Evaluation of aquatic environmental fate of 2,4,6-trichlorophenol with a mathematical model |
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Authors: | Kikuo Yoshida Tadayoshi Shigeoka Fumio Yamauchi |
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Abstract: | A mathematical model, Simplified Approach for Fate Evaluation of Chemicals in Aquatic Systems (SAFECAS), was applied to evaluate fate of 2,4,6-trichlorophenol(TCP) in three types of aquatic environments; a river, an oligotrophic lake, and an eutrophic lake.Since phenols are dissociative substances, equilibrium constants and rate constants for transfer and transformation processes were measured or estimated as a function of pH.Results suggest that most of TCP is distributed to the water phase in aquatic environments, and is almost removed by the advective outflow in the river and by the photodegradation in lakes. |
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