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| 长江口滨岸带潮滩沉积物中菲的吸附特征 | |
| 引用本文： | 晏彩霞,杨毅,王丽丽,付佳露,汪祖丞,侯立军,刘敏.长江口滨岸带潮滩沉积物中菲的吸附特征[J].环境科学学报,2011,31(3):567-574. |
| 作者姓名： | 晏彩霞 杨毅 王丽丽 付佳露 汪祖丞 侯立军 刘敏 |
| 作者单位： | 1. 南京大学污染控制与资源化研究国家重点实验室,南京,210093;华东师范大学资源与环境科学学院,地理信息科学教育部重点实验室,上海,200062 2. 华东师范大学资源与环境科学学院,地理信息科学教育部重点实验室,上海,200062 3. 华东师范大学河口海岸学国家重点实验室,上海,200062 |
| 基金项目： | 南京大学污染控制与资源化研究国家重点实验室开放基金项目（No.PCRRF09012）;教育部博士点专项基金资助项目（No.20090076120022）；国家自然科学基金项目（No.40901256,40971268）；归国留学人员启动基金项目 |
| 摘 要： | 以菲为多环芳烃的代表物,对长江口滨岸带潮滩沉积物进行吸附实验,并研究不同盐度、营养盐和温度条件下和不同沉积物组分对吸附的影响.结果表明,Freundlich吸附等温线能较好的拟合实验值,其KFr值与各样点TOC含量变化趋势一致,而非线性特征随样品TOC含量升高及吸附能力的增强而降低.盐度对吸附略有影响,而对于TOC含量... |
| 关 键 词： | 菲 吸附 沉积物 影响因子 |
| 收稿时间： | 7/7/2010 7:30:30 PM |
| 修稿时间： | 10/9/2010 6:55:23 PM |
Phenanthrene sorption to tidal sediments from the Yangtze River Estuary |
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| YAN Caixi,YANG Yi,WANG Lili,FU Jialu,WANG Zucheng,HOU Lijun and LIU Min.Phenanthrene sorption to tidal sediments from the Yangtze River Estuary[J].Acta Scientiae Circumstantiae,2011,31(3):567-574. | |
| Authors: | YAN Caixi YANG Yi WANG Lili FU Jialu WANG Zucheng HOU Lijun and LIU Min |
| Institution: | 1. State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing 210093; 2. Department of Geography, Key Laboratory of Geographic Information Science of the Ministry of Education, East China Normal University, Shanghai 200062,Department of Geography, Key Laboratory of Geographic Information Science of the Ministry of Education, East China Normal University, Shanghai 200062,Department of Geography, Key Laboratory of Geographic Information Science of the Ministry of Education, East China Normal University, Shanghai 200062,Department of Geography, Key Laboratory of Geographic Information Science of the Ministry of Education, East China Normal University, Shanghai 200062,Department of Geography, Key Laboratory of Geographic Information Science of the Ministry of Education, East China Normal University, Shanghai 200062,State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062 and Department of Geography, Key Laboratory of Geographic Information Science of the Ministry of Education, East China Normal University, Shanghai 200062 |
| Abstract: | Phenanthrene was chosen as a probe compound and representative of PAHs to determine equilibrium sorption isotherms for tidal sediments from the Yangtze River Estuary. To study the factors that influence the sorption process, sorption experiments were performed at different salinities, nutrient salt concentrations and temperatures and with different sediment fractions. The results showed that the Freundlich model fit the experimental data well. With the increased TOC contents, KFr values increased, while n values decreased. Salinity had slight impact on the sorption, but no influence was seen for samples with low TOC. Moreover, nutrient concentrations did not show significant influence on the sorption isotherms. Sorption capacities grew slightly higher at higher temperature, but the n values were stable. Samples were treated sequentially to remove inorganic and organic carbon. Sorption experiments with treated samples showed that the contribution of the inorganic carbon to the total sorption was insignificant, while organic carbon (OC) played an important role in the total sorption. OC controlled the whole sorption in Wusongkou(WSK)samples with TOC>1%; whereas for Laogang(LG) samples with 0.1% |
| Keywords: | phenanthrene sorption sediments factors |
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