용존성 방류수 유기물질이 비스페놀 A의 흡착 및 에스트로겐 활성에 미치는 영향 = Effect of Dissolved Effluent Organic Matter on Adsorption and Estrogenic Activity of Bisphenol A

다국어 초록 (Multilingual Abstract)

This study evaluates the effect of dissolved effluent organic matter (SE-dEfOM) from sewage wastewater treatment plants on the adsorption and estrogenic activity of bisphenol A (BPA). Specific ultraviolet absorbance and fluorescence index analyses indicated that SE-dEfOM was mainly microbially derived non-humic substances differed from Suwannee River natural organic matter (SR-NOM) as reference. Both Langmuir and Freundlich models successfully explained the adsorption of BPA onto both SE-dEfOM and SR-NOM. Additionally, the SE-dEfOM showed higher binding capacities and affinities for BPA than those of SR-NOM, resulting in better reduction of the estrogenic activity of BPA. These findings suggest that the binding and toxicity of BPA are largely dependent on the source of organic matters.

국문 초록 (Abstract)

본 연구는 하수종말처리장의 용존성 방류수 유기물질이 비스페놀 A (BPA)의 흡착과 에스트로겐 활성에 미치는 영향을 조사하였다.
특이적 자외선 흡수 (SUVA)와 형광 지수 (FI) 분석 결과, 방류수 유기물질은 참조물질로 사용한 스와니강 자연 유기물질과는 달리미생물 기원의 비휴믹성 유기물질 특성을 나타내었다. Langmuir와 Freundlich 모델 모두 방류수 및 자연 유기물질에 대한 BPA의흡착을 잘 설명하였다. 방류수 유기물질은 자연 유기물질 보다 더 높은 BPA 흡착능을 보여주었고, 이에 따라 에스트로겐 활성 역시 더많이 감소시켰다. 이러한 결과들은 유기물질의 기원에 따라 BPA 흡착능과 에스트로겐 활성 저감이 크게 영향을 받는 다는 것을 제시한다.

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