Why Can't You Remove Color from Your Dyehouse Wastewater?
"We spend thousands on treatment but the water is still colored" — the most common complaint. The root cause is usually wrong chemical selection.
Each Dye Type Requires Different Treatment
🔴 Reactive Dyes (Most Challenging)
Hydrolyzed reactive dyes are dissolved in water — impossible to separate by physical methods alone.
Solution: Growat DCL series chemically binds these dyes, achieving 90-98% color removal.
🟤 Disperse Dyes
Particulate dye from polyester dyeing. Coagulation works best — Growat COG provides rapid floc formation.
🟡 Direct / Vat Dyes
Large molecular structure — relatively easier to treat with concentrated products.
Are You Meeting Discharge Standards?
| Parameter | Typical Limit | Compliant? | |-----------|---------------|------------| | Color | 280 Pt-Co | Many exceed | | COD | 200-400 mg/L | Critical | | TSS | 60-100 mg/L | Usually OK |
Where to Start?
- Send sample — analysis within 24h
- Free jar test — optimal product/dose
- Pilot application — validation
- On-site support — optimization
Contact us for 95%+ color removal with Growat.