Marine Waste Water Treater System
Our marine waste water treater system is engineered to process blackwater (toilet sewage) and sterilize graywater, ensuring full compliance with IMO MEPC.159(55), MEPC.227(64), USCG, and Alaska DEC discharge standards. Designed for automatic operation, this compact yet high-capacity sewage treatment unit delivers reliable performance even in low-flush water conditions, making it ideal for commercial ships, yachts, and offshore platforms.
Key Benefits & Features
✔ Fully Automatic Operation – Self-cleaning system with alarm indicators for sewage tank load status
✔ Space-Saving Design – Compact footprint with high treatment capacity (up to 400-person equivalent)
✔ Multi-Standard Compliance – Meets IMO MEPC.159(55), MEPC.227(64), USCG, and Alaska DEC regulations
✔ Efficient Biological Treatment – Reduces BOD5, COD, TSS, and coliform bacteria to safe discharge levels
✔ Low Maintenance & Energy Efficient – Optimized power consumption with AC 380V-440V, 50/60Hz options
✔ Global Certifications – ABS, RINA, CCS, DNV, LR, KR, NK, USCG approved
Effluent Quality Standards Comparison
| Parameter | IMO MEPC.159(55) | IMO MEPC.227(64) | USCG | Alaska DEC |
|---|---|---|---|---|
| TSS (mg/L) | 35 | ≤35 (Qi/Qe) | 150 | 30 |
| BOD5 (mg/L) | 25 | ≤25 (Qi/Qe) | NR | 30 |
| COD (mg/L) | 125 | ≤125 (Qi/Qe) | NR | NR |
| Coliform (CFU/100mL) | 100 | 100 | 200 | 20 |
| pH Range | 6–8.5 | 6–8.5 | NR | 6–9 |
| Residual Chlorine (mg/L) | <0.5 | <0.5 | NR | 10 |
| Ammonia Nitrogen (mg/L) | NR | NR | NR | 10 |
| Total Nitrogen (mg/L) | NR | ≤20 (Qi/Qe) or 70% removal | NR | NR |
| Total Phosphorus (mg/L) | NR | ≤1.0 (Qi/Qe) or 80% removal | NR | NR |
Technical Specifications & Model Variations
Available Models & Performance Data
| Model | SWCM(I)-15 | SWCM(I)-20 | … | SWCM(I)-400 |
|---|---|---|---|---|
| Avg. Load (L/day) | 1,190 | 1,540 | … | 30,800 |
| Peak Load (L/hr) | 149 | 193 | … | 3,850 |
| Organic Load (kg BOD5/day) | 0.595 | 0.77 | … | 15.4 |
| Rated Capacity (Persons) | 15 | 20 | … | 400 |
| Max Capacity (Persons) | 17 | 22 | … | 440 |
| Power (kW) | 2.5 | 2.5 | … | 11 |
| Dimensions (L×W×H, mm) | 1870×1200×1450 | 1680×1400×1570 | … | 5980×2450×2600 |
| Dry Weight (kg) | 1,000 | 1,000 | … | 4,200 |
| Wet Weight (kg) | 2,283 | 2,640 | … | 25,417 |
Note: The description might be incorrect, please contact us for confirmation.
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