How is our_public_water_treated

How Is Our Public Water Treated?

How Is Our Public Water Treated?

By: Carolina Focella

and Christina Martin

By: Carolina Focella

and Christina Martin

Common Uses of Public Water


Recreational– Pools, Fountains, and Household Needs.



Medicinal– Washing surgical tools, hydrotherapy,




Industrial– Production process, creating their products or cooling

equipment

http://www.fs.fed.us/NEST/water/use/images/irrigationwithdrawals.jpg

http://www.cdc.gov/healthywater/images/drinking/drinking_public_systems.gif







Public Water Systems









Why is it Important to Clean Our Water?


• Arsenic– Could cause skin damage, circulatory

problems and increased risk of cancer.



problems and increased risk of cancer.• Lead

– Can cause various health problems




– Can cause various health problems• Nitrate

– In drinking water at levels above 10ppm is a health risk for infants younger than 6 months of age. High levels of nitrate in drinking water can cause blue baby syndrome.

General Wastewater Treatment

General Wastewater Treatment• All water treatments involve removal of solids, bacteria,

algae, plants, inorganic compounds, and organic compounds.– Removal of solids is usually done by filtration and

sediment. – Converting used water into environmentally

acceptable water is wastewater treatment




acceptable water is wastewater treatment • Charcoal is used to remove the color of raw sugar from

various sources.





various sources.• Water can be treated with and Al2(SO4)3 12H2O and

Ca(OH)2

– Electrolytes causes pH to change

• All water treatments involve removal of solids, bacteria, algae, plants, inorganic compounds, and organic compounds.– Removal of solids is usually done by filtration and



various sources.• Water can be treated with and Al2(SO4)3 12H2O and

Ca(OH)2

– Electrolytes causes pH to change

http://www.epa.gov/nrmrl/pubs/625r00008/html/html/4-21.gif





Removal Process and Disposal







• Screened







• Screened• Disposed to Landfill







• Screened• Disposed to Landfill• Settlement tank







• Screened• Disposed to Landfill• Settlement tank• Sludge







• Screened• Disposed to Landfill• Settlement tank• Sludge• Aerated






Bibliography

• http://cdc.gov/Features/DrinkingWater/• http://www.tfhrc.gov/hnr20/bridge/model/

health/heaset.htm• http://environment.about.com/od/

earthtalkcolumns/a/chlorine.htm

http://cdc.gov/Features/DrinkingWater/

http://cdc.gov/Features/DrinkingWater/

http://www.tfhrc.gov/hnr20/bridge/model/health/heaset.htm




http://environment.about.com/od/earthtalkcolumns/a/chlorine.htm




How is our_public_water_treated

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