Correlation between Fluorescent and UV Absorbance in Dissolved Organic Matter of the Effluent from the Pulp Mill

Abstract:

During the interval from Oct.2011to April.2012, water samples were collected from the effluent treated by the secondary treatment of pulp mill. The measurements of EEFM (Excitation Emission Fluorescent matrix) by the fluorescent spectrometry as well as the value of UV absorbance were analyzed for water samples filtered by 0.45μm membrane filter. The EEFM information of dissolved organic matter of filtered water samples were characterized as 8 components with 89.7% of explained variation using PARAFAC model. Four substances had high loading, including the wavelength of Excitation /Emission (Ex/Em) of 360/420 nm, 280/270-430 nm, 350/430 nm and 300/420-480 nm. The fluorescent characteristic of 270/310 nm and 270/450 nm had a high correlation with UV₂₅₄ value (R=0.838); however, the fluorescent intensity of 240/410 nm had a negative correlation with the value of UV_200-400.

• Periodical: Advanced Materials Research (Volumes 726-731)
• Pages: 1463-1467
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.726-731.1463
• Online since: August 2013
• Authors: Shao Wei Liao, Jing Wen Cao, Chung Yi Chung, Hwa Sheng Gau, Chang Gai Lee, Wen Liang Lai
• Keywords: Excitation Emission Fluorescent Matrix (EEFM), PARAFAC, Pulp Mill

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