Meifute won the bid of 1000 TPD electroplating wastewater zero liquid discharge project

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The wastewater is including chromate wastewater, nickel-containing wastewaterand comprehensivewastewater(Ground wastewater, complex wastewater, heavy metal cleaning water).

The water quality:

Water

type

Water

quantity

pH

Ni

Cr

COD

Zn

Cu

Total hardness

Conductivity

TPH

-

mg/L

mg/L

mg/L

mg/L

mg/L

mg/L

us/cm

chromate  

waste water

10

2-6

-

400

100

-

-

100

5000

nickel-containing  wastewater

5

2

400

-

100

-

-

100

5000

comprehensive  wastewater

35

2

-

-

1000

300

300

500

7000

The reuse water standard:

Parameter

COD

TDS

Conductivity

mg/L

mg/L

us/cm

value

20

250

350

The treatment process

Three kinds of wastewater were pretreatedrespectivelyand then mixed.

Mixed wastewater treatment process:

Mixed water+ O/MBR+ normal RO+ highpressure RO+SUPER RO+MVR


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