Electrostatic filters

Electrostatic filters are industrial devices that use high voltage to purify air from smoke in restaurants or production facilities. A high-voltage power source generates 10-50 kV to ionize airborne particles.

These filters operate without replaceable components - captured particles accumulate on collector plates. Therefore, no consumables, cartridges, or replacement filter elements are needed.

We offer electrostatic filters for complete air purification from smoke - as a second filtration stage after a water-based hydrophobic filter (hydrofilter). The hydrofilter removes combustion products that could damage the electrostatic unit and also reduces air temperature to a safe level.

For restaurants with mangals, wood-fired ovens, or facilities located in residential areas, the complete filtration system includes:

• a hydrofilter

• an electrostatic filter

• an activated carbon or ozone filter
  This setup fully solves the clean air problem.

Applications of Electrostatic Filters

Industrial electrostatic filters are used to trap both dry and wet airborne pollutants. These include microscopic dust, smoke, oil mist, kitchen vapors, and other contaminating substances.

→Fun fact: Electrostatic filters can capture particles as small as 0.01 microns - dozens of times smaller than pollen or common allergenic dust.

They are used in:

• ventilation systems of food service establishments such as restaurants, cafés, food courts, and catering units;

• industrial equipment at production sites with air-polluting processes;

• HVAC and AHU systems, particularly in the food, pharmaceutical, and chemical industries.

How Electrostatic Filters Work

Smoke-laden air enters the unit. Tiny particles larger than 0.01 microns pass through a high-voltage ionization field, acquiring a positive charge. These charged particles then move into a chamber with a series of parallel plates, alternately charged and grounded.

Particles with the same positive charge are repelled by similarly charged plates and are attracted to and trapped on the grounded ones. The particles remain on the plates until removed during cleaning. Electrostatic filters effectively capture both dry and wet particles, including solid and liquid aerosols such as smoke, dust, oil, fog, and emulsions.

Maintenance

These filters are very easy to maintain simply wash the internal components periodically with water and appropriate cleaning agents. It is essential to use cleaners that are safe for aluminum since the units contain aluminum components.

With proper care, the filters have a service life of 8 to 15 years.

Cleaning frequency depends on workload typically once every 1 to 4 weeks.