Évaluation des caractéristiques physico chimiques des eaux thermales, Cas de la région de Zelfana – Ghardaïa

Abstract

Waters are one of the important sources of the planet. Good quality drinking water tastes good and is odorless. In its natural state, a concentration of mineralization introduces a more or less accentuated taste into the water. This work consists in evaluating the physicochemical and bacteriological quality of the thermal waters in the municipality of zelfana of the region o Ghardaïa which occupies a central position in the north of the Algerian Sahara by connecting the north to the south. the study aims to present the main characteristics: of the waters of the plain. It will also make it possible to know the causes of water contamination and to carry out the feasibility in various physico-chemical analyzes to provide the consumer with healthy water, free of all foreign bodies and in accordance with Algerian quality standards. The results obtained on the plan, chemical quality of waters: whose hardness and mineralization are important is show values sometimes slightly exceed the standard with contents of sulphates and Calcium, and to a lesser degree in chlorides and bicarbonates. It also confirmed acceptable potability.