WASTEWATER SLUDGE TREATMENT & DISPOSAL
The stabilization, dewatering and disposal of sludges from water and wastewater treatment
CE 523
by J(Hans) van Leeuwen
SLUDGE TREATMENT AND DISPOSAL
ANAEROBIC SLUDGE DIGESTION
SludgeDigestion:Anaerobic
Sludge dewatering: Centrifugation
Centrifugation
Sludge dewatering: filter press
Filter press
PLATE AND FRAME FILTER PARTS
Sludge drying bed: preparation
Filling the drying bed with sludge
Starting the drying process
Sludge disposal: Land application
SludgeIncineration: Multiple Hearth
Fluidized bed sludge incineration
Radiant heat (electric) incineration
CycloneFurnace
Fluidized bed incineration system
Sludge disposal: transport
INCORPORATING BIOMASS INTO BRICKS
Destination of wastewater solids
Incinera-
Landfilling