Reduction of iron and manganese concentration in dug well water by using Moramo beach sand as filter media

• Published in: Journal of physics. Conference series 2019-02, Vol.1153 (1), p.12078
• Main Authors: Aba, La, Prasetyo, Agung, Ilmawati, Wa Ode Sitti, Ahmad, La Ode, Sahidin, La Ode
• Format: Article
• Language: English
• Subjects: Aeration; Atomic absorption analysis; Beaches; Iron; Manganese; Sand; Sand & gravel; Sand filters; Silicon dioxide; Water purification; Water treatment
• ISSN: 1742-6588; 1742-6596
• DOI: 10.1088/1742-6596/1153/1/012078

Well water treatment with aeration-filtration method using the spray aerator and rapid sand filter in decreasing levels of iron (Fe) and manganese (Mn) has been carried out. This study aims to determine the effectiveness of Moramo beach sand in decreased levels of Fe and Mn after aeration-filtration processing. Characterization of Moramo beach sand minerals using XRF showed that SiO2 content of 98.68%, which means that it is qualified as silica sand. Measurement of concentration of Fe and Mn by using Atomic Absorption Spectroscopy (AAS) method. After the aertion-filtration processing, levels of Fe and Mn can be decreased to be 0.072 mg/L and 0.012 mg/L respectively. The results indicated that the concentrations of Fe and Mn have been under the threshold level of the Health Minister Regulation No. 492/Menkes/IV/2010 of ≥ 0.3 mg/L of Fe and ≥ 0.4 mg/L for Mn. In this case, the effectiveness of treatment in reduce of Fe and Mn ions could be 92.46 % and 98.82% respectively. It implied that Moramo beach sand is potential to be used as a filter media to reduce Fe and Mn concentration in dug well water.