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    Pra Rancang Pengolahan Lindi TPA Studi Kasus TPA Mencirim Kota Binjai

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    Date
    2021
    Author
    Abbud, Andar Atha Salim
    Advisor(s)
    Fatimah
    Siregar, Ronald Leonardo
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    Abstract
    Air lindi, adalah air yang dihasilkan dari berbagai proses seperti pembusukan sampah, infiltrasi air kedalam tumpukan sampah, maupun air yang terkandung dari sampah sendiri, yang dimana akan mengalir ke bagian bawah tumpukan sampah dan mengekstraksi kandungan sampah baik terlarut maunpun tersuspensi. Air lindi jika tidak dikelola dengan baik dapat merusak lingkungan maupun mahluk hidup di sekitarnya. TPA Mencirim adalah instalasi pengolahan sampah yang beroperasi dari tahun 1985 dan berakhir pada Tahun 2030, instalasi ini diperkirakan tidak akan sanggup menampung volume sampah yang dihasilkan dari kota Binjai, sehingga dilakukan lah penelitian perancangan sistem TPA sanitary landfill di TPA Mencirim, diperkirakan bahwa unit instalasi pengolahan air lindi eksisting tidak dapat mengolah air lindi yang dihasilkan dari TPA yang akan dirancang sehingga perlu untuk dirancang sistem baru yang mampu mengolah air lindi yang dihasilkan. Timbulan debit lindi akan dihitung menggunakan metode neraca air Thornthwaite-Matter. Metode ini akan memperhitungkan faktor – faktor seperti presipirasi, evapotranspirasi, surface run-off dan Soil moisture storage. Pemilihan unit proses yang digunakan akan dikondisikan bedasarkan karakteristik air lindi yang berasal dari lokasi eksisting, dan unit proses yang dirancang akan mengikuti unit pengolahan air lindi yang terdapat pada Peraturan Menteri Pekerjaan Umum No. 3 Tahun 2013 Tentang Penyelengaraan Sarana dan Prasarana Persampahan Lampiran III. Pengambilan Sample air lindi dilaksanakan di inlet kolam IPL eksisting, sampling dilaksanakan dengan metode Grab Sampling yang dimana akan dibawa ke laboratorium untuk diperiksa kandungannya, baku mutu yang digunakan adalah Peraturan Menteri Lingkungan Hidup dan Kehutanan No. 59 Tahun 2016 Tentang Baku Mutu Lindi Bagi Usaha dan atau Kegiatan TPA Sampah. Perhitungan rencana anggaran biaya dilakukan berdasarkan harga satuan setempat dan mengikuti peraturan yang ada. Bedasarkan dari perhitungan neraca air metode Thornthwaite-matter didapatkan timbulan air lindi dari perancangan TPA sanitary landfill di Mencirim kota Binjai adalah sebesar 85,78 m3/hari dan karakteristik air lindi yang didapatkan bedasarkan hasil analisis yang dilakukan di laboratorium memiliki kandungan pH sebesar 7,99, BOD sebesar 1328,00 mg/L, COD sebesar 2970,00 mg/L, dan kandungan TSS sebesar 308,00 mg/L. Bedasarkan karakteristik air lindi yang didapatkan unit – unit proses pengolahan lindi yang dipilih untuk mengolah air lindi di TPA Mencirim adalah bak ekualisasi, bak anaerobik, bak fakultatif, bak wetland, bak kontrol dan desinfektasi. Hasil efluen dari unit instalasi yang dirancang diperkirakan memiliki kandungan BOD sebesar 30,00 mg/L dan kandungan COD Sebesar 67,09 mg/L. Total biaya investasi yang diperhitungkan untuk membangun unit yang dirancang adalah sebesar Rp. 3.521.100.000,00.
     
    Leachate, is a water produced from various processes such as decomposition of waste, infiltration of water into the pile of garbage, or water contained in the waste itself, which will flow to the bottom of the pile of garbage and extract the contents of both dissolved and suspended waste. Leachate if not managed properly can damage the environment and the living things around it. Mencirim Municipal Solid Waste Landfill is a solid waste processing installation which has been operating from 1985 and projected will ceased operation in 2030, this installation are expected not be able to accommodate the volume of waste generated from the city of Binjai, so a research on the design of the sanitary landfill system was carried out at Mencirim Municipal Solid Waste Landfill. Existing leachate Treatment Plant (LTP) calculated cannot treat leachate from new landfill system that which will be designed so it is necessary to design a new system that capable of treating leachate water that produced. Leachate discharge will be calculated using the Thornthwaite-Matter water balance method. This method will take into account factors such as precipitation, evapotranspiration, surface run-off and soil moisture storage. The selection of the process unit will be used are conditioned based on the characteristics of leachate from the existing location, and the process unit which is designed will follow the leachate treatment unit contained in the Regulation of the Minister of Public Works No. 3 of 2013 concerning Management of Facilities and Infrastructure of Solid Waste Appendix III. Sampling of leachate was carried out at the inlet of the existing LTP pool, sampling was carried out using the Grab Sampling method which would be taken to the laboratory to be examined for its contents, the quality standard used was the Regulation of the Minister of Environment and Forestry No. 59 of 2016 concerning the Quality Standards of Leachate for Business and / or Activities of MSWL Waste. The calculation of the budget plan is carried out based on the local unit price and follows the existing regulations. Based on the water balance calculation of the Thornthwaite-matter method, the leachate generation from the design of the sanitary landfill in Mencirim, Binjai City was 85.78 m3 / day and the characteristics of leachate obtained based on the results of the analysis carried out in the laboratory had a pH content of 7.99. , BOD of 1328.00 mg / L, COD of 2970.00 mg / L, and TSS content of 308.00 mg / L. Based on the characteristics of the leachate obtained, the leachate processing units selected to treat leachate at TPA Mencirim are equalization tanks, anaerobic tanks, Facultative tanks, wetland tanks, control tanks and disinfectants. The effluent yield from the designed installation unit is estimated to have a BOD content of 30.00 mg / L and a COD content of 67.09 mg / L. The total investment cost calculated to build the designed unit is Rp. 3,521,100,000.00.

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    DSpace software copyright © 2002-2016  DuraSpace
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