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Identify the optimal synchronous fluorescence spectral index and data treatment approach to accurately estimate biochemical oxygen demand in urban rivers receiving treated sewage.

April 1, 2008Environmental Technology

Use of Synchronous Fluorescence Spectra to Estimate Biochemical Oxygen Demand (Bod) of Urban Rivers Affected by Treated Sewage

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Identify the optimal synchronous fluorescence spectral index and data treatment approach to accurately estimate biochemical oxygen demand in urban rivers receiving treated sewage.
Collected grab water samples across three urban rivers in Seoul, Korea, from July to November 2006, with biochemical oxygen demand ranging from 0.4 to 28.0 mg/L.
Evaluated synchronous fluorescence spectra, first derivative spectra, GF/F filtration, and pH adjustment across samples.
Applied multiple linear regression incorporating turbidity and 633 nm light scattering intensity on untreated samples.
Relative fluorescence intensity at 283 nm compared to 245 nm showed the strongest positive correlation with biochemical oxygen demand (r = 0.910).
GF/F filtration reduced light-scattering interference and improved correlation, whereas pH adjustment did not enhance estimation accuracy.
Multiple regression using light scattering at 633 nm or turbidity on unfiltered samples outperformed physical filtration in predicting biochemical oxygen demand.

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Implication

Spectroscopic study demonstrates synchronous fluorescence indices estimate biochemical oxygen demand in urban rivers, indicating optical methods can replace complex sample treatments.

Cite This Study

Hur et al. (2008) studied this question.

synapsesocial.com/papers/6a981a36d72f642c28a67057 https://doi.org/10.1080/09593330801984472

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Implication

Spectroscopic study demonstrates synchronous fluorescence indices estimate biochemical oxygen demand in urban rivers, indicating optical methods can replace complex sample treatments.

Use of Synchronous Fluorescence Spectra to Estimate Biochemical Oxygen Demand (Bod) of Urban Rivers Affected by Treated Sewage

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Discussion

Implication

Cite This Study

Use of Synchronous Fluorescence Spectra to Estimate Biochemical Oxygen Demand (Bod) of Urban Rivers Affected by Treated Sewage

Key Points

Discussion

Implication

Cite This Study

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