센서학회지 (Journal of Sensor Science and Technology)

  • 제32권3호
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  • Pages.140-146
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  • 2023
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  • 1225-5475(pISSN)
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  • 2093-7563(eISSN)
한국센서학회 (The Korean Sensors Society)
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Fabrication and Evaluation of a Total Organic Carbon Analyzer Using Photocatalysis

  • Do Yeon Lee (Advanced Materials Convergence R&D Division, Korea Institute of Ceramic Engineering & Technology) ;
  • Jeong Hee Shin (Advanced Materials Convergence R&D Division, Korea Institute of Ceramic Engineering & Technology) ;
  • Jong-Hoo Paik (Advanced Materials Convergence R&D Division, Korea Institute of Ceramic Engineering & Technology)
  • 투고 : 2023.04.28
  • 심사 : 2023.05.24
  • 발행 : 2023.05.31
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초록

Water quality is crucial for human health and the environment. Accurate measurement of the quantity of organic carbon in water is essential for water quality evaluation, identification of water pollution sources, and appropriate implementation of water treatment measures. Total organic carbon (TOC) analysis is an important tool for this purpose. Although other methods, such as chemical oxygen demand (COD) and biochemical oxygen demand (BOD) are also used to measure organic carbon in water, they have limitations that make TOC analysis a more favorable option in certain situations. For example, COD requires the use of toxic chemicals, and BOD is time-consuming and can produce inconsistent and unreliable results. In contrast, TOC analysis is rapid and reliable, providing accurate measurements of organic carbon content in water. However, common methods for TOC analysis can be complex and energy-intensive because of the use of high-temperature heaters for liquid-to-gas phase transitions and the use of acid, which present safety risks. This study focuses on a TOC analysis method using TiO2 photocatalysis, which has several advantages over conventional TOC analysis methods, including its low cost and easy maintenance. For TiO2, rutile and anatase powders are mixed with an inorganic binder and spray-coated onto a glass fiber substrate. The TiO2 powder and inorganic binder solutions are adjusted to optimize the photocatalytic reaction performance. The TiO2 photocatalysis method is a simple and low-power approach to TOC analysis, making it a promising alternative to commonly used TOC analysis methods. This study aims to contribute to the development of more efficient and cost-effective approaches for water quality analysis and management by exploring the effectiveness and reliability of the developed equipment.

키워드

과제정보

This study was supported by the 2020 Environmental Technology Development Project of the Ministry of Environment, Innovative Water Supply, and Sewerage Technology Development Project (No. RE202001418).

참고문헌

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