Japanese Journal of JSCE
Online ISSN : 2436-6021
Special Issue (Coastal Engineering)Paper
CHANGES IN CHARACTERISTICS OF SOIL ORGANIC MATTER WITH REDOX REACTION OF SEABED SEDIMENT
Yusuke SAKAITaito FURUKAWAKyeongmin KIMTadashi HIBINO
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2023 Volume 79 Issue 17 Article ID: 23-17161

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Abstract

 In the combustion method, a method for measuring the fixed amount of organic matter in organic mud, organic matter is classified into readily degradable and persistent organic matter using the combustion temperature (300°C) as an indicator. The coordination and desorption of organic matter to metal ions (persistent and per-decomposable organic matter) often involves the acceptance and transfer of electrons between the two substances, and potential fluctuations in the solution induce redox reactions of organic matter. In this study, we examined the combustion characteristics of organic sludge produced by battery reactions (redox reactions of organic matter that occur in the process of electron capture and insertion) to investigate the degradability of organic matter by battery reactions and to evaluate the ease and difficulty of organic matter degradation by battery reactions. The results showed that complexes (persistent) are formed when high energy levels are given to organic matter (electron insertion), which is easy to decompose.

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© 2023 Japan Society of Civil Engineers
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