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 wastewater，and 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
Water type	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
Parameter	mg/L	mg/L	us/cm
value	20	250	350

The treatment process：

Three kinds of wastewater were pretreatedrespectively，and then mixed.

Mixed wastewater treatment process:

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