Water Supply Vol 3 No 1-2 pp 351–357 © IWA Publishing 2003
Generic monitoring tools for water characteristics assessment
S. Le Bonté*, M.-N. Pons**, O. Potier***, S. Chanel**** and M. Baklouti*****
*Laboratoire des Sciences du Génie Chimique (CNRS-ENSIC-INPL), rue Grandville, BP451, F54001, Nancy Cedex, France (E-mail: sebestien.lebonte@ensic.impl-nancy.fr)
**Laboratoire des Sciences du Génie Chimique (CNRS-ENSIC-INPL), rue Grandville, BP451, F54001, Nancy Cedex, France
***Laboratoire des Sciences du Génie Chimique (CNRS-ENSIC-INPL), rue Grandville, BP451, F54001, Nancy Cedex, France
****Laboratoire des Sciences du Génie Chimique (CNRS-ENSIC-INPL), rue Grandville, BP451, F54001, Nancy Cedex, France
*****Laboratoire des Sciences du Génie Chimique (CNRS-ENSIC-INPL), rue Grandville, BP451, F54001, Nancy Cedex, France
ABSTRACT
An adaptive principal component analysis applied to sets of data provided by global analytical methods (UV-visible spectra, buffer capacity curves, respirometric tests) is proposed as a generic procedure for on-line and fast characterization of wastewater. The data-mining procedure is able to deal with a large amount of information, takes into account the normal variations of wastewater composition related to human activity, and enables a rapid detection of abnormal situations such as the presence of toxic substances by comparison of the actual wastewater state with a continuously updated reference. The procedure has been validated on municipal wastewater.
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