Qualité des eaux souterraines

Qualité des eaux souterraines

Anselmo Macário Canganjo Lunguana

92,06 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Biologia, ciencias de la vida
ISBN:
9786202417099
92,06 €
IVA incluido
Disponible

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L’étude avait pour objectif d’évaluer la qualité de l’eau des puits destinée à la consommation humaine, à partir de paramètres physico-chimiques et microbiologiques, pour la population des quartiers Cantíflas et Tchissindo de la ville de Cuito. Les fosses et le type d’aquifère ont été considérés comme des sources potentielles de contamination. Les puits étudiés ont une profondeur variant entre 9 et 16 mètres et se rechargent naturellement. Deux prélèvements ont été effectués dans 12 puits, pendant la saison sèche et la saison des pluies. Des paramètres microbiologiques et physico-chimiques ont été analysés, tels que : Escherichia coli, coliformes totaux, Pseudomonas aeruginosa, entérocoques intestinaux et physico-chimiques tels que le pH, la température, la conductivité électrique, le nitrite, l’aluminium, le fer et le manganèse. Les analyses ont été réalisées à la station de traitement des eaux de Cuito et au laboratoire Liqui Huambo, conformément aux normes portugaises et européennes. En ce qui concerne les résultats obtenus lors des analyses microbiologiques, les eaux ont été classées comme impropres, car les valeurs obtenues sont supérieures aux limites légalement fixées par l’OMS et par le décret-loi n° 261/11 du 6 octobre.

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