Mitigation of scale problem in the pumped Disi water to Amman, Jordan

• Autorzy: Al-Maabreh Alaa M. , Al-Rawajfeh Aiman Eid , Alshamaileh Ehab , Al-Bazedi G. A.

Identyfikatory

DOI

10.5277/epe190108

• Języki publikacji: EN

Abstrakty

EN

Various methods are known to mitigate or prevent scale formation in pipes, rather by chemical addition, e.g., anti-scaling substances, or physically which includes ultrasonic or nanofiltration (NF). Nanofiltration membranes have a selectivity for the multivalent charged ions, so monovalent ions will pass the membrane partly and multivalent ions will be rejected completely. Chemical addition to prevent scale formation is based on justifying water parameters such as pH, alkalinity, and concentrations of ions that form the building units of scale crystal. In order to mitigate the scaling tendency in water pumped from the Disi aquifer to Amman city along its 345 km pipeline, different studies were conducted using simulated plumbing system. This part of the study is concerned with scale mitigation using nanofiltration and addition of chemicals. Nanofiltration was applied to reduce the hardness that causes scale deposition where it rejected around 70.5% of Ca²⁺, 71.98% Mg²⁺, 7.72% K⁺, 29.0% Na⁺, 66.63% Cl^–, 86.51% NO₃^– , 85.72% SO₄^2–, and 69.85% CO₂. Increasing the concentration of some ions such as Na⁺, K⁺ and Cl^– keeping the allowable limit gave good results for scale mitigation.

Słowa kluczowe

EN

scale deposition; water parameters; plumbing system; multivalent ions

PL

osadzanie się kamienia; parametry wody; systemy hydrauliczne; jony wielowartościowe

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2019
• Tom: Vol. 45, nr 1
• Strony: 97--110
• Opis fizyczny: Bibliogr. 22 poz., tab., rys.

Twórcy

autor

Al-Maabreh Alaa M.

• Al-Isra University, Department of Chemistry, Amman, Jordan

autor

Al-Rawajfeh Aiman Eid

• Tafila Technical University, Department of Chemical Engineering, Tafila, Jordan

autor

Alshamaileh Ehab

• The University of Jordan, Department of Chemistry, Faculty of Science, Amman 11942, Jordan

autor

Al-Bazedi G. A.

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).