Atmospheric Plasma Source

The new generation of microwave powerheads, generators and tuning elements enable compact plasma sources at atmospheric pressure for surface and volume treatment. The APS is such an atmospheric plasma source based on a special designed microwave cavity. Microwaves with a frequency of 2.45 GHz are fed into the plasma source resulting in a high field concentration in the middle of the cavity.In this region, the plasma is ignited and heated. Several kilowatts can be injected into the plasma and gas temperatures up to 3500 K can be determined with optical emission spectroscopy methods. The APS is well suited for the removal of very dilute concentrations of air pollutants such as volatile organic compounds (VOC) and their fluorinated derivates (FOC), for the synthesis of special gases and for the production of nanoparticles.

A new plasma source with a microwave frequency of 915 MHz is also available. This device is characterized by its high power up to 30 kW. This enables the treatment of high gas flows