Wastewater Treatment Project for Shanghai Bailonggang BST 2.3

Shanghai Bailonggang Wastewater Treatment Plant (WWTP) and Sludge Treatment Project (BST 2.3)

 

 

In collaboration with the China Railway No.4 Engineering Group Co., Ltd. (Railway No.4), EASEN supplied technical assistance (TA) for the Shanghai Bailonggang Wastewater Treatment Plant (WWTP) and Sludge Treatment Project (BST 2.3).

 

The BST 2.3 is a key component of the World Bank funded Shanghai Environmental Project APL Urban Wastewater Management Component Phase II. The scope of the project to treat the chemical sludge, primary sludge and excess sludge created during the upgrade and expansion process by combining some different state-of-the-art treatment methodologies together.

 

The designed sludge treatment capacity will be 268t/d.

 

EASEN will assist in building the following:

 

  • Sludge digestion treatment system (including 8 oval-shaped digesters with diameter of 25m and 45.65m in height)
  • Sludge transportation system
  • Methane treatment and utilization system
  • Water treatment system
  • Sludge drying system

 

EASEN will also upgrade the current sludge thickening treatment system.

 

The volume of oval-shaped digesters is 12,300m3 with an internal diameter of 25m at its widest section. The construction is done with reinforced concrete with the deepest foundation ditch of 13.4m. They are the largest oval-shaped digesters in term of size and quantity in Asia and throughout the world. The technologies, techniques complication, and technical difficulties faced made it one of the most difficult components of the overall project.


 
Railway No.4 is the implementation agency of the Project. EASEN signed a contract with the Railway No.4 to closely cooperate with them on this Project. In addition, with previously successful World Bank projects, EASEN can also supply technical support and assistance, review and amend their blueprints for efficiency and instruct for Project implementation and testing.

 

This project started in 2009.