Sewerage Systems Office

The Dihua Sewage Treatment Plant: after going through the Bar Screen and Sedimentation for preliminary and primary treatment, the sewage then passes the  aerated grit chamber and secondary sedimentation, for activated sludge treatment and disinfection before discharging into the Tamsui River. Every day, about 10,000 cubic meters of effluent is further sand filtered for recycled use. Sludge is thickened, anaerobic bacteria is digested and dehydrated to form sludge cakes; after being treated by a dryer system, dry cakes are sent to the EPA’s waste incineration plant for incineration.

The Neihu Sewage Treatment Plant: after going through the Bar Screen and Sedimentation for preliminary and primary treatment, the sewage then passes the aerated grit chamber and secondary sedimentation, for activated sludge treatment and disinfection before being discharging into the Keelung River. Sludge is transferred to processing systems in the Dihua plant and Bali plant across the Keelung River pipeline and Xizhi-Nangang Trunk for processing. 

The Bali Sewage Treatment Plant: after going through the Bar Screen and Sedimentation for preliminary and primary treatment, the sewage is then sterilized before being discharged into the ocean. Sludge is concentrated, digested and dehydrated into sludge cakes, which are contracted by the operations vendor for before being entrusted to a professional supplier for treatment.