The ZS-L Series Medical Wastewater Treatment System is a compact, fully automated unit engineered for clinics, dental offices, veterinary hospitals, and small medical facilities. Combining multi-stage filtration with ozone disinfection (99%+ kill rate), it meets EPA and EU Urban Waste Water Directive 91/271/EEC discharge requirements in a footprint as small as 0.5 m² — with no chemical dosing, no noise, and no secondary pollution.
Zhongsheng Environmental's ZS-L Series is purpose-built for the unique challenges of medical and clinical wastewater. Effluent from surgical suites, dental chairs, laboratories, and veterinary clinics contains pathogenic bacteria, viruses, parasites, pharmaceutical residues, and in some cases radioactive isotopes — all of which require specialized treatment before discharge. The ZS-L integrates multi-stage filtration and high-concentration ozone disinfection into a single, plug-and-play package that requires no operator attendance, no chemical storage, and no dedicated plant room.
Raw wastewater from medical fixtures flows by gravity (or low-head pump) into the ZS-L unit, where it passes through a multi-stage treatment train:
Treated effluent meets discharge standards and can be released to the municipal sewer or, where permitted, to surface water.
| Parameter | Specification |
|---|---|
| Treatment Capacity | 0.5 – 10 m³/day (model dependent) |
| Disinfection Method | Ozone (O₃), ≥99% kill rate |
| Power Supply | 220V / 50Hz single phase |
| Power Consumption | 0.5 – 1.5 kW |
| Footprint | From 0.5 m² (wall-mounted) to 2.0 m² |
| Noise Level | < 45 dB(A) |
| Chemical Dosing | None required |
| Control System | PLC with automatic level-sensing start/stop |
| Enclosure Material | 304 Stainless Steel / Powder-coated Carbon Steel |
| Applicable Standards | EPA NPDES, EU Directive 91/271/EEC, WHO Guidelines |
Medical facilities face strict regulatory requirements for wastewater discharge — yet most small clinics lack the space, budget, or staff for conventional treatment plants. The ZS-L Series solves this with a turnkey, zero-chemical, zero-noise system that fits in a utility closet and runs unattended. Ozone disinfection delivers superior pathogen destruction compared to chlorine-based methods, with no chemical procurement, no DBP formation, and no residual handling. Hundreds of ZS-L units are operating across hospitals, clinics, and veterinary facilities worldwide, backed by Zhongsheng's commissioning support and 24-month warranty.
County-level hospitals (≤200 beds), community clinics, dental offices, veterinary clinics, beauty/cosmetic clinics, and small laboratory wastewater treatment.
No, ozone disinfection achieves ≥99% sterilization without chemical consumables — zero ongoing reagent costs.
Meets China's "Medical Institution Wastewater Discharge Standards" and comparable international regulations for pathogen, COD, and BOD₅ removal.
Yes, compact footprint, silent vibration-free operation, and aesthetic enclosure allow indoor installation without disrupting clinical operations.
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