Wastewater Treatment 1 Water Treatment: Why? zHealthful to drink zClean enough to return to the environment......usually for others downstream to use again!

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Presentation transcript:

Wastewater Treatment 1 Water Treatment: Why? zHealthful to drink zClean enough to return to the environment......usually for others downstream to use again!

Wastewater Treatment 2 DRINKING Water Treatment Initial Settling Alum to Coagulate, then settles again Pretreated to remove organics & microbes (Ozonate) Filtered (sand) Distribution System 3-7 Decades old

Wastewater Treatment 3 Why Treat Wastewater? Eutrophication

Downstream

Wastewater Treatment 5 Backyard Treatment Plant Septic Tank

Three Types of WWTmt

Communator

Wastewater Treatment 20 Activated Sludge (aerobic)

1° Clarifyer

Wastewater Treatment 27 Anaerobic digestion!

Wastewater Treatment 33 Its All Downhill

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