Wastewater suspended solids study by optical methods

The aim of the paper is to compare two optical methods (UV spectrophotometry and laser granulometry) for a better knowledge of the behaviour of wastewater suspended solids. The first one, based on UV spectrophotometry, is used for the estimation of solids concentration and nature in water and wastew...

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Bibliographic Details
Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2002-05, Vol.204 (1), p.131-140
Main Authors: Azema, N, Pouet, M.-F, Berho, C, Thomas, O
Format: Article
Language:English
Subjects:
Characterisation
Colloids
Engineering Sciences
Laser granulometry
Particles
UV spectrophotometry
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Summary:The aim of the paper is to compare two optical methods (UV spectrophotometry and laser granulometry) for a better knowledge of the behaviour of wastewater suspended solids. The first one, based on UV spectrophotometry, is used for the estimation of solids concentration and nature in water and wastewater with the help of an advanced exploitation method of UV spectra. But the interpretation of UV spectra, in presence of a very wide size distribution of solids is not always easy, because of the different phenomena responsible of light diffusion. The second method, more classical, allows to characterise the size distribution of particles.
ISSN:0927-7757
1873-4359
DOI:10.1016/S0927-7757(02)00006-7