Actual Benefits and Effects
Full Compliance
Low Sludge Production
High Stability
Long-term Reliability
Efficient Reuse
Characteristics of Different Types of Printing & Dyeing Wastewater
| Category | pH | COD (mg/L) | BOD (mg/L) | Remarks |
|---|---|---|---|---|
| Knitting | ||||
| Cotton | 8.50~10 | 800~1200 | 350 | High salt, high conductivity |
| Synthetic Fiber | 6~7 | 1000~1500 | 280~350 | Contains antimony |
| Blended | 6.5 | 1200~1500 | 300 | Contains oil |
| Weaving | ||||
| Cotton | 9.5~12 | 4000~7000 | 350~450 | High slurry content, high pH, high COD |
| Synthetic Fiber | 6.5~7.5 | 4500~6000 | 350~500 | High slurry content, high pH, high COD, contains antimony and oil |
| Blended | 6.5 | 4500~7000 | 300~500 | High slurry content, high pH, high COD, contains antimony |
KEDE Technological Breakthroughs and Innovations
01
Bio-based, Physicochemical-assisted Approach
Bio-based process with physicochemical methods · Applied in over 100 dyeing factories
02
Low Energy Consumption
Minimal chemical use · 25% energy reduction vs. conventional processes
03
Low Sludge Production
Sludge reduced by 50% · Further degradation cuts total sludge by two-thirds
Operational Innovation
Multi-point digital data collection combined with a system early-warning mechanism enables early detection of issues and optimized energy use—automatically adjusting to reduce waste and alerting operators to anomalies.
01
Technical Advisory Management
On-site technical support year-round, complemented by remote assistance from headquarters team.
02
Comprehensive O&M Services
Full-process, year-round operation and maintenance services, relieving clients of environmental management burdens.