Discuss the characteristics of the waste water generated from a typical dairy industry. Draw the flow sheet for the treatment of effluent for the disposal on land and inland surface water.
1 Answer

Characteristics of waste of Dairy industry:

  • pH: 7.2-8
  • Alkalinity: 600 mg/l
  • Chloride: 105 mg/l
  • Total dissolved solids: 1060 mg/l
  • Suspended solids: 760 mg/l
  • BOD: 800 mg/l
  • COD: 1340 mg/l

Flow sheet for the treatment of dairy waste:

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