Utilization of Iron Sand Magnetic Minerals Based on Are River Sand of Sesaot to Improve Water Quality

Firda Yuslihan Amri; Lalu Ahmad Didk Meiliyadi; Muh.  Wahyudi; Muhammad Arif Firmansyah; Isniwana Damayanti

doi:10.71024/ecobios.2025.v2i2.69

Authors

Firda Yuslihan Amri Departement of Physics Education, Faculty of Education and Teacher Training, Universitas Islam Negeri Mataram Author
Lalu Ahmad Didk Meiliyadi Departement of Physics Education, Faculty of Education and Teacher Training, Universitas Islam Negeri Mataram Author
Muh. Wahyudi Advance Science and Integration Research Group, Universitas Islam Negeri Mataram Author
Muhammad Arif Firmansyah Departement of Physics Education, Faculty of Education and Teacher Training, Universitas Islam Negeri Mataram Author
Isniwana Damayanti Departement of Natural Science Education, Faculty of Education and Teacher Training, Universitas Mataram Author

DOI:

https://doi.org/10.71024/ecobios.2025.v2i2.69

Keywords:

Morphological Analysis, magnetic minerals, iron sand, water treatment

Abstract

This research aims to determine the magnetic mineral content, morphology, and effectiveness of Are River (Sesaot) sand-based iron sand in improving water quality in Kebon Kongok. The magnetic mineral synthesis process was carried out using the Solid State Reaction (SSR) method, which includes the stages of washing, drying, heating at 100°C, and magnetic separation. Material characterization was performed using Scanning Electron Microscopy-Energy Dispersive X-ray (SEM-EDX) to analyze mineral content and elemental morphology. The analysis showed a significant increase in iron (Fe) content from 7.57% at 3 hours of grinding to 18.48% at 5 hours, while silica (Si) content decreased from 18.46% to 15.51%. Decreased levels of heavy metals such as iron (Fe), manganese (Mn), and lead (Pb) were measured before and after filtration, indicating the effectiveness of magnetic minerals in adsorbing heavy metals. Fe levels decreased from 0.0037 mg/L to 0.0007 mg/L, Mn levels from 0.0015 mg/L to 0.0008 mg/L, and Pb levels from 0.1415 mg/L to 0.0660 mg/L after filtration for 5 hours. In addition, the physical analysis showed a decrease in Total Dissolved Solids (TDS) from 154 ppm to 146 ppm and conductivity from 308 ms/cm to 293 ms/cm, indicating a reduction in solute concentration. This study concludes that Are River sand-based magnetic minerals synthesized using the SSR method can be an effective solution to improve water quality, contributing to public health and the sustainability of living things. Further research is needed to explore the mechanism of action of magnetic minerals and their potential applications on a wider scale.

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