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Case details

Wastewater treatment and recycling project

Case details
parameter
Project name:

Wastewater recycling project of a sewage treatment plant in Inner Mongolia

Project scale:

10000t/day

Contracting:

EPC general contractor

System recovery rate:

>90%

Design Parameters① Raw water quality: After the treatment of domestic sewage, the effluent meets the level A standard of pollutant emission standards for urban sewage treatment plants.
ProjectParameter valueUnit
CODCr≤30mg/L
Conductivity2500-300μS/cm
Cl-430mg/L
Hardness470mg/L
Alkalinity106mg/L

② Quality of produced water:
ProjectParameter valueUnit
CODCr≤20mg/L
Conductivity<200μS/cm
Chloride ion50mg/L

Hardness

(Calculated as CaCO3)

<50mg/L
Process flow:

Raw water → multi-media filter → activated carbon filter → self-cleaning filter → ultrafiltration device → security filter → raw water reverse osmosis → produced water reuse

Raw water reverse osmosis concentrated water → high-efficiency sedimentation tank → pH regulation tank → coarse and fine filters → security filter → concentrated water reverse osmosis → produced water back to ultrafiltration water tank

Case real shot display

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