Alumni Fakultas Kesehatan Masyarakat

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Nama Silvia Rizki Wardhani
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E-mail S.R.Wardhani@alumni.unair.ac.id
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Kelahiran 1988
Tgl. Lulus 27-08-2010
Tgl. Wisuda 20-11-2010
Bidang Ilmu Kesehatan Masyarakat
Jenjang PROGRAM SARJANA
SKS 148.00
IPK 3.21
Pembimbing.I Lilis Sulistyorini, Ir., M.Kes
Tugas Akhir Efektivitas IPAL Komunal di Kelurahan Karah, Kecamatan Jambangan, Kota Surabaya Dalam Menurunkan Kadar BOD5, COD, pH serta Suhu Air Limbah
Abstrak ABSTRACT The domestic waste water has become a serious problem for people concerning in environment. Many big cities does not have a proper waste water management facility. Surabaya River in Surabaya has contributed a pretty huge pollution. The objective of this research was to study the efectivity of domestic waste water management system in Kel. Karah, Kec. Jambangan, Surabaya. This was an observasional research using cross sectional approach. Pre and post treatment of BOD5, COD, pH, and waste water temperature were observed and measured. Sample was taken for 7 days continuously. It was measured twice a day, which was on the morning and afternoon in Influent and Effluent tank. The result showed that there was a decreasing in post treatment of BOD5 level, with the number up to 73.03%. The mean level after treatment was 66.07 mg/l. The number of COD dicreasing was 67.03% with the mean level after treatment 152.9 mg/l. The mean of pH level after treatment was 7.25. The waste water temperature was 28.8°C. The statistical test showed that there was a significant difference in BOD5 and pH (p<0.05). It can be concluded that the management system of domestic waste water in IPAL communal Karah is pretty effective. It can be seen from its effectiveness in dicreasing BOD5 level and stabilized the pH. It is less effective to dicrease the level of COD and waste water temperature.
 
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