Drying an air permeable substrate with warm-/hot air, useful for separating useable solid components of fermentation residues and/or sludge as fertilizer or fuel and for reducing amount of liquid fermentation residue and/or sludge

摘要

Drying an air permeable substrate with warm-/hot air, is claimed. An independent claim is also included for a device for drying an air permeable substrate with warm-/hot air.