Sorption of phenanthrene by nanosized alumina coated with sequentially extracted humic acids |
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Authors: | Kun Yang Lizhong Zhu Baoshan Xing |
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Institution: | (1) Department of Environmental Science, Zhejiang University, Hangzhou, 310028, China;(2) Department of Plant, Soil, and Insect Sciences, University of Massachusetts, Amherst, MA 01003, USA; |
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Abstract: | Background, aim, and scope Sorption of hydrophobic organic compounds (HOCs) to natural organic matter (NOM) is an important process that affects the
transport, transformation, bioavailability, and fate of HOCs in the environment. Manufactured nanoparticles (NPs) such as
nano-oxides will inevitably enter the environment in the processes of their production, transfer, and use and could be coated
by the ubiquitous NOM. Thus, sorption of HOCs to NOM in the environment could be affected by the NP interactions with NOM.
Furthermore, the toxicity of nano-oxides could be increased due to the adsorbed HOCs. Therefore, sorption of phenanthrene
by nano-Al2O3 coated with humic acid (HA) was examined in this study to explore the possible effect of nanoparticles (NPs) on the environmental
behavior of HOCs and the potential environmental and health risks of NPs. |
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