PERANCANGAN DAN ANALISIS SISTEM BALLAST WATER TREATMENT UNTUK MEMENUHI STANDAR INTERNASIONAL
Kata Kunci:
ballast water treatment; IMO BWMC; UV disinfection; standar D-2; kapal bulk carrierAbstrak
Air ballast yang dibuang tanpa pengolahan dapat membawa organisme invasif ke perairan lain sehingga kapal wajib memenuhi standar D-2 IMO BWMC. Penelitian ini merancang sistem Ballast Water Treatment (BWT) untuk kapal bulk carrier 20.000 DWT milik PT Jasa Armada Indonesia Tbk., Batam. Desain mengintegrasikan filtrasi mekanik 50 µm dan disinfeksi UV (dosis minimum 186 mJ/cm², IMO BWM.2/Circ.65) berkapasitas 1.000 m³/jam, dimodelkan dengan EPANET 2.2 dan ANSYS Fluent 2024 R2. Hasil analisis menunjukkan seluruh parameter standar D-2 terpenuhi: organisme ≥ 50 µm < 10 org/m³, koliform tinja < 250 CFU/100 mL, dan Vibrio cholerae < 1 CFU/100 mL. Dosis UV rata-rata 198 mJ/cm² dengan uniformitas CV = 8,4% (batas IMO < 15%). Simulasi Monte Carlo 10.000 iterasi menghasilkan probabilitas kepatuhan D-2 sebesar 98,7%. Total Cost of Ownership 15 tahun Rp 4,8 miliar, jauh lebih rendah dibandingkan estimasi denda PSC Rp 36 miliar.
Referensi
DAFTAR PUSTAKA
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