Costesti WWTP, Arges County, Romania

Project Info

  • Completion Date

    Completed: November 2020

  • Category

    Wastewater Treatment

Project description


The project of the Wastewater Treatment Plant for the city of Costesti (Arges County, Romania) included the feasibility study for existing wastewater treatment line expansion / refurbishment and sludge treatment development up to 22% sludge dry solids content.

The plant was design for a dry weather maximum daily flowrate of 2.443,14 m3/day, equivalent to 12.757 PE (population equivalent).

The plant’s treatment scheme comprised:

  • wastewater treatment: preliminary treatment (screening, grit and grease removal), primary treatment (primary clarification), advanced biological treatment (nitrogen and phosphorus removal), chemical phosphorous removal, disinfection
  • sludge treatment: excess sludge mechanical thickening, primary sludge aerobic digestion, dewatering and quicklime stabilization

The following disciplines were covered within the project:

  • Process
  • Hydraulics
  • Mechanical
  • Structural
  • Electrical
  • Automation and SCADA
  • Roads, platforms and alleys
  • Landscaping
  • HVAC