Water Treatment - Water WaterTreatment MIE380:...

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ater eatment Water Treatment MIE380: ological Systems Ecological Systems Spring 2010 March 11, 2010
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eatment Pathways Treatment Pathways 2
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hy Should We Treat Water? Why Should We Treat Water? ample: Nitrogen Example: Nitrogen Ecosystems Precipitation Air Quality Water Quality arbon Cycle Carbon Cycle 3
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nhealthy Facts Unhealthy Facts ore than billion people o not have access More than 1 billion people do not have access to safe drinking water ore than .2 million people ie each year More than 2.2 million people die each year from diseases associated with poor and unsanitary water conditions (diarrhea, cholera and typhoid) Lack of clean, safe drinking water is estimated to kill almost 4500 children per day (diarrhea is one of the main child killers 4
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xygen Sag Curve (cont’d) Oxygen Sag Curve (cont d) ti dC = reactions H d θ Possible Reactions for Oxygen in a River: 1. Oxygen consumption (BOD) r 2 O2 2. Gas transfer (reaeration) r R 3. Oxygen generation r P – r R AP AR 5
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This note was uploaded on 07/24/2010 for the course MIE MIE380 taught by Professor Enright during the Spring '10 term at University of Toronto- Toronto.

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Water Treatment - Water WaterTreatment MIE380:...

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