Pemanfaatan Media Filtrasi Selulosa dari Batang Pisang (Musa Paradisiaca) untuk Meningkatkan Kualitas Air Sumur Galian

HULER, Basilius Francis Todo (2025) Pemanfaatan Media Filtrasi Selulosa dari Batang Pisang (Musa Paradisiaca) untuk Meningkatkan Kualitas Air Sumur Galian. Undergraduate thesis, Universitas Katolik Widya Mandira Kupang.

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Abstract

Abstract. This study aims to improve the quality of dug well water by utilizing a filtration medium based on cellulose derived from banana stems (Musa paradisiaca). The research was conducted in Kalike Village, South Solor District, with water samples collected from two wells: well 1 located in Pedan Pusunbura Hamlet and well 2 (samples 2a and 2b) in Aimatan Hamlet. The research stages included the construction of a simple filtration device, processing banana stems into cellulose media in the form of fibers or cords, and conducting the water filtration process using this medium. Laboratory analysis was carried out on water samples before and after filtration to evaluate changes in water quality based on physical parameters (temperature, odor, taste, and color) and chemical parameters (chloride, hardness, calcium, magnesium, organic matter, and pH). The results showed that prior to filtration, water from well 1 met all physical parameters and most chemical parameters, except for organic matter content which exceeded the permissible limit. Sample 2a met all physical parameters and some chemical parameters, while sample 2b did not meet the standards for taste, chloride, and organic matter. After the filtration process, the physical parameters did not show significant changes, but there was a reduction in chloride, hardness, calcium, magnesium, and organic matter concentrations across all samples. Filtration using banana stem cellulose media demonstrated high effectiveness, particularly in water with low to moderate contaminant concentrations, achieving reductions of up to 36.36% for chloride, 48.90% for hardness, 48.41% for calcium, 54.82% for magnesium, and 69.48% for organic matter. The effectiveness increased with greater cellulose mass, with the optimal results obtained using 1.5 kg of cellulose media. However, the effectiveness declined in water with high pollutant concentrations (sample 2b), presumably due to saturation of the active sites on the cellulose and limited adsorption capacity for large amounts of ions or compounds.

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