METHOD FOR DRYING WET PARTICULATE MATTER, WHEREIN THE DRIED PARTICULATE MATTER IS A WHITE MINERAL HAVING A BRIGHTNESS RY OF AT LEAST 65, THROUGH DRYING IN A DIRECT SUPERHEATED STEAM DRYER

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.