15-Person Marine Sewage Treatment Plant | Compact IMO-Certified System
Efficient Black Water Treatment for Small Vessels & Marine Applications
Our SWCM(I)-15 marine sewage treatment plant delivers compact, reliable wastewater processing for vessels requiring 15-person capacity (max 17 persons). This marine sanitation device utilizes advanced biological treatment with UV disinfection to achieve strict IMO MEPC 227(64)/284(71) compliance – ideal for yachts, fishing boats, patrol vessels, and small commercial ships.
Key Features & Benefits
✔ Ultra-Compact Footprint – Smallest in class for tight marine installations
✔ Three-Stage Treatment Process – Biological oxidation + membrane filtration + UV sterilization
✔ Chemical-Free Operation – UV system eliminates pathogens without chlorine byproducts
✔ Marine-Grade Construction – Epoxy-coated steel for superior corrosion resistance
✔ Automated Operation – Integrated control panel for maintenance-free performance
✔ Globally Certified – IACS-approved (ABS, BV, CCS, DNV, LR, NK, KR, RMRS, RINA)
Technical Specifications
Treatment Capacity & Performance
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Rated Capacity: 15 persons | Peak Capacity: 17 persons
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Effluent Quality Exceeds IMO Standards:
✅ BOD5 ≤ 25 mg/L (Biological Oxygen Demand)
✅ COD ≤ 125 mg/L (Chemical Oxygen Demand)
✅ TSS ≤ 35 mg/L (Total Suspended Solids)
✅ Coliforms ≤ 100/100mL
✅ pH 6-8.5 | Residual Chlorine ≤ 0.5 mg/L
Dimensions & Build Quality
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Construction Material: Marine-grade mild steel with sandblasted surface (2.5 grade) & 0.25-0.3mm epoxy coating
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Dimensions (L×W×H): 1250 × 1150 × 1500 mm
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Weight: Dry – 1000 kg | Operational – 2000 kg
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Hydraulic Pressure Test: 2M water column
System Components
| Component | Specifications | Key Benefit |
|---|---|---|
| Biological Reactor | Aeration + contact oxidation + membrane filtration | 95%+ organic removal |
| Maceration Pump | 0.5CWF-8 (0.75 kW, 5 m³/h) | Efficient solids processing |
| Air Blower | 2RB 210-7AH16T (0.55 kW, 80 m³/h) | Low-power aeration |
| Discharge Pump | 25ZB-2-20 (0.75 kW, 2 m³/h) | Reliable effluent transfer |
| UV Sterilizer | JX-0.5UV (220V, 50Hz) | Chemical-free disinfection |
| Control Panel | 321DF-1M-01YL | Automated operation |
Advanced Treatment Technology
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Biological Digestion – Aerobic bacteria breakdown organic waste
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Membrane Bio-Reactor (MBR) – 0.1 micron filtration removes suspended solids
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UV-C Sterilization – 254nm wavelength destroys 99.9% of pathogens
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Anti-Fouling Design – Automatic backwash extends membrane life
Troubleshooting Guide
| Issue | Possible Cause | Solution |
|---|---|---|
| Low liquid level alarm | Pipe blockage | Clean overflow pipes |
| High level alarm | Membrane fouling | Clean/replace membrane |
| Abnormal pump noise | Mechanical failure | Repair/replace pump |
| UV lamp failure | Bulb burnt out | Replace UV lamp |
| Poor water quality | Insufficient bacteria | Re-culture activated sludge |
Certifications & Compliance
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Full Compliance With:
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IMO MEPC 227(64) & MEPC 284(71)
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MARPOL Annex IV Regulations
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Optional IACS Certifications: ABS, BV, CCS, DNV, GL, LR, NK, KR, RMRS, RINA
The description/sizes may be different with goods, please check with us when order.
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