Water

 

Tianjin Municipal & Industrial Park WWTP

Tianjin City, China

Upgrading an existing sewage/industrial WWTP

 

Project Introduction: Tianjin,  Municipal & Industrial Park, WWTP

Short description:

The Tianjin Municipal and Industrial Park has an existing plant treating sewage and industrial waste water. The Plant wasn‘t able to reach the requested effluent standards.  

 

Existing Treatment:

bar screen/influent screening + inlet pump station + grit removal + A/O + Biofilm Aerated Film (BAF) + second sedimentation + UV disinfection

 

Treatment after upgrading: 

bar screen/influent screening + inlet pump station + grit removal + All-in-on-basin ROCtecs/BDP bio-process with Bio-P removal + UV disinfection.

Treatment capacity

15,000 m³/d

Water quality 

 

CODCr

BOD5

SS

NH₃-N

TN

TP

pH

Influent (mg/l)

250 ~ 300

100 ~ 200

100 ~ 200

80 ~ 150

NA

5 ~ 9

NA

Effluent before upgrading (mg/l)

100

20

30

45

NA

2.5

NA

Effluent after upgrading (mg/l)

37

< 5

< 10

< 1

NA

< 1

NA


 

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