VPE 511: Environment and Environmental Hygiene (2+1)

SEWAGE DISPOSAL

• Sewage consists of a mixture of solid and liquid human excreta, waste water from dwelling houses and usually road water and rain washings, it may also contain a greater or lesser amount of trade wastes. The disposal of sewage in a manner which will be free from nuisance and danger to public health through contamination of water and food supplies is a matter of great importance in connection with food control and inspection.
  • Sewage and animal health
  • Conservancy Methods
  • Composition and Strength of sewage
  • Disposal of water carried sewage by dilution
  • Purification treatment of water carried sewage
  • Classification of sweage treatment
  • Preliminary treatment
  • Artificial biological treatment
  • Bioaeration or Activated sludge process
  • Chemical Sterilization of Sewage Effluent
  • Small scale sewage purification and disposal
  • Disposal of Farm Wastes
  • Removal of Manure from Buildings