Perencanaan Penyaluran Air Limbah dan Instalasi Pengolahan Air Limbah Sentra Industri Tahu di Kampung Tahu Tinalan, Kota Kediri
Submission Date: 2023-07-27 08:45:20
Accepted Date: 2024-05-06 08:48:36
Abstract
Kampung Tahu Tinalan merupakan sentra industri tahu di Kota Kediri. Sebagian besar proses produksi dilakukan secara konvensional sehingga efisiensi penggunaan sumber daya air dan bahan baku rendah. Akibatnya timbulan air limbah dan konsentrasi pencemar relatif tinggi. Selain itu, terdapat air limbah domestik yang berasal dari aktivitas seperti mandi dan mecuci yang belum terolah. Akumulasi pencemar di badan air dapat menurunkan daya dukung lingkungan. Oleh karena itu, diperlukan perencanaan sistem penyaluran air limbah (SPAL) dan instalasi pengolahan air limbah (IPAL). Pada lokasi perencanaan terdapat 18 pabrik produksi tahu, 175 rumah warga, dan 2 mushola yang menghasilkan debit rata-rata air limbah sebesar 56 m3. SPAL direncanakan dengan sistem pengaliran secara gravitasi shallow swer, menggunakan pipa PVC berukuran 110 dan 140 mm dengan panjang total 1.360 m. IPAL terdiri dari unit sumur pengumpul, bak pengendap pertama, anaerobik filter, aerobik filter, bak pengendap akhir, dan kolam bio indikator. Efisiensi pengolahan IPAL sebesar 97% terhadap parameter BOD, 96% COD, 98,8% TSS, dan 92% Amonia. Luas lahan IPAL yang diperlukan sebesar 81,5 m2. Rencana anggaran biaya pembangunan SPAL sebesar Rp 581.500.000, IPAL sebesar Rp 242.700.000. Total RAB sebesar Rp 920.000.000 termasuk pajak. Adapun biaya operasional dan pemeliharaan sebesar Rp 960.000.000 per bulan.
Keywords
Air Limbah; Anaerobik–Aerobik Filter; Kampung Tinalan; Pengolahan; Penyaluran
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