인공습지 설계를 위한 여재 아세트아미노펜 흡착능 실험
Research on Adsorption Capacity of Acetaminophen for Constructed Wetland Design
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초록
산업화로 인해 의약품과 개인위생 용품 (PPCPs)의 잔여물이 생태계로 미량 유입됨에 따라 생태계를 오염시킨다. 특히나코로나 이후의 아세트아미노펜 검출되는 양의 증가로 인하여 방류수 내로 유입되는 미량 오염물질을 제거하고자 하였다. 인공습지에 적합하다고 판단되는 6가지의 여재를 선정하여 등온흡착 실험을 진행하였다. 아세트아미노펜의 최대 제거율을 산정하기 위해 Langmuir식과 Freundlich식을 사용하였다. 이 중 Freundlich식이 0.9823로 더 높은 결괏값을 나타내었다. 도심 내 인공습지 형성 시 적용하여 습지에서의 아세트아미노펜 저감률을 모델링하고자 하였다.
Abstract
Due to industrialization, a trace amount of residues of pharmaceuticals and personal hygiene products (PPCPs) flows into the ecosystem, polluting the ecosystem. In particular, it was intended to remove trace pollutants flowing into the effluent due to the increase in the amount of acetaminophen detected after COVID 19. To conduct this experiment, selected 6 media which are suitable for construcgted wetland and isothermal adsorption experiments. Langmuir equation and the Freundlich equation were used to calculate the maximum removal rate of acetaminophen. Among them, the Freundlich equation showed a higher result value of 0.9823. It was applied when forming constructed wetlands in urban areas to model the reduction rate of acetaminophen in wetlands.
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