土木学会論文集B2(海岸工学)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944
論文
沿岸域に拡散・堆積する油脂類の変動特性の解明
中下 慎也加納 一成TOUCH NARONG日比野 忠史
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キーワード: 下水汚泥, 脂肪酸, C/IL比
ジャーナル フリー

2014 年 70 巻 2 号 p. I_1086-I_1090

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Understanding of variances in properties of lipids plays an important role in considering the restoration of littoral environment. Here, loss on ignition (LOI) of sediment is investigated in combination with element analysis, n-hexane extract, and fatty acid analysis in order to provide a better understanding of variances in the lipid properties of sediment. It was found that the sediment that had large amounts of unstable organic matter (UOM) contained large amounts of lipids, and the lipid amount linearly decreased along with the decreasing amount of UOM. This ensures that the decomposition of UOM can be understood based on variances in the lipid properties. Furthermore, it is evident from our results that the decreasing amount of organic matter in transport processes differed from that in decomposition processes of accumulated sediment.

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