Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Advanced Analytical Techniques for Dissolved Organic Matter and Their Applications in Natural and Engineered Water Treatment Systems

최근 용존 유기물 분석 기법 및 자연환경과 수 처리 시스템 내 활용방안

  • Lee, Yun Kyung (Department of Environment, Energy & Geoinformatics, Sejong University) ;
  • Hur, Jin (Department of Environment, Energy & Geoinformatics, Sejong University)
  • 이윤경 (세종대학교 환경에너지공간융합학과) ;
  • 허진 (세종대학교 환경에너지공간융합학과)
  • Received : 2021.11.24
  • Accepted : 2022.01.17
  • Published : 2022.01.30
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Abstract

Dissolved organic matter (DOM), which changes according to various factors, is ubiquitously present from natural environments to engineered treatment systems. Only limited information is available regarding the environmental functions of DOM after bulk analyses are only applied for characterization. In this paper, latest DOM analytical techniques are briefly introduced, which include fluorescence excitation-emission matrix with parallel factor analysis (EEM-PARAFAC), size-exclusion chromatography with an organic carbon detector (SEC-OCD), carbon/nitrogen stable-isotope ratio, and Fourier transform-ion cyclotron resonance-mass spectroscopy (FT-ICR-MS). Recent examples of using advanced analyses to interpret the phenomena associated with DOM occurring in natural and engineered systems are presented here. Through EEM-PARAFAC, different components like protein-like, fulvic-like, and humic-like can be identified and tracked individually through the investigated systems. SEC-OCD allows researchers to quantify different size fractions. FT-ICR-MS provides thousands of molecular formulas present in bulk DOM samples. Lastly, carbon/nitrogen stable-isotope ratio offers reasonable tools for tracking the sources in environments. We also discuss the advantages and weakness of the above-mentioned characterizing tools. Specifically, they focus on single environmental factors (different sourced-DOM and interaction of sediment-pore water) or simple changes after individual treatment processes. Through collaboration with the advanced techniques later, they help the researchers to better understand environmental behaviors in aquatic systems and serve as essential tools for addressing various pending problems associated with DOM.

Keywords

Acknowledgement

본 연구는 한국연구재단 (과제번호: 2020R1A4A2002823)과 2019년도 교내연구비 (과제번호 : 20190958)의 지원으로 수행되었습니다.

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