Development of high capacity disinfection & oxidation system using long life medium pressure and pulse ultraviolet lamp

goal

  • Development of high-efficiency, long-life medium-pressure and pulse-type UV lamps/stabilizers, and a 20,000 ton/d large-capacity UV disinfection/oxidation device applying them

Research Content

  1. Development of high-efficiency, long-life medium-pressure (4, 6, 8 kW class) UV lamps and pulse type (10 kW class) UV lamps and electronic ballasts for driving
  2. Development of large-capacity UV disinfection and oxidation device based on CFD-RED analysis equipped with online mechanical + chemical + micro bubble + high-speed circulation cleaning device
  3. Development of Online UVT meter with automatic cleaning function and development of interlocking operation control program
  4. Lamp and ballast, UV disinfection/oxidation device performance evaluation
  5. Development of constant monitoring technology and automatic control system for large-capacity UV water treatment system

High-Efficiency, Long-Life Lamps and Ballasts

Development of UV Lamps and Ballasts Considering Cooling Characteristics (for Water Treatment)

- Development of electrode and sealing section shapes considering cooling characteristics
- Research and development on lamp tube etching and mercury/inert gas injection (pulse: Xe gas)
- Development of high-efficiency, high power factor low-frequency AC square wave ballasts
- Development of shimmer lighting method and IGBT power circuit (pulse-type ballast), etc.

┃ Collaborative Research Evaluation ┃

Large-Capacity UV Reactor


Automation of Large-Capacity UV Water Treatment Systems

- Optimal reactor design based on CFD-RED and approximate optimization techniques
- Development of reactor equipped with online mechanical + chemical + microbubble + high-speed circulation cleaning devices
- Space reduction of 10% or more through One-Side Access installatio
- Performance evaluation by overseas certification bodies and acquisition of international certifications, etc.

┃ International Certification Acquisition ┃

UVT Meter and Operation Algorithm

Development of Operation Optimization Algorithm and Variable Control Demonstration According to Water Quality Changes (UVT)

- Development of online UVT meter with automatic cleaning function
- Demonstration of operation optimization algorithm and variable control according to UVT changes
- Development of lamp life diagnosis and output control technology through output monitoring
- Development of lamp linearity variable output control technology for operation cost reduction and lamp life enhancement, etc.

┃ Test-bed Demonstration ┃