Marine Wastewater Treatment Equipment | IMO MEPC.159(55) Certified | Black & Grey Water Treatment
Advanced Marine Sewage Treatment System for Vessel Compliance
Our marine wastewater treatment equipment provides complete wastewater processing for ships, effectively treating both black water (sewage) and grey water (galley/shower drainage) to meet strict international discharge standards. Certified to IMO MEPC.159(55) “New Standards”, this system ensures full compliance with MARPOL Annex IV regulations for vessels installed after January 1, 2010.
Key Features & Benefits
✔ Dual Waste Stream Processing – Handles black water and pre-treated grey water
✔ IMO MEPC.159(55) Certified – Meets current international effluent standards
✔ Compact & Efficient Design – Space-saving footprint for easy installation
✔ Automatic Operation – Low-maintenance system with reliable performance
✔ Global Compliance – Meets USCG & Alaska DEC requirements
Effluent Quality Standards Comparison
| Parameter | IMO Old Standard | IMO New Standard (MEPC.159(55)) | USCG | Alaska |
|---|---|---|---|---|
| TSS (mg/L) | 50 | 35 | 150 | 30 |
| BOD5 (mg/L) | 50 | 25 | NR | 30 |
| COD (mg/L) | NR | 125 | NR | NR |
| Coliform (CFU/100mL) | 250 | 100 | 200 | 20 |
| pH Range | 6-9 | 6-8.5 | NR | 6-9 |
| Residual Chlorine (mg/L) | NR | <0.5 | NR | 10 |
| Testing Duration (Days) | 10 | 16 | 10 | 30 |
System Specifications & Capabilities
Treatment Process
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Biological digestion of organic pollutants
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Advanced filtration for suspended solids removal
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Disinfection system for pathogen control
Model Options
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Multiple capacity models available (15-400 person equivalent)
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Custom configurations for grey water pretreatment
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Flexible installation options for new builds or retrofits
Certifications
✅ IMO MEPC.159(55) Certified
✅ USCG Compliant
✅ Alaska DEC Approved
✅ Major Classification Society Approvals
Why Choose Our Marine Wastewater Treatment Equipment?
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Proven Compliance: Guaranteed to meet current IMO standards
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Versatile Application: Processes both black and grey water streams
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Reliable Performance: Robust construction for marine environments
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Future-Proof Design: Ready for emerging environmental regulations
Contact us today for technical specifications and vessel-specific recommendations to ensure complete regulatory compliance.
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