July 1, 2021

Photocatalytic air purification

People spend an average of about 90% of time indoors, and depending on age and activity level, a person inhales 10-20 m per day3 air, therefore indoor air quality is of utmost importance.

Indoor air often contains many harmful substances such as solvents (paints, varnishes, polymer coatings), formaldehyde, plasticizers, allergens, microorganisms (bacteria, mold spores and viruses) and fine dust, depending on the location and purpose of the room, kitchen, production plant, service activity, etc.

Photocatalytic air purification is a safe and economical solution for all areas where air purification is required.

Photocatalytic air purifiers can be used to purify air highly saturatd with fats, long-odor hot air after fryers, frying lines and smoking systems, waste management plants, wastewater treatment plants, fermentation basins and in general in industrial drives.

When purifying air using UV / ozone technology, the air passes through special tubes that emit UV light (UV lamps). Under their influence, the chains of organic molecules are broken and oxygen (O2) converts to reactive oxygen3-) that reacts with particles present in the air that are responsible for the unpleasant odor. Pollution is oxidized by UV light and removed from the air. The reaction is further enhanced by catalysts that allow further degradation of the contaminants.

The photocatalytic air purifier successfully removes organic particles and particles responsible for unpleasant odors. The efficiency of purification, by the mentioned device, is not affected by differences in air load and high levels of humidity in the air flow. No time is required to run the device, air purification is instantaneous.

The design of an individual device is carried out on the basis of parameters such as:

  • air flow,
  • air load,
  • contaminants present,
  • purified air discharge rate,
  • temperature,
  • specific requirements.

Schematic representation of a device for photocatalytic air purification

Example of a photocatalytic air purification device

Example of a photocatalytic air purification device

Advantages:

  • successful removal of unpleasant odors to the level prescribed by law,
  • low operating and maintenance costs,
  • need little space to install the device,
  • possible installation on the roof due to the low weight of the device,
  • easy installation and upgrade in case of need,
  • environmentally friendly technology without the use of chemicals,
  • no wastewater contamination.

The device comes with an automatic CIP system for cleaning UV-C- / Ozone lamps. The device has inspection openings with safety switches that automatically turn off the device when the inspection openings are open. The device comes with a control cabinet that is equipped with alarms in case of failure.

REFERENCE PLANTS:

Nr. Factory Location Biofilter volume
1. Dunfermline, recycling center Lochhead, Scotland 1900 m3
2. BDR Waste Doncaster, Hotel England 1000 m3
3. Milton Keynes Waste Recovery Park England 1500 m3
4. Dublin Waste to Energy Ireland 1000 m3
5. UBB Essex England 500 m3
6. Biogas plant, Bogense Denmark 750 m3
7. UPOV Oslo Norway 500 m3
Air purification
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