P228 メタン発酵消化液の励起蛍光マトリクスによる特性評価(ポスター発表)

概要

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Excitation-emission matrix(EEM) of mixed sludge before and after anaerobic digestion have been measured by spectrophotofluorometer(F-4500), to clarify spectroscopic characterization of the sludge for the purpose of finding excitation-emission wavelength pairs which are able to estimate the condition of anaerobic digestion. The sludge before anaerobic digestion had two peaks. A first peak was located at approximately 374-nm excitation and 442-nm emission. This fluorescence was probably emitted from methane-producing bacterium. Another broad peak was at approximately 418-nm excitation and 674-nm emission. This fluorescence came from chlorophyll of plants in the sludge. After the anaerobic digestion, EEM of sludge showed the different height of peak, while excitation and emission wavelength at peak were not largely different.
2007-01-16