25-Person Marine Sewage Treatment Unit | Compact & IMO-Certified Solution
Efficient Wastewater Treatment for Small Vessels & Yachts
Our 25-person marine sewage treatment unit delivers advanced wastewater processing that exceeds IMO MEPC 227(64) and MARPOL Annex IV standards. This space-saving system combines A-O biological treatment with MBR technology to effectively handle black water (toilet waste) and gray water (galley/sink drainage) from small commercial vessels and luxury yachts.
Key Features & Benefits
✔ Compact Capacity – Handles 6,210L/day (25 persons standard/27 persons peak)
✔ Dual-Stream Processing – Treats 1,890L/day black water + 4,320L/day gray water
✔ Advanced Treatment – A-O process + micro-electrolysis + MBR filtration
✔ Ultra-Compact Design – Only 3,350×1,680×1,530mm footprint
✔ Global Power Ready – Compatible with 220V-690V, 50/60Hz power systems
✔ Energy Efficient – Just 10.44 kW power consumption
✔ Full Certification – MARPOL Annex IV & GB3552-2018 compliant
Technical Specifications
Treatment Capacity
| Parameter | Black Water | Gray Water | Combined |
|---|---|---|---|
| Daily Load | 1,890 L | 4,320 L | 6,210 L |
| Peak Flow | 236 L/h | 324 L/h | 560 L/h |
| Organic Load | 1.593 kg BOD5/day | ||
| Nutrient Removal | TN: 0.297 kg/day | TP: 0.0378 kg/day |
System Specifications
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Rated Capacity: 25 persons (27 persons max)
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Power Consumption: 10.44 kW
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Voltage Options: AC220/380/415/440/460/690V, 50/60Hz, 3φ
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Dimensions (L×W×H): 3,350 × 1,680 × 1,530 mm
Advanced Treatment Technology
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Primary Treatment – Solids separation and anaerobic digestion
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A-O Biological Process – Advanced nutrient removal
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Micro-Electrolysis – Enhanced organic breakdown
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MBR Filtration – 0.1μm membrane filtration for superior effluent quality
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Final Disinfection – Optional UV or chemical treatment
Certifications & Approvals
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IMO MEPC 227(64) compliant
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GB3552-2018 certified
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MARPOL Annex IV approved
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IACS member approvals available: BV, CCS, NK, DNV, GL, ABS, LR, RMRS, RINA
The description/sizes may be different with goods, please check with us when order.
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