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PDOevo ozone system

Обзор Технические характеристики Отрасли и области применения Документация и инструменты


Характеристики продукта


  • Ozone production of 1,000 to 15,000 lbs./day or 18kg/hr to 300kg/hr
  • Low cooling water consumption
  • Customized, completely mounted and instrumented “plug and play” system 
  • Robust design for operation under rough ambient conditions
  • Easy installation and operation
  • Virtually maintenance-free electrode technology
  • 10-year replacement warranty on Effizon evo 2G electrodes
  • CE, UL Certified

Robust, customizable ozone solutions

Xylem's Wedeco PDOevoPLUS ozone system has been engineered to produce large quantities of ozone both reliably and efficiently. The PDOevoPLUS series can also be customized and integrated to fit seamlessly into local conditions and processes.  

The PDOevoPLUS series is specially manufactured to operate with lower cooling water consumption,  solving up to 60% water with maximum energy efficiency resulting in very low lifecycle costs. The new PDOevoPLUS system suit every application.

The PDOevoPLUS pipework is made exclusively of stainless steel and comes equipped with all necessary and desired monitoring and concentration measurement instruments. All fittings and instruments are arranged for ease of operation, maintenance and control. Inlets and outlets are designed to suit local conditions as well. 

The power supplies are equipped with 12 or 18 pulse rectifiers and IGBT converter technology to meet harmonic requirements. Main voltages from 380 to 690 Volts are readily usable.

Maximize the ozone with Effizon evo 2G electrodes

Effizon evo 2G electrode technology is the core element of every Wedeco PDOevoPLUS ozone system. Featuring a glass core, which consists only of high strength borosilicate glass and stainless steel mesh, the Effizon evo 2G helps Wedeco ozone systems achieve a level of reliability and energy efficiency unattainable with most other electrode technologies.

The electrodes are manufactured completely from inert materials, without the need for fuses or coatings, making them highly resistant to corrosion. This means that the Wedeco ozone generators are practically maintenance free with no need for regular cleaning or replacement of the electrodes.

Effizon evo 2G electrodes offer multiple independently operated safety layers. This inherent safety feature is called Intelligent Electrode Protection. Intelligent Electrode Protection complements the existing active protection interlocks inside the power supply unit (PSU) with an additional passive electrode protection that does not rely on power. In contrast to traditional safety concepts, such as fuses, the innovative Intelligent Electrode Protection is not prone to any false detection in the event of electrode defects.

The unique dual gap of the Effizon evo 2G electrode guides the oxygen gas flows across this electrical field on both the inside and outside of the glass tube dielectric. Medium voltage with variable frequency control is connected and evenly distributed to all electrodes, connected at the stainless steel mesh, which is supported with a glass rod. The glass dielectric tube provides resistance needed for creation of an electrical field in each stainless steel tube. The result is efficient ozone production on both sides of the dielectric, lowering the applied specific energy and increasing ozone production.

Технические характеристики

Технические характеристики

General Information
PDO 900
Ozone production capacity [g O3/h]
Cooling water inlet temp
5-35°C; 41- 95°F
Ozone production, nominal [g O3/h] (ppd)
1900 kg / 2000kg ; 4,189 pounds / 4,409 pounds
Ozone concentration range
2 - 6wt% (AIR); 6-15wt% (Oxygen)
Dew point (feed gas)
< -70 °C; < -94 °F
Feedgas (total hydrocarbons, THC)
< 60 ppmV
System Components
PDO 900
System control
Siemens; Allen Bradley
Technical Features
PDO 900
System regulation range
1 - 100 %
< 90 %
Ambient air temperature (min, max)
5-35°C 41-95°F
Ozone installation location
Noise level (equivalent sound level - leq)
Standards and Remote Control and Alarms
PDO 900
SIMATIC HMI Comfort Panels
Bus system
Profibus, Modbus, Ethernet
Common outputs and alarms
System Status, Lamp Status, Alarm Messages, Process Values
Electrical Standards
PDO 900
Ozone electrical requirements
3x400 / N / PE ±10% 50/60 Hz (TN-C or TN-S-net)
Ozone electrical standards
Protection class (cabinet / cell)
Power factor
Materials Of Construction
PDO 900
powder coated steel
RAL 7035
In contact with ozone
SS316 SS304
In contact with water
PDO 900
PLC options
Siemens, Allen Bradley, Schneider
Scada communication
Ozone in water, Redox
Reaction tank
Air preparation
Cooling systems
Open loop cooling, Closed loop cooling, Chiller
Ozone destructor
catalytic, thermal
Oxygen generator
Ozone contacting
Diffusors, Pump-Injection (venturi)
Gas distribution system
automatic, manual
Отрасли и области применения

Отрасли и области применения

Рекомендованные отрасли и области применения

Атомная энергия
Энергетика Атомная энергия
Отбелка целлюлозы
Общая промышленность Отбелка целлюлозы
Primary Treatment
Wastewater Primary Treatment
Повторное использование > третичная обработка Фильтрация
Процесс усовершенствованного окисления (AOP)
Повторное использование > третичная обработка Процесс усовершенствованного окисления (AOP)
Питьевая вода Дезинфекция
Управление пластовыми и отработанными водами
Нефть и газ – гидроразрыв пласта Управление пластовыми и отработанными водами
Добыча нефти усовершенствованными методами
Нефть и газ – традиционная добыча Добыча нефти усовершенствованными методами
Сточные воды
Малоэтажное и коттеджное строительство Сточные воды
Документация и инструменты

Документация и инструменты