Pemodelan Daya Tampung Beban Pencemar Dan Optimasi Limpasan Air Limbah Ke Sungai Kali Surabaya (Segmen Cangkir - Sepanjang)

Aliffia, Annisa (2018) Pemodelan Daya Tampung Beban Pencemar Dan Optimasi Limpasan Air Limbah Ke Sungai Kali Surabaya (Segmen Cangkir - Sepanjang). Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pemanfaatan sungai Kali Surabaya sebagai penyedia bahan baku untuk air minum terkendala oleh pencemaran yang berasal dari limbah domestik, limbah industri dan kegiatan pertanian di sekitar bantaran sungai. Hasil analisa kualitas air sungai diketahui melebihi baku mutu sungai kelas satu, sehingga sungai dalam kondisi tercemar. Oleh karena itu, diperlukan suatu upaya untuk mempertahankan kualitas air sungai agar sesuai dengan peruntukanya. Penelitian ini bertujuan untuk menghitung daya tampung beban pencemar menggunakan model QUAL2Kw dan menentukan konsentrasi BOD maksimum yang boleh dibuang ke sungai dengan program dinamik. Wilayah studi dimulai dari Cangkir hingga Sepanjang yang terbagi menjadi tiga segmen. Parameter yang di uji meliputi pH, temperatur, DO, BOD, dan COD. Data yang dibutuhkan yaitu data primer dengan sampling di beberapa titik yang dianggap mewakili kondisi sumber pencemar. Sedangkan data sekunder meliputi data klimatologi, jumlah penduduk, hidraulik sungai, debit dan kualitas air sumber pencemar yang berasal dari instansi terkait. Hasil perhitungan menunjukkan bahwa beban pencemar yang masuk melebihi daya tampungnya. Besaran beban pencemar yang masuk di setiap segmen yaitu 12.416 kg/hari, 23.180 kg/hari, dan 17.759 kg/hari. Sedangkan daya tampung beban pencemar (DTBP) adalah 1.681 kg/hari, 1.138 kg/hari, dan 1.398 kg/hari. Optimasi dilakukan untuk menentukan nilai BOD maksimum air limbah yang diizinkan masuk ke sungai yaitu sebesar 194,74 mg/L pada segmen satu, 197,65 mg/L pada segmen 2 dan 193,71 mg/L pada segmen tiga. ================ The Utilization of Kali Surabaya River as water resources for dringking water is constrained by pollution from domestic and industrial waste and agricultural activities around the river banks. The result of river water quality analysis indicated that it was exceed the water quality standard of first class, so the river is polluted. Therefore, an effort is needed to maintain the quality of river water in accordance with its requirements. This study aims to calculate the pollution load capacity using the QUAL2Kw model and determine the maximum BOD concentration that can be discharged into the river by a dynamic program. Study area starts from Cangkir to Sepanjang which is divided into three segments. Water quality parameters analyzed were pH, temperature, DO, BOD, and COD. The required data include primary data by sampling at certain point which is considered to represent the condition of pollutant source. Secondary data include climatology, population, river hydraulic, discharge and quality of pollution obtained from related institution. The result indicated that the pollutant load exceeds its capacity. Based on the simulation result, the value of pollutant load in each segment for BOD is 12.416 kg/day, 23.180 kg/day, and 17.759 kg/day. While the pollution load capacity (DTBP) in each segment is 1,681 kg / day, 1,138 kg / day, and 1,398 kg / day. Optimization was performed to determine the maximum BOD value of wastewater that was allowed into the river that is 194,74 mg/L in segment one, 197,65 mg/L in segment 2 and 193,71 mg/L in segment three.

Item Type: Thesis (Undergraduate)
Additional Information: RSL 628.362 Ali p
Uncontrolled Keywords: Kali Surabaya River, Pollution load capacity, QUAL2Kw, Multistage Programming, Runoff optimization, Daya tampung, QUAL2Kw, Multistage Programming, Optimasi air limbah
Subjects: T Technology > TD Environmental technology. Sanitary engineering > TD259.2 Drinking water. Water quality
T Technology > TD Environmental technology. Sanitary engineering > TD420 Water pollution
Divisions: Faculty of Civil, Environmental, and Geo Engineering > Environmental Engineering > (S1) Undergraduate Theses
Depositing User: Annisa Aliffia
Date Deposited: 07 Feb 2019 05:38
Last Modified: 07 Feb 2019 05:38
URI: http://repository.its.ac.id/id/eprint/53022

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