THE EFFECT OF ZEOLITE FILTERS AND COCONUT SHELL ACTIVATED CARBON AS Fe ADSORBENTS ON THE QUALITY OF INJECTION WELL WATER
DOI:
https://doi.org/10.36526/jc.v8i2.7218Keywords:
zeolite, activated carbon, iron (Fe), filtration, injection well waterAbstract
The quality of injection well water in Dulomo Utara Village, Gorontalo City shows iron (Fe) levels that exceed the threshold so that a simple and effective water treatment method is needed. This study aims to analyze the effect of using zeolite and coconut shell activated carbon as adsorbents, and determine the optimal composition of the two filtration media in reducing Fe levels. The research methods include zeolite activation using 2 M KOH, coconut shell activated carbon production through carbonization and H₃PO₄ 3N activation, and physical and chemical water quality testing. Six variations of filter media composition were tested from Filter A to Filter F. The results showed that the Fe content of injection well water before being treated was 2.7233 mg/L, above the maximum limit of 0.2 mg/L according to the Indonesian Minister of Health Regulation No. 2 of 2023. The best composition was obtained in filter E with a ratio of (Activated Carbon 10 cm : Zeolite 5 cm) with an Fe content after filtration using filter composition E of 0.3474 mg/L with a percentage adsorption capacity of 87.24%. Although it does not meet the Fe quality standard, the E filter is the variation that is closest to hygienic water standards.
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Copyright (c) 2026 Ririn Indriani M. Rahman, Vivi Dia Afrianti Sangkota, Akram La Kilo, Hendri Iyabu, Nita Suleman
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