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HomeMy WebLinkAbout96.Item 6A PPP 09-12-18 Admin Comm - Ops PresentationScott Ahn Engineer, O&M www.ocsd.com Orange County Sanitation District Wastewater Treatment Groundwater Replenishment System (GWRS) or Ocean Influents Residential, Industrial and Commercial Preliminary Treatment Primary Treatment Secondary Treatment Resource Recovery of Solids water Primary Sludge Secondary Sludge water water Compost & Land Application water Dewatered Biosolids Biosolids Water Reclamation Process Plant No. 1 Metering and Diversion Structure Barscreen Grit Chamber Preliminary Treatment Rectangular ClarifierPlant No. 1 Circular ClarifierPlant No. 2 Primary Treatment Trickling Filter Plant No. 1 Secondary Treatment Activated Sludge Process Raw Sewage Primary Treated Effluent SecondaryTreated Effluent Effectiveness of Water Treatment Anaerobic Digester Solids Recovery Process Plant No. 2 Centrifuge System (future in 2019) Belt Filter Press System (Current) Plant No. 1 Plant No. 2 Dewatering Operation 100% of the solids are recycled for beneficial use Biosolids Allocations Plant No. 2 Central Generation Engines Central Generation Engines 20% 16% 57% 4%3% $59.5 MILLION Preliminary/Primary Secondary Solids Production & Hauling Odor Control Outfall FY 2017-18 Operation Budget