Removal method and removal device for removing glass panes of an insulating glazing unit from the spacer frame, method and device for taking an insulating glazing unit apart and processing method and processing device for processing insulating glazing units

A separation method for separating a glass pane of an insulating glazing from a, preferably rigid, spacer frame connected to the glass pane by a primary seal,

• wherein a secondary seal, which is also connected to the glass pane, is arranged outside around the spacer frame,
• whereby the secondary seal and the primary seal are cut through with a knife,
• wherein a rotary knife, preferably a circular knife, rotating about a knife rotation axis is used to separate the secondary seal and the primary seal,
• wherein the rotary knife is lubricated during the separation process with a, preferably liquid, lubricant, preferably with a lubricating emulsion, in particular with a water-based or oil-based lubricating emulsion, or with a lubricating oil or with water.