MODEL FISIK PENGOLAHAN AIR LIMBAH DOMESTIK DAN AIR HUJAN MENGGUNAKAN FILTER BERTINGKAT MENJADI AIR BERSIH PADA LOKASI DANAU BUKIT SEKATUP DAMAI DI KOTA BONTANG

SUPRAPTO, EDI (2023) MODEL FISIK PENGOLAHAN AIR LIMBAH DOMESTIK DAN AIR HUJAN MENGGUNAKAN FILTER BERTINGKAT MENJADI AIR BERSIH PADA LOKASI DANAU BUKIT SEKATUP DAMAI DI KOTA BONTANG. Masters thesis, Institut Teknologi Nasional Malang.

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Abstract

ABSTRAK Model Fisik Pengolahan Aie Limbah Domestik dan Air Hujan Menggunakan Filter Bertingkat Menjadi Air Bersih Pada Lokasi Danau Bukit Sekatup Damai di Kota Bontang Saat ini kebutuhan air bersih Kota Bontang mencapai 632,10 liter/detik dengan jumlah penduduk Tahun 2022 adalah 185.251 jiwa (BPS Kota Bontang, 2022). Total kebutuhan air untuk saat ini defisit 217,72 liter/detik. Minimnya ketersediaan air baku untuk pemenuhan layanan air bersih jangka pendek 1-2 tahun belum tersedia karena hanya mengandalkan Deep Well. Tujuan penelitian ini menganalisis efektifitas model fisik pengolahan greywater dan air hujan menggunakan filter bertingkat menjadi air bersih sebagai alternatif air baku dalam penanganan krisis air pada lokasi danau bukit sekatup damai di kota bontang. Pengamatan dilakukan terhadap variabel variasi kadar PAC dan Natrium karbonat (X1) dan variasi ketebalan pasir (X2) terhadap parameter kualitas air (Y) yang terdiri dari pH, kekeruhan, TDS (Total Dissolved Solid), Warna, dan Total Coliform. Teknik pengolahan yang diterapkan terbukti mampu merubah limbah greywater dan air hujan menjadi air bersih kelas II; berdasarkan parameter kualitas air yang diamati. Hasil Pengolahan menunjukkan bahwa pH 5,2 menjadi 6 (6-9); kekeruhan 12,8 menjadi 2,82(5); TDS 364,0 mg/L menjadi 252,2 mg/L (1000); warna 20 menjadi 5 (15); dan Total Coliform 9200 Jml/100 ml menjadi 2800 (5000). Hasil skala model pengolahan greywater dan air hujan dapat diolah menjadi air bersih sesuai Baku mutu kelas II. Kata kunci: Pengolahan air, greywater, filtrasi, pasir, regresi linier. ABSTRACT Model of Physical for Domestic Wastewater and Rain Water Using Stratified Filtration to Produce Clean Water in Danau Bukit Sekatup Damai, Bontang Currently, the fulfillment of clean water in Bontang City reaches 632.10 liters/second with a population of 185,251 in 2022 (BPS City of Bontang, 2022). The current total water demand is a deficit of 217.72 liters/second. The lack of raw water availability to fulfill short-term 1-2 year clean water services is not yet available because it only relies on Deep Well. The purpose of this study was to analyze the effectiveness of a physical model for The Treatment of Greywater and Rain Water using multilevel filters to convert clean water as an alternative to raw water in handling the water crisis at the location of the Bukit Sekatup Damai Lake in Bontang City. Furthermore, primary data were analyzed using the linear regression method and descriptive statistics. Based on the results, it is confirmed that the sand filter is effective in decreasing the turbidity of greywater -indicating that suspended solids are successfully removed. In addition, PAC and soda ash can neutralize the pH level. The processing technique applied is proven capable of converting greywater and rainwater waste into class II clean water; based on the observed of water quality parameters. The processing results show that pH 5,2 (6-9); NTU 12,8 (5); TDS 364,0 mg/L (1000); WARNA 20 (15); and Total Coliform 9200 Qty/100 ml (5000); into the characteristics of untreated wastewater. The results of the scale model for treating greywater and rain water can be processed into clean water according to class II quality standards. Keywords: Water treatment, urban, greywater, filtration, regression.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Water treatment, urban, greywater, filtration, regression.
Subjects:	Engineering > Civil Engineering
Divisions:	Program Pasca Sarjana > Teknik Sipil S2 > Teknik Sipil S2(Tesis)
Depositing User:	Suprapto Edi
Date Deposited:	14 Jul 2023 06:35
Last Modified:	26 Jul 2023 06:58
URI:	http://eprints.itn.ac.id/id/eprint/12238

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