Prominent Chlorine Dioxide System Bello Zon® CDLb
Prominent Chlorine Dioxide System Bello Zon® CDLb
Prominent Chlorine Dioxide System Bello Zon® CDLb

Prominent Chlorine Dioxide System Bello Zon® CDLb

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Chlorine Dioxide System Bello Zon® CDLb

0 – 120 g/h capacity with storage of up to 60 g of chlorine dioxide for peak metering. Max. flow rate at 0.2 ppm ClO2 metering capacity of 600 m3/h

Chlorine dioxide system for production of a chlorine-free chlorine dioxide solution, especially suitable for multiple points of injection. Bello Zon® CDLb produces ClO2 discontinuously using the acid/chlorite process with diluted chemicals.

Compact dimensions and maximum cost-effectiveness - chlorine dioxide system for one or more points of injection.

In batch production a chlorine-free chlorine dioxide solution is generated from a sodium chlorite solution and hydrochloric acid. This is an extremely safe, managed process.

The concentration of the chlorine dioxide solution remains constant even during storage. This means that the chlorine dioxide can be buffered in an integrated or external storage module at a concentration of 1,000 or 2,000 mg/l.

Because the chlorine dioxide is buffered in this module, the system can be designed in line with average rather than peak consumption. This drastically reduces investment costs in comparison with conventional systems.

The ProMinent® product range includes a wide range of metering pumps and control versions from which to choose when operating several injection points using chlorine dioxide from a storage module.

No chlorine dioxide can escape from the system due to the closed gas transport system, thereby guaranteeing economical, environmentally friendly operation with minimal use of chemicals. In addition, the chlorine dioxidesolution generated with maximum output offers excellent long-term stability with minimal consumption of starting chemicals.

Integration of the system into your process is simple and reliable with the wide range of accessory modules.Please ask our sales representatives for information about our modular systems specifically designed for CDLb.

The chlorine dioxide system Bello Zon® CDLb meets the high standards stipulated in data sheets W 224 and W 624 published by the German Association for Gas and Water (DVGW).

Your benefits

  • Reduced costs thanks to minimal use of chemicals
  • Cost-effective way to provide several points of injection
  • Quick ramp-up time after downtime thanks to long-term stability of chlorine dioxide solution
  • Maximum output due to closed gas transport system
  • Outstanding operating safety and reliability, thanks to intrinsically safe process control
  • Ultra-simple process integration

Field of application

  • Disinfection in the food and beverage industry. Especially for bottle rinsers, CIP (cleaning in place), bottle washing machines and fruit / vegetable washing
  • Legionella control and prevention, e.g. in hotels or hospitals
  • Market gardening: Germ-free irrigation water and sprinkler irrigation water
  • Treatment of cooling water and potable water
  • Filter disinfection, e.g. in swimming pools

Technical Details

  • Power supply: 100-230 V, 50/60 Hz
  • Inputs: 2 freely configurable digital inputs for the functions Pause, High metering, Intermittent metering or Manual metering as well as an external collective malfunction signal, 4 digital inputs for monitoring the chemical supply (warning / empty message), 1 digital input for contact water meter 0.25 - 20 Hz, 1 frequency input for water meter 10 - 10,000 Hz
  • Outputs: 1 operating signal relay, 1 alarm signal relay, 1 warning signal relay, 1 voltage output +5 V as supply voltage for water meter with Hall sensor
  • Operating fluids: Sodium chlorite 7.5%, purity in accordance with EN 938, hydrochloric acid 9%, purity in accordance with EN 939, potable water
  • Protection class: IP 65
Type Generation capacity Operating temp. Solution concentration Capacity Dimensions (approx.) H x W x D (mm) Weight
g/h °C mg/l l/h mm kg
CDLb 06 6* 10–40 1,000 8 1,236 x 878 x 306 41
CDLb 12 12* 10–40 2,000 8 1,236 x 878 x 306 42
CDLb 22 22* 10–40 2,000 13 1,236 x 878 x 306 46
CDLb 55 55* 1) 10–40 2,000 30 1,550 x 800 x 345 73
CDLb 120 120** 1) 10–40 2,000 ** 1,300 x 880 x 425 55
* Option: Integrated receiver tank and integrated metering pump with suitable capacity up to 7 bar back pressure.
** With external receiver module and separate metering pump
1) Without cover


Type CDLb   6 g/h 12 g/h 22 g/h 55 g/h 120 g/h
Water inlet ProMinent/Neutral 12-9 12-9 12-9 12-9 Di20/DN15
  Swiss Di20/DN15 Di20/DN15 Di20/DN15 Di20/DN15 Di20/DN15
Connector dimensions of metering pump for acid and chlorite   6x4 6x4 6x4 6x4 6x4
ClO2 output with internal storage/pump/back pressure valve 6-4 6-4 12-9 12-9  
  with internal storage tank/pump 6-4 6-4 12-9 12-9  
  with internal storage tank, without pump 6-4 6-4 8-5 12-9  
  with external storage tank, without pump (reactor outlet) 12-9 12-9 12-9 12-9 Di25/DN20
  external storage tank (suction lance connector) Di25/DN20 Di25/DN20 Di25/DN20 Di25/DN20 Di25/DN20