A Sewage Treatment Plant in Beijing

The total construction scale of the plant is 180,000 tons / day. 

Using three-level AO process.

80,000 tons / day of effluent will be recycled, and the rest will be used as water drainage for river drainage.

Problem

• Sludge expansion occurs in winter,and there is slurry run-out problem. 

• During sludge expansion, the effluent does not meet the standard.