250 Person Wastewater Treatment System

250-Person Marine Wastewater Treatment System | IMO-Compliant Sewage Solution

High-Capacity Wastewater Treatment for Commercial & Passenger Vessels

Our 250 person marine wastewater treatment plant system is an advanced, eco-friendly solution designed to meet the strictest IMO MEPC 227(64) and MARPOL Annex IV regulations. This industrial-grade wastewater treater combines cutting-edge biological treatment with membrane filtration to process both black water (toilet waste) and gray water (galley/sink drainage) from ships and offshore installations.

Key Features & Benefits

✔ Large Treatment Capacity – Handles 59,800L/day (250 persons standard/260 persons peak)
✔ Dual-Stream Processing – Efficiently treats 18,200L/day black water + 41,600L/day gray water
✔ Advanced Treatment Technology – A-O process + micro-electrolysis + MBR filtration
✔ Global Power Compatibility – Works with 220V-690V, 50/60Hz power systems
✔ Robust Marine Construction – Heavy-duty design for continuous operation
✔ Full IMO Compliance – Certified to MARPOL Annex IV & GB3552-2018 standards

Technical Specifications

Treatment Capacity

Parameter	Black Water	Gray Water	Total
Daily Load	18,200 L	41,600 L	59,800 L
Peak Flow Rate	2,275 L/h	3,120 L/h	5,395 L/h
Organic Load	15.34 kg BOD5/day
Nutrient Removal	TN: 2.86 kg/day	TP: 0.364 kg/day

System Specifications

• Rated Capacity: 250 persons (260 persons max)

• Power Consumption: 49.6 kW

• Voltage Options: AC220/380/415/440/460/690V, 50/60Hz, 3φ

• Dimensions (L×W×H): 6,800 × 2,930 × 2,470 mm

Advanced Treatment Process

1. Primary Treatment – Solids separation and anaerobic digestion

2. A-O Biological Process – Advanced nutrient removal

3. Micro-Electrolysis – Enhanced organic breakdown

4. MBR Filtration – 0.1μm membrane filtration for crystal-clear effluent

5. Final Disinfection – Optional chemical or UV treatment

Certifications & Approvals

• IMO MEPC 227(64) compliant

• GB3552-2018 certified

• MARPOL Annex IV approved

• 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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