Egg-shaped Digesters - DC Water

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Fundamentals of wastewater treatmentTrash anddebris areseparatedthroughbarscreensSuspendedsolids andorganicscontinuethrough thesettlingandfilteringprocessBiologicalreactorsconvertorganics tosolids, thensettling tanksremove solidsCleanwaterreturnsto riverPotomacRiverTrash fromscreening tolandfillSolidsSolidstreatmentanddigestion12
Digestion, defined? Digestion is a solidstreatment process where– Microbes that use sludge asfood are mixed in heatedtanks? Process destroys pathogens,reduces mass of solids, andproduces useful digester gas? Resulting in a less odorousmaterial (biosolids), suitablefor agricultural uses13
Page 5 and 6: Objectives? Discuss odor controlimp
Page 7 and 8: Reducing odors? Grit andscreeningfa
Page 9 and 10: Reducing odors? Biological treatmen
Page 11: Egg-shaped Digesters? Outdated unde
Page 18 and 19: Egg-shaped Digesters reduceodor pot
Page 20 and 21: Egg-shaped Digesters save millionsp
Page 22 and 23: Back River Wastewater Treatment Pla
Page 24 and 25: Oceanside, California24
Page 26 and 27: Hillsboro, Oregon(Rock Creek, Portl
Page 28 and 29: Preliminary site planAccessed by2 s
Page 30 and 31: Schedule? Planning Schedule- Public
Page 32: Questions and Answers32

Egg-shaped Digesters - DC Water

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