An innovative sludge management system based on separation of primary and secondary sludge treatment.

摘要: An innovative sludge management system based on separation of treatment and disposal primary secondary is discussed with reference to a sewage plant 500,000 equivalent person capacity. Secondary sludge, if treated separately from can be recovered in agriculture considering its relatively high content nitrogen phosphorus negligible presence pathogens micropollutants. One typical outlet for still incineration which optimised by rendering the process auto thermal significantly reducing size units (dryer, fluidised bed furnace, boiler exhaust gas treatment) comparison those required mixed incineration. Biogas produced anaerobic digestion totally available energy conversion when performed, while other case large proportion may used as fuel incineration, thus net electric 0.85-0.9 0.35-0.4 MW considered.