PENURUNAN KESADAHAN AIR SUMUR BOR DENGAN METODE FILTER ZEOLIT, RESIN KATION DAN GABUNGAN DARI ZEOLIT DAN RESIN KATION

Monica, Reza Monica (2026) PENURUNAN KESADAHAN AIR SUMUR BOR DENGAN METODE FILTER ZEOLIT, RESIN KATION DAN GABUNGAN DARI ZEOLIT DAN RESIN KATION. Other thesis, Poltekkes Kemenkes Denpasar.

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BAB I PENDAHULUAN.pdf

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BAB II TINJAUAN PUSTAKA.pdf

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BAB III KERANGKA KONSEP.pdf

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Abstract

Naibonat Village is geologically dominated by highly porous coral limestone formations, resulting in hard water. This condition causes white scale deposits that clog water taps and leave sediment in cooking utensils. This study aimed to compare the effectiveness of zeolite, cation resin, and a combination of zeolite and cation resin in reducing water hardness. A quasi-experimental study with a pretest–posttest design was conducted. Water samples were collected from a drilled well with a hardness level exceeding the quality standard of 500 mg/L. Water hardness was measured through laboratory analysis before and after treatment. The Kruskal–Wallis test showed a significant difference in hardness reduction among the three filtration media (p = 0.025). Pairwise comparison with Bonferroni correction revealed a significant difference between zeolite and cation resin (Adj. Sig. = 0.020). Zeolite reduced hardness by an average of 345.89 mg/L (56.29%), cation resin by 531.40 mg/L (86.48%), and the combined media by 467.63 mg/L (76.10%). Cation resin was the most effective filtration medium and has strong potential for household-scale water treatment. It may also provide a basis for further studies on media saturation and filtration duration. Kelurahan Naibonat memiliki karakteristik geologi didominasi lapisan batuan koral limestone berpori tinggi sehingga menghasilkan air sadah. Kondisi ini menyebabkan kran air sering tersumbat kerak putih serta menimbulkan endapan pada panci yang digunakan untuk memasak. Penelitian ini bertujuan mengetahui perbedaan kemampuan media zeolit, resin kation, dan kombinasi zeolit–resin kation dalam menurunkan tingkat kesadahan air. Penelitian menggunakan metode Quasi Experiment dengan Pretest–Posttest Design. Sampel diambil dari salah satu sumur bor dengan tingkat kesadahan melebihi baku mutu, yaitu lebih dari 500 mg/L. Data diperoleh melalui pemeriksaan laboratorium parameter kesadahan air sebelum dan sesudah perlakuan. Hasil uji Kruskal–Wallis menunjukkan adanya perbedaan signifikan efektivitas penurunan kesadahan pada ketiga media filter (p = 0,025). Uji lanjut pairwise comparison dengan koreksi Bonferroni menunjukkan perbedaan signifikan terjadi pada media zeolit dan resin kation (Adj. Sig. = 0,020). Media zeolit mampu menurunkan kesadahan rata-rata 345,89 mg/L (56,29%), resin kation 531,40 mg/L (86,48%), dan kombinasi zeolit dan resin kation sebesar 467,63 mg/L (76,10%). Media resin kation paling efektif menurunkan kesadahan air dan berpotensi diterapkan pada skala rumah tangga serta menjadi dasar penelitian lanjutan mengenai masa jenuh media dan variasi waktu penyaringan.

Item Type: Thesis (Other)
Additional Information: filtration, zeolite, cation resin, hardness
Uncontrolled Keywords: filtrasi, zeolit, resin kation, kesadahan
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Divisions: Jurusan Kesehatan Lingkungan > Prodi D4
Depositing User: Adi Onik septari
Date Deposited: 23 Sep 2026 02:32
Last Modified: 23 Sep 2026 02:32
URI: http://repository.poltekkes-denpasar.ac.id/id/eprint/23806

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