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This project is the water reuse zero discharge treatment of 800 thousand tons per year of electrolytic aluminum project in Xinjiang.

The comprehensive wastewater treatment capacity is 1000m3/d, desulfurization workshop wastewater treatment capacity is 360m3/d.

The raw water of the comprehensive wastewater treatment system mainly comes from the biochemical treatment of domestic sewage, boiler concentrated water, pollutants of water are high hardness, high suspended matter.


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Desulfurization workshop wastewater quality

No.

Item

Unit

Index

1

pH

-

5.5

2

TDS

mg/L

≤59070

3

Hardness

mg/L(CaCO3)

25670

4

Alkalinity

mg/L(CaCO3)

95.12

5

Cl-

mg/L

26992

6

SO42-

mg/L

10769


Desulfurization waste water treatment quality

Item

Unit

quality

SS

mg/l

≤10

COD

mg/l

≤100

BOD

mg/l

≤10

PH

-

6~9

OIL

mg/l

≤5

Turbidity

NTU

≤5

Conductivity

us/cm

≤1000

TDS

mg/l

≤500

Cl-

mg/l

≤100