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Title: | Water Quality Index, a Useful Tool for Evaluation of Danube River Raw Water | Authors: | Paun, Iuliana Chiriac, Florentina Laura Marin, Nicoleta Mirela Cruceru, Liliana Pascu, Luoana Florentina Lehr, Carol Blaziu Ene, Corina |
Affiliations: | National Research and Development Institute for Industrial Ecology, ECOIND | Keywords: | Drinking water quality;Danube River;Physico-chemical parameters;Raw water;WQI | Issue Date: | 2017 | Publisher: | SYSCOM 18 SRL | Abstract: | The Danube River is the major source of drinking water supply for the cities in the southern part of Romania. The study was a descriptive-analytical one and lasted for 9 month. Samples were taken monthly between March 2016 and November 2016. Six sampling sites were selected to evaluate the spatial and temporal changes of water quality along the river. The samples were analyzed based on the standard methods for the following parameters: pH, conductivity (EC), NH4+, NO3-, Cl-, suspended solids, PO43-, SO42-, metals (Fe, Cd, Cr, Pb, Ni, Hg, As, Zn, Cu, Mn). The obtained values were compared with those imposed by the Romanian environmental legislation. An efficient and simplified method to express the quality of water used for consumption is provided by the Water Quality Index (WQI). WQI reflects the quality of water in a single value by comparing data obtained from the investigation of a number of physico-chemical parameters to the existing limits. The evaluation of water quality was performed using the Water Quality Index of the Canadian Council of Ministries of the Environment (CCME WQI). Water quality indices were classified as: excellent, good, medium, bad and very bad. The results indicated the water quality classification as “good” in all six sampling selected sites. |
Description: | Revista de Chimie (Bucharest), vol 68, no 8, pp. 1732-1739 |
URI: | http://hdl.handle.net/123456789/1065 | ISSN: | 2537-5733 |
Appears in Collections: | Articles |
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12 PAUN IULIANA 8 17.pdf | 2.39 MB | Adobe PDF | View/Open |
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