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UV Photocatalysis

UV/O₃/H₂O₂ (over-ozone photocatalysis) is a highly efficient post-UV-AOP advanced oxidation technology. This method utilizes high-intensity, high-energy ultraviolet light to stimulate H₂O₂ and O₃ to produce highly oxidizing hydroxyl radicals. These hydroxyl radicals oxidize refractory organic matter, causing chain scission and ring opening reactions, effectively reducing COD without causing secondary pollution.

UV/O₃/H₂O₂ (over-ozone photocatalysis) technology offers significant advantages, including strong oxidizing capacity and high mineralization, making it particularly suitable for treating refractory organic wastewater that is difficult to treat using traditional methods.

In practical applications, optimized design (e.g., O₃ and H₂O₂ dosage ratio, UV intensity, reactor configuration, pH control, etc.) is required based on water quality characteristics and treatment objectives, while also considering economic considerations.



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Advantages

  1. Effectively treats low-concentration, difficult-to-degrade wastewater

  2. No waste generation (no secondary pollution)

  3. Achieve treatment requirements in a short time

  4. High reliability, enabling automatic control and remote monitoring, eliminating the need for on-site staff

  5. Modular UV reactors, pre-installed systems, and easy replacement

  6. No odor or foul-smelling gases produced after treatment

Parameter

Product Series

ONYX- LPUV/O3/H2O2

ONYX- MPUV/O3/H2O2

Lamp type

254nm low-pressure amalgam lamp

Medium pressure UV lamps

Lamp life

320W

3~12KW

Lamp power adjustment range

50-100%

50-100%

Lamp configuration

30/36 lamps vertical insertion type or reactor flow type

multiple lamps/skid-mounted modules

Flow material

316L or other stainless steel, quartz glass, fluororubber, etc.

316L or other stainless steel, quartz glass, fluororubber, etc.

Lamp life

≥12,000 小时

≥5,000 小时

Cleaning drive system

Gas driven or motor driven cleaning

Motor drive

Automatic Cleaning

Online automatic mechanical cleaning

Online automatic mechanical cleaning

Available oxidants

Ozone (O3), hydrogen peroxide (H2O2)

Ozone (O3), hydrogen peroxide (H2O2)

Installation location

Indoor or outdoor

Indoor or outdoor

Control cabinet material

Indoor carbon steel spray coating / outdoor 304

Indoor carbon steel spray coating / outdoor 304

Control Cabinet Protection Level

IP54（Indoor ）/ IP55（outdoor ）

IP54（Indoor ）/ IP55（outdoor ）

Control System

Touch screen + PLC control

Touch screen + PLC control

Control system interface type

Support RS485, PROFIBUS-DP, Ethernet and other interfaces

Support RS485, PROFIBUS-DP, Ethernet and other interfaces

Power specifications

380V/50HZ

380V/50HZ


Technical Specifications

Parameter Specification
ModelUV Photocatalysis
Treatment CapacityCustomized, range 1 - 100,000 m3/day
UV Dose>=40 mJ/cm2 (meets NSF/EPA standards)
Lamp TypeLow-pressure high-output / Medium-pressure (optional)
Effective Lamp Lifespan12,000-17,000 hours
Reactor Material316L Stainless Steel / 304 Stainless Steel
Operating Temperature5 - 45 °C
IP RatingIP68 (lamp module) / IP65 (control cabinet)
Cleaning MethodAutomatic mechanical cleaning / Chemical cleaning (optional)
Control SystemPLC automatic control, SCADA remote monitoring supported
CertificationCE, NSF/ANSI 55, GB/T 19837

Application Scenarios

UV Photocatalysis is widely used in the following applications:

Technical Principle

UV disinfection technology utilizes ultraviolet light (wavelength 254nm) to damage the DNA/RNA structure of microorganisms, rendering them unable to reproduce and effectively sterilizing the water. Compared with chemical disinfection, UV treatment requires no chemical additives, produces no disinfection by-products (DBPs), achieves high inactivation efficiency against bacteria, viruses, and spores, and requires only seconds of contact time. It is a safe, environmentally friendly physical disinfection method.

ONYX UV equipment features optimized reactor hydraulic design ensuring uniform UV dose distribution, paired with an automatic cleaning system to maintain lamp transmittance for long-term stable operation. The equipment supports online UV dose monitoring and real-time operational status feedback, and can be seamlessly integrated into existing SCADA systems.

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