生物脱氮除磷活性污泥系统中雌激素的归趋和去除的机理模型。

A mechanistic model for fate and removal of estrogens in biological nutrient removal activated sludge systems.

机构信息

Department of Civil and Environmental Engineering, University of Washington, 201 More Hall, Box 352700, Seattle, WA 98195, USA.

出版信息

Water Sci Technol. 2012;65(6):1130-6. doi: 10.2166/wst.2012.958.

DOI:10.2166/wst.2012.958

PMID:22378013

Abstract

Two estrogen fate and transformation models were integrated with a comprehensive activated sludge model (ASM) to predict estrogen removal based on biomass and solids production. Model predictions were evaluated against published full-scale plant data as well as results from a laboratory-scale sequencing batch reactor (SBR) fed synthetic wastewater. The estrogen fate model relating the rate of total estrogen degradation to soluble estrogen concentrations successfully predicted estrogen removals when compared with measured concentrations. Model fit 17α-ethinylestradiol (EE2) biodegradation rate constant was 19 to 43% of the estrone (E1) value and 31 to 72% of the 17β-estradiol (E2) value.

摘要

两种雌激素命运和转化模型与全面活性污泥模型（ASM）相结合，根据生物量和固体产量预测雌激素的去除。模型预测结果与已发表的全规模工厂数据以及使用合成废水进行实验室规模序批式反应器（SBR）的结果进行了比较。与实测浓度相比，将总雌激素降解速率与可溶性雌激素浓度相关的雌激素命运模型成功预测了雌激素的去除。模型拟合 17α-乙炔雌二醇（EE2）生物降解速率常数为雌酮（E1）值的 19%至 43%，雌二醇（E2）值的 31%至 72%。