Fremgangsmåde til at tørre vådt partikelmateriale, hvor det tørrede partikelmateriale er et hvidt mineral som har lysstyrke Ry på mindst 65%, ved hjælp af tørring i en direkte overhedet damptørrer

摘要

The present invention relates to a method for drying wet particulate matter, wherein at least one feed stream (1) of wet particulate matter is contacted with superheated steam (6) within at least one drying chamber (40) with a mixing system, and the dried particulate matter is discharged as at least one product stream (10) to obtain the dried particulate matter.