Plasma filter facility, electrode facility and method for operating a plasma filter facility

A method for operating a plasma filter device, the plasma filter device including at least one electrode device, wherein the at least one electrode device includes a first composite electrode configured in a planar manner and a second composite electrode configured in a planar manner, wherein the first composite electrode and the second composite electrode are arranged coplanar to one another in a main surface plane of the at least one electrode device, and the first composite electrode and the second composite electrode are spatially separated from one another by a discharge gap, and wherein each of the first composite electrode and the second composite electrode has a respective electrode sheet that, at least on a boundary surface of the respective electrode sheet to the discharge gap, has a respective dielectric coating, wherein the method comprises:

• providing, through a power source of the plasma filter device, an AC voltage to the at least one electrode device such that a plasma is generated by a dielectric barrier discharge in the discharge gap;
• and
• routing, through the plasma filter device, a gas along a main direction of flow, which is aligned in parallel with a normal of the main surface plane of the at least one electrode device, through the discharge gap.