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Ähnlich wie Treatment of sewages (20)
Treatment of sewages
- 2. • Sewage is water-carried
waste
• Solution or suspension
• Intended to be removed
from a community.
- 5. Wastewater contains
pathogens or disease
organisms.
Have to get rid waste
materials.
Protects public health
- 7. Did you know that Toilets use
over 40% more water than
needed.
- 8. Special thanks to Google Images
http://water.worldbank.org/shw-resource-
guide/infrastructure/menu-technical-
options/wastewater-treatment
http://www.ehow.com/info_8372308_effects-
breathing-raw-sewage.html
http://en.wikipedia.org/wiki/Sewage_treatment