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The Scientific World Journal
Volume 2012 (2012), Article ID 549028, 10 pages
Research Article

Study of Physico-Chemical Characteristics of Wastewater in an Urban Agglomeration in Romania

Department of Chemistry, Physics and Environment, European Centre of Excellence for the Environment, “Dunarea de Jos” University of Galati, Street Domneasca No. 111, 800201 Galati, Romania

Received 11 April 2012; Accepted 26 April 2012

Academic Editors: P. Andrade and A. Romani

Copyright © 2012 Paula Popa et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This study investigates the level of wastewater pollution by analyzing its chemical characteristics at five wastewater collectors. Samples are collected before they discharge into the Danube during a monitoring campaign of two weeks. Organic and inorganic compounds, heavy metals, and biogenic compounds have been analyzed using potentiometric and spectrophotometric methods. Experimental results show that the quality of wastewater varies from site to site and it greatly depends on the origin of the wastewater. Correlation analysis was used in order to identify possible relationships between concentrations of various analyzed parameters, which could be used in selecting the appropriate method for wastewater treatment to be implemented at wastewater plants.