration behaviors. Low ring PAHs had strong vertical migration capability in soil columns with higher pH level. In contrast, high ring PAHs had strong vertical migration capability in soil columns with lower pH level. |
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| Keywords: | pH value polycyclic aromatic hydrocarbons (PAHs) soil column vertical migration |
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