Three-chamber biological aerobic sewage treatment plant for crew and passenger black + grey water.
| Capacity | 100 persons (population equivalent) |
| Type | biological aerobic sewage treatment plant |
| Hydraulic load | 22.50 m³/d (at 225 L per person per day) |
| Organic load | 5.40 kg BOD5/d (at 54 g BOD5 per person per day) |
| Vessel | 316L stainless / GRP composite |
| Air blower | roots-type, 0.75 to 11 kW (PE-dependent), IE3 |
| Disinfection | UV-C 254 nm low-pressure amalgam (MBR) or sodium-hypo dosing (aerobic) |
| Effluent quality | per MEPC.227(64) Annex Resolution Section 4.2 |
| Control | PLC, HMI, BMS-link via Modbus RTU |
| Electrical | 440 V 3-phase, IP55, marine ambient -10 to +55 °C |
| Noise | < 70 dB(A) at 1 m |
| Material | 316L stainless / GRP composite |
| MOQ | 1 set |
Form-fit envelope of Hamworthy Super Trident ST / Wärtsilä HMX MBR, Hyundai-Hatenboer HSTP, RWO ORCA / NCB MA-Sb-BIO, DVZ-Services SKA, Evac MBR, Headhunter Tidalwave, Jowa BIO and Detegasa BioMardes. Skid-base bolts match the standard 8-bolt rectangular footprint per the Hamworthy ST series.