Evaluasi dan Perencanaan Ulang Instalasi Pengolahan Air Limbah (IPAL) Industri Pembekuan Ikan PT. X Kabupaten Sidoarjo
2024
A’yunin, Qurrotu | Afrianisa, Rodu Dhuha
English. Fisheries have become one of the main economic sectors in Sidoarjo Regency. X Ltd., an industry producing frozen fish, already has a Wastewater Treatment Plant, but the WWTP effluent produced does not meet quality standards. Based on these problems, it is necessary to evaluate the WWTP and then re-plan the WWTP so that the effluent results meet quality standards. The evaluation method was carried out by analyzing samples of wastewater from each WWTP unit, measuring the dimensions of each WWTP unit, and comparing the detention time parameters with the design criteria. The evaluation results showed that the existing WWTP conditions did not meet the design criteria, and the existing WWTP effluent results did not meet the quality standards of East Java Governor Regulation No. 72 of 2013. The recommendation from the evaluation results is to re-plan the WWTP using an Anaerobic-Aerobic filter system. The units used are screens, equalization tanks, initial settling tanks, anaerobic filter tanks, aerobic filter tanks, and final settling tanks. The WWTP plans to treat wastewater with a discharge of 3 m 3 /day and characteristics of the wastewater, i.e., TSS 179 mg/L, BOD 239 mg/L, COD 586 mg/L, and Ammonia 29 mg/L. The WWT dimension is 6m x 1m x 1.5 m.
Show more [+] Less [-]Indonesian. Sektor perikanan merupakan salah satu sektor perekonomian utama di Kabupaten Sidoarjo. PT. X merupakan industri yang menghasilkan produk ikan beku. PT. X sudah memiliki Instalasi Pengolahan Air Limbah, namun effluen IPAL yang dihasilkan belum memenuhi baku mutu. Berdasarkan permasalahan tersebut maka diperlukan evaluasi IPAL, kemudian dilakukan perencanaan ulang IPAL agar effluen yang dihasilkan memenuhi baku mutu. Evaluasi dilakukan dengan menganalisis sampel air limbah dari tiap unit IPAL, mengukur dimensi dari tiap unit IPAL, dan membandingkan parameter waktu detensi dengan kriteria desain. Hasil evaluasi menunjukkan bahwa kondisi eksisting IPAL tidak memenuhi kriteria desain dan hasil effluent IPAL eksisting belum memenuhi baku mutu berdasarkan Peraturan Gubernur Jawa Timur No 72 Tahun 2013. Rekomendasi dari hasil evaluasi yaitu perencanaan ulang IPAL menggunakan sistem Anaerobik-Aerobik filter. Unit yang digunakan yaitu screen, bak ekualisasi, bak pengendap awal, bak anaerobik filter, bak aerobik filter, dan bak pengendap akhir. IPAL direncanakan untuk mengolah air limbah dengan debit 3 m 3 /hari dan karakteristik air limbah yaitu TSS 179 mg/L; BOD 239 mg/L; COD 586 mg/L; dan Ammonia 29 mg/L. Dimensi IPAL yang didapatkan yaitu 6m x 1m x 1,5m.
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