Waste Management and Water Pollution

Water treatment (potable waters):

Water borne diseases:

Presumptive coliform test and indicators of water quality.

A coliform produces acid and gas from lactose in bile salts at 37°C in 48 hours.

Water purification: sedimentation, flocculation, sand filtration, chlorination, service reservoir:

Drinking water standards.

CEC standards for bathing waters.

Problems with viruses, protozoa.

Sewage treatment (waste water treatment)

• 1912 Report.
• Development of treatment systems: the Biochemical Oxygen Demand (BOD5).
• Integrated sewage treatment systems: Primary and secondary treatment:
  
  
  
• Trickle filters (bacteria beds) and microbial populations.
• Activated sludge and microbial populations.
• Anaerobic digestion and microbial populations.

Microbiology
by L.M.Prescott et al.
A balanced, comprehensive introduction to all major areas of microbiology. The sixth edition has been updated extensively to reflect the latest discoveries in the field.
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