Municipal Wastewater Treatment Plant

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Project Description

Siyang County is under the administration of Suqian, Jiangsu province, China. It borders the prefecture-level city of Huai’an to the southeast. Area is about 547 mi², with population of 831,112 (2010).

The effluent of wastewater treatment plant meets China National Class 1-A Discharge Requirement, with COD < 50 mg/L and NH3-N < 1 mg/L at all time.

Project Details

Client Siyang County, Jiangsu, China
Completion Date 2007
Treatment Capacity 50,000 m³/d (13,200,000 GPD)
Process Flow Two Phase Grids + Grit Chamber + BDP Basin +UV Disinfection
Key Words Municipal Wastewater, Sewage

Parameters and Facts

  • CODCr 60~340 mg / L
  • BOD5 30~120 mg / L
  • TSS about 180 mg / L
  • TN 30~50 mg / L
  • NH3-N 25~35 mg / L
  • TP 3~5 mg / L
  • CODCr about 45 mg / L
  • BOD5 6~8 mg / L
  • TSS about 10 mg / L
  • TN 10~15 mg / L
  • NH3-N about 1 mg / L
  • TP about 0.5 mg / L
  • Blueprint Area (m2/m3 ) 0.4~0.5
  • Operating Cost 0.12~0.17 CHY/Ton
  • Dissolved Oxygen 0.3 mg/L
  • Gas-Water Ratio 3~4
  • Sludge Concentration 6 – 8 g/L
  • Effective Depth of Water 5.5~6 m
  • Temperature 7 °C

 

 

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