Flint Creek Power Plant - Water Flow Diagram Flint Creek Sanitary Sewage Gentry Sewage Treatment Plant Dike Seepage & Pump Back City of Gentry Sewage Treatment Plant Effluent (ARR0020184) Demineralizer Sump Boiler Blowdown Storm Water Runoff Demineralizer Process Wastes Lab Drains South portion of plant Coal pile runoff Non-industrial upgradient runoff - 1,127 acres Bottom Ash Sump Condenser Sump ~0.63 MGD Landfill Landfill Leachate 0.072 MDG max Bioreactor Treatment System Secondary Settling Basin (3.7 acres) 0.036 MGD max Weir and pH Neutralization Basin Landfill Truck Wash Station 15,000 gal capacity CO2 Injection (pH control) Arkansas River Stack Seal Water Overflow Coal Pile Reclaim Hopper & Rail Car Dumper Sumps Outfall 101 47.8 MGD max Coal Handling Equipment Washwater Bottom Ash & Economizer Ash Sluice Water 0.72 MGD max Illinois River Outfall 001 2.0 cfs min Flint Creek Little Flint Creek Water Recovery Pond Washwater & Storm Water from Waste Silos, NID, & ACI Areas SWEPCO Lake (530 acres) Industrial Storm Water Runoff (north side of plant - S001) Note 1* - Total wastewater and stormwater flow from plant processes into the Primary Settling Basin is 128 MDG maximum Transformer Secondary Containment Drains (uncontaminated storm water) Equipment Coolers in Turbine Building Hydrogen Coolers Reclaim Water Storage Basin High Pressure Svc Water NID Service Water Tank NID Oil-Containing Equip. Washwater, Stormwater and Condensate NID Nozzle Cleaning Waste Lake Tenkiller Plant Floor Drains Turbine Building Roof Drains Daily Slab and Equipment Washwater Air Heater Washwater (non-chemical MCW) Heat Exchanger Washwater (non-chemical MCW) Ash Sluice Pump Hydrovactor Water NID Oil/Water Separator Pump Back Condenser Washwater (non-chemical MCW) Pulverizer Lube Oil Coolers ~1.5 MDG Main Lift Sump 36.25 MGD Ash Landfill Leachate Collection Pond Ecology Pit Note 1* Ash Landfill Contact Storm Water Pond Landfill Contact Storm Water Precipitation FD Fan Bearing Oil Coolers Primary Settling Basin (42.8 acres) Landfill Non-Contact Storm Water Demineralizer System Demin Water Tanks Boiler Pin Mixer Make-up at Byproduct Silo (mixed with waste and hauled to landfill) Turbine Oil Coolers Generator & Alterex Coolers Surge Tank Outfall 401 ~406 MGD max Surge Tank Overflow Cooling Water Intake Structure Traveling Screen Washwater Main Condenser Auxiliary Condenser Service Water Boiler Water Lances & Water Cannons Low Pressure Svc Water ClNaO Injection (biocide)
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