Transcription of OPERATION COSTS OF WASTEWATER TREATMENT PLANTS
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OPERATION COSTS OF WASTEWATER TREATMENT PLANTS
WEB BASED TRAINING 2005 OPERATION COSTS OF WASTEWATERTREATMENT PLANTSA uthor:Arnd WendlandAhrensburg, Germany(Employee of Hamburg Public Sewage Company, HSE)KeywordsOperation COSTS , Personnel, Maintenance, Maintenance Strategy, Energy, EnergyAnalysis, Chemicals & Materials, DisposalWEB BASED TRAINING 200510%3%4%6%14%20%26%17%MaintenancePoll ution ChargeDisposalEnergy & MaterialPersonnelIn t e r e s tDepreciationMiscellaneous- OPERATION COSTS are the expenses related to the OPERATION , maintenance and monitoring of the plant- OPERATION COSTS can amount up to 50 % of the total annual The evaluation of OPERATION COSTS during the evaluation of of process alternatives is of of totalannual COSTS forwastewater systemsin Germany[ATV, 2003] OPERATION COSTS in Relation to Total Annual CostsWEB BASED TRAINING 200500,30,60,9 Primary TREATMENT onlyActivated sludgeTrickling filtersRotating biological contactorsChemical treatmentStabilisation pondsAquatic plant systemsWetland systemsLand infiltration systemsOverland flow systemsO&M COSTS estimationEnergyO&M minus energyLow costMedium costHigh cost- Size and load of the plant- Topography and geographicalsituation of the site (affectingpumping energy COSTS )- Characteristics of wastewaterand the discharge norm- Technologies and the selectedtreatment process- Type of sludge TREATMENT andway of disposal- Energy supply and energyrecycling- Degree of automati
Sludge Dewatering Digestion Energy The costs for energy usually amount up to 10 – 30 % of the total operation costs. ... source abatement of possibly hazardous substances is successful. Landspreading of semi-solid and landspreading of solid sludge entail on …
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