Vol. 24 No. 1 (2026)
Medic Nutricia : Jurnal Ilmu Kesehatan, ISSN : 3025-8855

Articles

EFEKTIVITAS METODE AERASI DAN KLORINASI TERHADAP PENURUNAN KADAR BESI (Fe) PADA AIR SUMUR GALI

Published 2026-09-05

  • Amiruddin
    • ,
  • Yeyen Fien Natalia
    • ,
  • Ari Setio Wibowo

Amiruddin
Jurusan Kesehatan Lingkungan, Program Studi D-III Sanitasi Jayapura, Politeknik Kesehatan Kemenkes Jayapura

Yeyen Fien Natalia
Jurusan Kesehatan Lingkungan, Program Studi D-III Sanitasi Jayapura, Politeknik Kesehatan Kemenkes Jayapura

Ari Setio Wibowo
Jurusan Kesehatan Lingkungan, Program Studi D-III Sanitasi Jayapura, Politeknik Kesehatan Kemenkes Jayapura

Abstract

Kadar besi (Fe) yang tinggi pada air tanah dapat menimbulkan masalah estetika serta gangguan pada sistem penyediaan air rumah tangga. Penelitian ini bertujuan untuk mengetahui dan membandingkan efektivitas metode aerasi dan klorinasi dalam menurunkan kadar besi (Fe) pada air sumur gali di Koya Barat, Distrik Muara Tami, Kota Jayapura. Penelitian ini merupakan eksperimen kuantitatif lapangan dengan rancangan pretest-posttest. Air sumur sebanyak 1.100 liter pada masing-masing perlakuan dialirkan melalui sistem aerasi menggunakan pipa aerator dan sistem klorinasi menggunakan klorinator berdiameter 3 inci yang berisi klorin tablet. Pengukuran kadar Fe dilakukan secara langsung di lokasi sebelum dan sesudah perlakuan menggunakan Iron Chemical Test Kit Hanna HI3834. Kadar Fe awal tercatat sebesar 2,50 mg/L. Setelah perlakuan, rata-rata kadar Fe menjadi 1,18 mg/L pada metode aerasi dengan efektivitas penurunan sebesar 52,80%, sedangkan pada metode klorinasi rata-rata kadar Fe menjadi 1,46 mg/L dengan efektivitas penurunan sebesar 41,60%. Metode aerasi menghasilkan penurunan kadar Fe yang lebih tinggi dibandingkan klorinasi pada kondisi operasional penelitian. Namun, kedua metode belum mampu menurunkan kadar Fe hingga memenuhi baku mutu air untuk keperluan higiene dan sanitasi. Hasil penelitian menunjukkan bahwa aerasi dapat digunakan sebagai tahap oksidasi, tetapi perlu dilanjutkan dengan proses sedimentasi dan/atau filtrasi untuk meningkatkan penghilangan kandungan besi (Fe). Excessive iron (Fe) concentrations in groundwater can cause aesthetic problems and operational disturbances in domestic water systems. This study aimed to evaluate and compare the effectiveness of aeration and chlorination in reducing iron concentrations in dug-well water in Koya Barat, Muara Tami District, Jayapura City. This quantitative field experiment used a pretest-posttest design. A total of 1,100 liters of well water was treated separately using an aeration pipe system and a 3-inch chlorinator containing chlorine tablets. Iron concentration was measured on-site before and after treatment using the Hanna HI3834 Iron Chemical Test Kit. The initial iron concentration was 2.50 mg/L. After treatment, the mean iron concentration was 1.18 mg/L for aeration, corresponding to a reported reduction of 52.80%, while chlorination reduced the mean concentration to 1.46 mg/L, corresponding to 41.60%. Aeration produced a greater reduction than chlorination under the operating conditions applied in this study. However, neither treatment reduced the measured iron concentration to the applicable Indonesian quality standard for water intended for hygiene and sanitation. The findings indicate that aeration can be considered a practical oxidation stage, but subsequent sedimentation and/or filtration is required to improve iron removal.

Keywords

Aerasi, Klorinasi, Besi (Fe), Air Sumur Gali, Pengolahan Air Tanah, Kualitas Air

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References

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