Drying technologies for sewage sludge
Fluidized bed dryers for drying dewatered sewage sludge operate in a closed inert gas loop. The entire heat required to evapo - rate the water is fed to the dryer via heat exchangers, i.ore dryer machine, Fote.e. without any direct contact between the heat transfer medium and the product. The dewatered sewage sludge is pumped directly to the fluidized bed dryer ...