microbes in drinking water and water purification
TRANSCRIPT
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Microbes In Drinking Water And
Water Purification
Presented By Hafsa Abdul Samad
AndIrshad Ali Bhatti
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A colourless, transparent, odourless, liquid which forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.
http://www.oxforddictionaries.com/definition/english/water
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The 5 functions of water in our body
•Cell life
•Chemical and metabolic reactions
•Transport of nutrients
•Body temperature regulation
•Elimination of waste
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1) Cryptosporidium2) Anabaena sp3) Rotifers4) Copepods5) E. Coli6) Rhizopus stolonifer7) Naegleria fowleri8) Legionella Pneumophila9) Chaetomium sp10) Salmonella Enterica
10 Microorganisms You Can Find in Drinking Water
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Cryptosporidium
Species:• Cryptosporidium parvum, C.
andersoni, C. baileyi Significance:• Cryptosporidium is a genus
of parasites.• Cryptosporidium parvum,
may cause gastrointestinal illness.
• there is no known cure for this illness.
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Anabaena sp
•a cyanobacteria that lives in freshwater reservoirs
•Anabaena bacteria have been found producing saxitoxins
•production of neurotoxins
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Rotifers
• microscopic animals with about 1000 cells.
• about 2000 different species classified into three classes.
• Most rotifers are around 0.1–0.5 mm longand are common in freshwater
• act as hosts to protozoans (like cryptosporidium) and bacteria.
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Escherichia coli (E. Coli)
•Escherichia coli, a bacteria that lives in, on, and around fecal matter.
•E. coli comes from human and animal wastes.
•E. coli may be washed into creeks, rivers, streams, lakes, or ground water.
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Purification Of Water
•How to purify water ??
1. Boiling
2. Sunlight Exposure or Bottling
3. Chlorination
4. Coagulation and Flocculation
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Boiling
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Boiling
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Sunlight Exposure
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Sunlight Exposure
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Chlorination
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Chlorination
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Coagulation and Flocculation
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Coagulation and Flocculation
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Water Is Life
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