Distribution and behavior of nonylphenol, octylphenol, and nonylphenol monoethoxylate in Tokyo metropolitan area: their association with aquatic particles and sedimentary distributions.

摘要: Distributions of alkylphenols (APs) [i.e., nonylphenol (NP), octylphenol (OP)], and monoethoxylate (NP1EO) in wastewater effluents, river water, riverine bay sediments the Tokyo metropolitan area were demonstrated. During sewage treatments, NP OP efficiently removed from effluents through activated sludge treatments. Greater removal for (93% on average) than (84% was consistent with their partitioning behavior to particles primary secondary effluents. concentrations water samples ranged 0.051 1.08 μg/L higher summer spring colder seasons. In samples, ∼20% found particulate phase. Organic carbon-normalized apparent partition coefficients (K‘oc) (105.22 ± 0.38) (104.65 0.42) 1 order magnitude those expected octanol−water (Kow), indicating strong affinity APs aquatic particles...