Kajian Risiko Proses Pengolahan Lumpur Tinja Menggunakan Metode Failure Mode and Effect Analysis (FMEA) (Studi Kasus: Instalasi Pengolahan Lumpur Tinja Kota Batu)
Submission Date: 2021-08-20 18:12:37
Accepted Date: 2021-12-22 17:37:26
Abstract
Instalasi Pengolahan Lumpur Tinja (IPLT) Kota Batu merupakan salah satu Unit Pelaksana Teknis Pengelolaan Air Limbah Domestik Dinas Perumahan dan Kawasan Permukiman Kota Batu. Pada tahun 2017-2019 debit pengolahan IPLT Kota Batu sebesar 36 m3/hari. Berdasarkan hasil analisis laboratorium tahun 2017 – 2019, diperoleh hasil bahwa parameter indikator pencemaran tidak memenuhi baku mutu. Nilai effluent pada IPLT Kota Batu Tahun 2019 untuk parameter BOD, COD, TSS, pH, dan minyak lemak masing-masing sebesar 59,42 mg/L; 188,7 mg/L; 46,8 mg/L; 9,2; dan 6,5 mg/L. Sehingga diperlukan identifikasi terhadap terjadinya kegagalan pengolahan lumpur tinja untuk meminimalisir kemungkinan terjadinya risiko kegagalan serta saran perbaikan yang dapat dilakukan. Lingkup penelitian ini adalah mengevaluasi pengolahan air limbah pada operasional sebelum tahun 2019 dengan debit pengolahan 36 m3/hari. Analisis untuk meminimalisir kegagalan dalam pengolahan lumpur tinja menggunakan Failure Mode and Effect Analysis (FMEA). Risiko terjadinya kegagalan pada instalasi pengolahan lumpur tinja dianalisis dengan menggunakan metode fishbone. Risiko tersebut dapat dihitung nilai severity, occurence, dan detection dari metode FMEA dan dari nilai tersebut dapat ditentukan prioritas penanganan dan perbaikan dengan mengalikan hasil nilai severity, occurence, dan detection yang dinyatakan dalam bentuk Risk Priority Number. Berdasarkan dari hasil analisis dan kuisioner yang didapatkan, upaya untuk memperkecil kegagalan pengolahan lumpur tinja diantaranya pengurasan rutin barscreen, memperketat SOP penyedotan lumpur tinja, pelatihan atau seminar tentang pengolahan tinja, mengontrol limbah masuk, perawatan pada unit ABR, Kolam Fakultatif, Kolam Maturasi, dan pompa vacuum truk tinja secara rutin.
Keywords
Failure Mode and Effect Analysis (FMEA); Fishbone Diagram; IPLT Kota Batu; Lumpur Tinja; Risk Priority Number
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