Assessing the Corrosion and Scaling Potential of Drinking Water in Morocco Using Water Stability Indices

• Autorzy: El Baroudi Hind , Ouazzani Chadia , Moustaghfir Abdellah , Er-Ramly Azzeddine , El Baroudi Youssef , Dami Abdallah , Balouch Lhousaine

Identyfikatory

DOI

10.12912/27197050/175970

• Języki publikacji: EN

Abstrakty

EN

Corrosion and scaling occur in water distribution systems. However, not much data is available concerning this issue in Morocco. This study aimed to evaluate the corrosive and scaling potential of drinking water in the water distribution systems of several cities in Morocco using water stability indices and other physicochemical parameters. For this purpose, 100 samples were collected, mainly from the cities in the Rabat-Salé-Kenitra region of Morocco. The results of the physicochemical analysis of 100 collected samples show that the means of the pH, total alkalinity, calcium hardness, chloride, temperature, and total dissolved solids are 7.577 ± 0.23, 173.6± 52.04 mg/l as CaCO₃, 212.57 ± 98.18 mg/l as CaCO₃, 418.7 ± 407.75 mg/l, 25.16 ± 1.58 °C, 597.5 ± 435.74 mg/l, respectively. The mean values of the water stability indices are 0.1158 ± 0.38, 7.345 ± 0.68, 7.132 ± 0.86, and 12.41 ± 0.35 for the Langelier saturation index (LSI), the Ryznar stability index (RSI), the Puckorius scaling index (PSI), and the aggressive index (AI), respectively. The water samples show corrosive tendencies of 41%, 75%, 97%, and 13% based on the LSI, RSI, PSI, and AI, respectively, and are considered supersaturated and likely to scale, corrosive, and non-aggressive. The water samples in Rabat, Salé, Bouknadel, and Kenitra were mostly supersaturated with a tendency to scale, with the highest percentage of stable water while the water in Khemisset and Tiflet was mostly corrosive, with Tiflet recording the highest chloride content of 3220.1 mg/l. The scaling and corrosive potential of water varied depending on the source of water in each city. Therefore, it is essential to continuously supervise the stability of water at different points of water distribution systems, create an adapted approach for each city, and instill strict national standards for the physicochemical parameters that affect corrosion and scaling to ensure safe drinking water.

Słowa kluczowe

EN

corrosion; scaling; drinking water; Morocco; water distribution system; water quality; water stability indices

• Wydawca: Lubelski Oddział Polskiego Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology ; WNGB Wydawnictwo Naukowe
• Czasopismo: Ecological Engineering & Environmental Technology
• Rocznik: 2024
• Tom: Vol. 25, iss. 2
• Strony: 130--139
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

El Baroudi Hind

• Laboratory of Biochemistry and Molecular Biology, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco

• https://orcid.org/0009-0007-1080-8037

autor

Ouazzani Chadia

• Laboratory of Biochemistry and Molecular Biology, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco

• https://orcid.org/0000-0002-9927-8947

autor

Moustaghfir Abdellah

• Laboratory of Biochemistry and Molecular Biology, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco
• Laboratory of Research Odontological, Biomaterials and Nanotechnology, Department of Fundamental Sciences, Faculty of Dental Medicine, Mohammed V University in Rabat, Morocco

• https://orcid.org/0000-0001-7610-789X

autor

Er-Ramly Azzeddine

• Laboratory of Research Odontological, Biomaterials and Nanotechnology, Department of Fundamental Sciences, Faculty of Dental Medicine, Mohammed V University in Rabat, Morocco

• https://orcid.org/0000-0002-7235-2887

autor

El Baroudi Youssef

• Laboratory of Biochemistry and Molecular Biology, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco

• https://orcid.org/0000-0001-7958-3824

autor

Dami Abdallah

• Laboratory of Biochemistry and Molecular Biology, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco

• https://orcid.org/0009-0001-0096-4083

autor

Balouch Lhousaine

• Laboratory of Biochemistry and Molecular Biology, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco

• https://orcid.org/0000-0003-3413-3517

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).