50-Persons Marine Sewage Treater System | IMO MEPC 159(55) Compliant
Compact & Efficient Wastewater Solution for Mid-Size Vessels
Our WCMBR-50(U) 50 persons marine sewage treater plant provides reliable wastewater processing that meets strict IMO MEPC 159(55) standards. This complete treatment system effectively handles black water (toilet waste) and gray water from vessels up to 50 persons capacity.
Key Features & Benefits
✔ Certified Performance – Complies with IMO MEPC 159(55) effluent standards
✔ Complete Treatment System – Includes biological treatment + MBR filtration + UV disinfection
✔ Flexible Installation – Suitable for both inspected and uninspected vessels
✔ Durable Construction – Q235-A steel main body with 0.021MPa test pressure
✔ Global Certifications – Available with ABS, BV, DNV, LR, CCS, USCG and other class approvals
Technical Specifications
System Capacity & Performance
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Rated Capacity: 50 persons
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Daily Flow: 3,780 liters/day
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Effluent Quality:
✅ BOD5 ≤ 25 mg/L
✅ TSS ≤ 35 mg/L
✅ Coliforms ≤ 100 MPN/100mL
✅ COD ≤ 125 mg/L
✅ pH 6-8.5 | Residual Chlorine < 0.5 mg/L
Operating Conditions
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Temperature Range: 0°C to +50°C
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Humidity: ≤90% RH
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Power Supply: AC380V/50Hz/3φ
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Compressed Air Requirement: 0.1-0.3MPa, 0.2m³/h
System Components
| Component | Model | Qty | Material/Notes |
|---|---|---|---|
| Main Body | – | 1 | Q235-A steel |
| Cutting Pump | 50CPW0.5-10B | 1 | – |
| Air Pump | CYBW-20 | 1 | – |
| Discharge Pump | CLH40-32-2(Z)A | 1 | – |
| Dosing Pump | DL7-5 | 1 | – |
| MBR Membrane | 6040W | 1 | – |
| UV Sterilizer | JX-0.5UV | 1 | – |
| Control Panel | – | 1 | – |
| Monitoring Equipment | – | Multiple | Flowmeters, level switches, pressure gauges |
Certifications & Approvals
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IMO MEPC 159(55) compliant
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Available with major class certificates:
✅ ABS ✅ BV ✅ DNV ✅ LR ✅ CCS ✅ USCG ✅ RINA ✅ NK
The description/sizes may be different with goods, please check with us when order.
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