ORIGINAL RESEARCH
Effect of Anion Surfactants on the Adsorption of Polycyclic Aromatic Hydrocarbons on Sediment under Estuarine Mix Conditions
Xiaojie Qian 1  
,   Kai Liu 2  
,   Hairui Yao 3  
,   Xiongfei Yin 4  
,   Guangtao Zhao 5  
,   Bingchen Wang 6  
,   Haimei Li 7  
 
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1
Fujian Institute of Tropical Crops, Zhangzhou, China
2
Bureau of Marine Development and Fisheries of Dongying Municipality, Dongying, China
3
School of Natural and Applied Sciences, Northwestern Polytechnic University, Xian, China
4
China Academy of Building Research, Beijing, China
5
Department of Anatomy, School of Basic Medicine, Binzhou Medical University, Yantai, China
6
College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao, China
7
Yantai Engineering and Technology College, Yantai, China
CORRESPONDING AUTHOR
Kai Liu   

Bureau of Marine Development and Fishery of Dongying Municipality, China
Submission date: 2019-02-05
Final revision date: 2019-04-08
Acceptance date: 2019-05-08
Online publication date: 2019-12-05
Publication date: 2020-02-13
 
Pol. J. Environ. Stud. 2020;29(2):1793–1803
 
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ABSTRACT
We investigated the adsorption of phenanthrene (PHE) onto estuarine sediment with varied salinity and concentrations of anionic surfactant (sodium dodecyl benzene sulfonate, SDBS). It is a critical step for better understanding of the migration of polycyclic aromatic hydrocarbon (PAH) pollutants to seawater. The concentration of PHE in the experimental system was detected by a fluorescence spectrophotometer and the results were expressed by partition coefficient (in terms of Kd). It found that the salinity promoted and the SDBS inhibit the adsorption of PHE onto sediment in a single system. The combination effect of SDBS and salinity enhance this adsorption behavior but varied significantly with the ratio of salinity to surfactant. It is a confirmed fact that the mobility of phenanthrene in water increased with the combination of the salinity and SDBS. It would lead to the pollution of PHE change from point model to mobility model and increase its flux into the sea. However, the mechanism of those adsorption behaviors is unclear and may relate to the interactions between sediment and SDBS, SDBS and salinity, and sediments and salts, which need further study.
eISSN:2083-5906
ISSN:1230-1485