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BOD factor explained »
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Alpha: BOD factor 200 »
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BOD factor 200
Klargester Alpha
Basic Septic Tank
  • A basic septic tank only provides settlement for sewage solids while the liquid overflow requires further biological treatment in a suitably designed, correctly situated drainage field
  • Overflow = BOD factor 200
  • Provides only the first stage preliminary treatment and cannot be directly discharged
  • Septic Tank effluent requires further biological treatment
BOD   BOD
 
BOD
  • Lowest cost
 
BOD
  • Requires regular emptying
  • Contact with groundwater (without adequate further biological treatment) is likely to cause pollution
  • Potentially hazardous to horses, pets and humans
 
BOD   BOD