Operating Great Digesters
SWRCB Wastewater: 0.05 CEU
CWEA: .5 Contact Hours
Practice Area: Operations & Maintenance
South Orange County Wastewater Authority’s Regional Treatment Plant, located in Orange County, California developed a unique system to remove sludge from its four 950,000 gallon anaerobic digesters. Using a rotary drum screening process, the plant has reduced its sludge clean-out costs from $120,000 to $10,000 per digester.
Level: Intermediate; working knowledge of subject matter / journeyman level staff