물 자연 그리고 사람 - 물로 더 행복한 세상을 만들어가겠습니다.
HOME성과논문실적

논문실적

Evaluating controllability of pharmaceuticals and metabolites, in biologically-engineered processes, using corresponding octanol-water distribution coefficient 게시글의 제목, 학술지명, 저자, 발행일, 작성내용을 보여줌
Evaluating controllability of pharmaceuticals and metabolites, in biologically-engineered processes, using corresponding octanol-water distribution coefficient
학술지명 Ecological Engineering 저자 조재원,임재림,강수일,이승윤,허유정,김갑순
발표일 2011-05-28

The efficiency of removing 9 different pharmaceuticals, 5 carbamazepine metabolites, and 1 personal care product through wastewater treatment plants and constructed wetlands was investigated. The compound concentrations were measured using solid phase extraction followed by liquid chromatography quadrupole tandem mass spectrometry. For extraction confirmation and better accuracy, isotopic dilution and standards addition methods were employed. The reporting limits for the investigated compounds were less than 10 ng/L except TCEP (24 ng/L). The removal efficiencies were found to be inversely proportional to the octanol-water partition coefficients (log Kow) after modification with ionizable functional groups (log Dow); compounds with a higher hydrophilicity were more efficiently removed in the engineered processes through biological treatment mechanisms. Carbamazepine metabolites that were formed in the early stages of certain metabolic reactions exhibited enhanced removal efficiencies due to a decreased log Dow values. However, the removal efficiency of those formed in later stages did not increase, but rather fluctuated with large standard deviations. The removal behaviors of metabolites, in biologically operating engineered systems, need to be more extensively examined.

목록