A Sewage Treatment Plant in Beijing

The total construction scale of the plant is 80,000 tons / day

Using three-level AO process,

74,000 tons / day of effluent is recycled for environmental water use and landscape greening.

Problem

• Sludge expansion occurs in winter, and sometimes there is slurry run-out problem, SUF clarification system is under high pressure

• The secondary sedimentation tank keep facing slurry run-out problem