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Application of Ultraviolet (UV) Spectrophotometry in the Assessment of Membrane Bioreactor Performance for Monitoring Water and Wastewater Treatment

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Abstract:

Ultraviolet (UV) spectroscopy has been widely used in monitoring water and wastewater treatment. In this study UV spectroscopy was used to investigate fouling development on the membrane surface of membrane bioreactors. The chemistry of mixed liquor present in the membrane bioreactor and the foulant deposited on the membrane surface was compared by analyzing the UV spectra. The mixed liquor showed different spectra than did the foulant. The foulant spectra showed a shift in absorbance peaks with operation time. The particle size distribution (<450 nm) was also examined to explain the UV fingerprints.

Keywords: ABSORBANCE; FOULANT; MEMBRANE BIOREACTOR; ULTRAVIOLET SPECTROSCOPY; UV SPECTROSCOPY; WASTEWATER TREATMENT; WATER MONITORING

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/10-05848

Affiliations: School of Civil and Environmental Engineering, Faculty of Engineering and Information Technology, University of Technology, Sydney, Broadway, NSW 2007, Australia

Publication date: February 1, 2011

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