PERENCANAAN INSTALASI PENGOLAHAN AIR SUNGAI UNTUK KEBUTUHAN AIR BOILER (STUDI KASUS DI PT. ENTEK SEPARINDO ASIA)

Iswahyudi, Iswahyudi (2021) PERENCANAAN INSTALASI PENGOLAHAN AIR SUNGAI UNTUK KEBUTUHAN AIR BOILER (STUDI KASUS DI PT. ENTEK SEPARINDO ASIA). Skripsi thesis, Universitas Sahid Jakarta.

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Abstract

PERENCANAAN INSTALASI PENGOLAHAN AIR SUNGAI UNTUK KEBUTUHAN AIR BOILER (STUDI KASUS DI PT. ENTEK SEPARINDO ASIA) Iswahyudi1, Dr. Ninin Gusdini, ST, MT.2, Laila Febrina, ST, MSi.3 Mahasiswa Program Studi Teknik Lingkungan, Fakultas Teknik Universitas Sahid Jakarta1 Program Studi Teknik Lingkungan, Fakultas Teknik Universitas Sahid Jakarta2’3 Email : iswahyudi.2095@gmail.com Abstrak Air sungai Cileungsi memiliki tingkat kesadahan, TDS, sillica, turbidity, dan Iron yang melebihi persyaratan air Boiler PT. Entek Separindo Asia. Air Baku yang diolah melewati Instalasi Pengolahan Air Sungai ini nantinya harus mengurangi kandungan pencemar hingga dibawah baku mutu, yaitu mampu menghasilkan air bebas mineral dengan pH 6,5-7,5, Total Hardness < 5 ppm, TDS < 200 ppm, Silica < 5 ppm, Kekeruhan < 2 NTU, Iron < 0,3 mg/l dan kapasitas produksi 21 m3/jam. Hasil penelitian bahwa alur proses pengolahan air dimulai dari pintu air, barscreen, saluran pembawa, bak equalisasi, koagulasi-flokulasi, sedimentasi, bak intermediate, sand filter, zeolit filter, activated carbon filter, bak after filter, filter cartridge, reverse osmosis, pertukaran ion, dan bak akhir. Lebar saluran pembawa dan screen 0,2 m, volume bak equalisasi 21 m3, diameter koagulasi static mixer 0,15 m dan panjang 1,8 m, volume bak flokulasi impeller radial 21 m3, volume bak sedimentasi plate settler 2,06 m3 x 2unit, volume bak intermediate 21 m3, volume tabung sand filter, zeolit filter, dan activated carbon filter 0,75 m3, volume bak after filter 21 m3, diameter housing cartridge filter 32 cm, kapasitas RO 42 m3/jam dengan recovery 50%, volume tabung penukar ion 2,56 m3, dan volume bak akhir 126 m3. Kata kunci: sungai, boiler, reverse osmosis, ion. Abstract The Cileungsi river has hardness, TDS, sillica, turbidity, and Iron levels that exceed the water Boiler requirements of PT. Entek Separindo Asia. Raw water processed through this River Water Treatment Plant will have to reduce pollutant content and able to produce water with a pH of 6.5-7.5, Total Hardness <5 ppm, TDS <200 ppm, Silica <5 ppm, Turbidity <2 NTU, Iron <0.3 mg/l and production capacity of 21 m3/hour. The results of the study show that the flow of the water treatment process starts from sluice, barscreen, intake channel, equalization basin, coagulation-flocculation, sedimentation, intermediate basin, sand filter, zeolite filter, activated carbon filter, after-filter basin, cartridge filter, reverse osmosis, ion exchange, and product basin. Width of intake channel and screen 0,2 m, equalization basin volume 21 m3, diameter static mixer coagulation 0,15 m and 1,8 m length, flocculation basin radial impeller volume 21 m3, sedimentation plate settler volume 2,06 m3 x 2 units, intermediate basin volume 21 m3, sand filter, zeolit filter, activated carbon filter tube volume 0,75 m3, after filter basin volume 21 m3, filter cartridge housing diameter 32 cm, capacity reverse osmosis 42 m3/hour with recovery 50%, ion exchange tube volume 2,56 m3, and product basin volume 126 m3. Keywords: River, boiler, reverse osmosis, ion.

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