Equivalent Population

Design and Construction

Pazardjick Waste Water Treatment Plant Design and Construction

General Information

  • Entity: Ministry of Water and the Environment of the Republic of Bulgaria
  • Location: Pazadjick, Bulgaria
  • Population: 125,000 eq/inhab
  • Flow: 52,000 m3/day

Key points

Urban water Line

  • Influent pipe
  • Two breakdown channels
  • Two sand/silt trapping-Grease trapping channels
  • Three primary settlers
  • Flow metering and regulation to biological treatment
  • Biological treatment in two lines
  • Sludge recirculation
  • Three secondary settlers
  • Effluent chlorination

Industrial Water Line

  • Influent pipe including crossing the river Maritza
  • Breakdown pumping station
  • Pipe connecting to the WWTP

Sludge Line

  • Thickening
  • Two aerobic digesters
  • Centrifuge dehydration

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