Example of treatment for printing and dyeing wastewater:
Factory:
one of Changshu Printing and DyeingFactory
Raw water analysis:
the chromaticity of the raw water quality changes between 80-200 times,and the p(CODcr)changes between 300-800 mg/L
Capacity:
5000m3/day
Treatment process:
bio-treatment-chemicals( decolor+pac+pam)
Dosage:
decolor 200mg/l,PAC 150mg/l,Pam 1.5mg/l