AC Duct Mounted Plasma Ionisation

Principle Of Operation

Plasma Ionizationsystem produces a natural bio-climate rich in positive and negative oxygen ions. The negative ions contain an extra electron while the positive ions are missing an electron resulting in an unstable condition. Torestabilize, these bipolar ions seek out atoms and molecules in the air to trade electrons with, effectively neutralizing particulate matter, bacteria and virus cells, odorous gases and aerosols, and VOCs.

An ion is an atom or molecule that carries a positive or negative electric charge as a result of having lost or gained one or more electrons. Ionisation is the process by which this happens. It is useful in air purification because charged air atoms and molecules (ions) act effectively against odours and airborne contaminants.

The method used in commercial air ionisers is to apply a high voltage to one or more needles acting as electrodes. This sends the electrons in the internal circuit towards the point of the needle, pushing them together.

Electrons naturally repel each other, so, as they reach the tip, they jump off and land on the nearest air molecule or airborne particle, giving it a negative charge. As all the particles have the same negative charge, they are repelled from each other and attracted to earth. The air is therefore cleared as the particles reach earthed surfaces such as walls and ceilings. In addition, ions collide with airborne bacteria and viruses, damaging them and rendering them harmless.

Using an alternating voltage, both positive and negative ions are produced. This has a big advantage over single ion polarity systems. As ions dispersing around the room latch on to contaminant particles, those with opposite charges are attracted to each other. This creates larger particle clusters. The air is cleared as these clusters become heavy and fall to the ground, where they can be removed via routine vacuuming or mopping.

The ions also destroy bacteria and viruses by puncturing holes in the cell membranes.

Model CMH
EPIS – 1 3500
EPIS – 2 7000
EPIS – 3 10500
EPIS – 4 14000
EPIS – 5 17500

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