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Environmental Impact of Phosphogypsum on the Ecotoxicity of A. salina, D. magna, O. latipes, and S. capricornutum
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 Title & Authors
Environmental Impact of Phosphogypsum on the Ecotoxicity of A. salina, D. magna, O. latipes, and S. capricornutum
Park, Soo-Ho; Han, Bing; Lee, Woo-Bum; Kim, Jongo;
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The objective of this study was to determine the feasibility of recycled phosphogypsum (PG) as an embankment material with soil by performing batch and column ecotoxicity experiments. A. salina, D. magna, O. latipes and S. capricornutum were selected for the experiment. The effective concentration (EC50) of D. magna was the lowest value, 1.29 mg/L. The survival rates of A. salina, D. magna and O. latipes were more than 90% in the presence of PG leachate in the column test. The toxicity unit (TU) for the organisms was less than 1, indicating that no significant ecotoxicity effect was found. These findings suggested that PG could be recycled for use as an embankment and landfill material with soil.
Embankment;Landfill;Phosphogypsum (PG);Recycle;Toxicity;
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