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Abstract
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Article Information:
Sorption and Desorption of Phenanthrene to Black Carbon on Crop Soil from the South-North Water Diversion Project in China
Rong Hao, Pei-Chao Wang and Jin-liang Zhang
Corresponding Author: Rong Hao
Submitted: April 12, 2014
Accepted: June 16, 2014
Published: July 10, 2014 |
Abstract:
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The water quality of South-North Water Diversion Project (SNWDP) has attracted more and more attention. Polycyclic Aromatic Hydrocarbons (PAHs) in soils strongly sorb to black carbon. In this study, adsorption and desorption characteristics and isotherm of phenanthrene to black carbon in SNWDP crop soils were studied extensively. The results showed that the sorption and desorption of phenanthrene to black carbon were nonlinear. Freundlich model could fit the sorption and desorption data of BC well. Meantime, desorption process exhibited varied apparent sorption-desorption hysteresis. It can be inferred that BC of crop soils in SNWDP plays a significant role in reducing the bioavailability and toxicity of phenanthrene through sorption capacity and desorption hysteresis.
Key words: Black carbon, crop soil, phenanthrene, sorption, South-North water diversion project, ,
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Cite this Reference:
Rong Hao, Pei-Chao Wang and Jin-liang Zhang, . Sorption and Desorption of Phenanthrene to Black Carbon on Crop Soil from the South-North Water Diversion Project in China. Advance Journal of Food Science and Technology, (7): 884-887.
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ISSN (Online): 2042-4876
ISSN (Print): 2042-4868 |
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