Pre-engineered modular underground and containerized biological wastewater treatment systems integrating anoxic, aerobic, membrane bioreactor (MBR), and disinfection stages, with fully buried installation saving surface area, fully automatic PLC control, micro-porous aeration oxygenation, and effluent meeting the national Class 1A integrated sewage discharge standard.
| Parameter | Technical Specification |
|---|---|
| Model Series | NPW-IWT Series (Modular Underground & Skid-Mounted Options) |
| Treatment Process Flows | Grid Screening + AO/A2O Contact Oxidation + SBR + Secondary Clarifier + MBR Filtration + Disinfection |
| Treatment Capacities | 10 ~ 500 m³ / day (Customizable modular trains) |
| BOD / COD Removal Rate | COD Removal ≥ 85% ~ 90%; BOD5 Removal ≥ 90%; NH3-N Removal ≥ 80% ~ 90% |
| Structural Materials | Heavy Reinforced Fiber-Reinforced Polymer (FRP), Epoxy Carbon Steel, or SUS 304 Stainless Steel |
| Aeration Technology | Micro-Porous Membrane Diffuser Pipelines (High Oxygen Transfer Efficiency, Non-Clogging) |
| Installation Flexibility | Fully Buried (Ground above used for landscaping/parking), Semi-Buried, or Containerized Above-Ground |
| Control Automation | Fully Automatic PLC Control Cabinet with Low-Noise Blowers and Auto-Sludge Recirculation |
| Design Service Life | Exceeds 15 ~ 20 Years continuous operational durability |





