Plasma equipment for treating powder

A method of processing a powder using a powder surface processing apparatus of a rotary cylindrical surface discharge plasma module:

• the apparatus comprising:
• a plate-like electrode layer serving as an external surface of the cylindrical surface discharge plasma module;
• an insulating layer disposed on an internal surface of the plate-like electrode layer;
• and
• a plurality of plasma generating electrodes in the form of a bar which are disposed on the insulating layer at intervals,
• wherein the cylindrical surface discharge plasma module is configured to rotate and the plate-like electrode layer, insulating layer, and plurality of plasma generating electrodes are configured to rotate with the cylindrical surface discharge plasma module, the cylindrical surface discharge plasma module is configured to apply an alternating voltage to the plurality of plasma generating electrodes and the plate-like electrode layer to generate plasma around the plurality of plasma generating electrodes, and the cylindrical surface discharge plasma module is configured to position a powder on the plasma generating electrodes and treat the surface of the powder by the generated plasma,
• wherein the apparatus comprises a driving unit configured to rotate the cylindrical surface discharge plasma module while the cylindrical surface discharge plasma module is in a horizontal state;
• and
• the method comprising:
• generating a plasma with the plasma generating electrodes of the powder surface processing apparatus;
• rotating the cylindrical surface discharge plasma module, plate-like electrode layer, insulating layer, and plurality of plasma generating electrodes;
• and
• contacting a powder with the plasma generated from the rotating plasma generating electrodes.