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Case Study: Power Plant - American Electric Power Service Corp., Clinch River Plant, Cleveland, VA
Combined wastewater streams from ash tank overflow, boiler room sumps, cooling tower blowdown, seal and cooling water, and various plant drains exceeded current discharge limits for copper. The owner anticipated new NPDES permit limits to be further reduced to 9.3 ppb Copper. TSS reduction was also required.
Treatability studies were conducted to determine that an iron coprecipitation process could achieve the copper limits. To meet more stringent effluent limits, when enacted, supplemental sulfide feed will be used if necessary. Site space limitations were satisfied by using the space-efficient Accelator Solids Contact unit and Greenleaf Filter Control.
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