SUMMARY:
Textile dyeing and printing wastewater contains dyes, sizing agents, auxiliaries, oils, acids, alkalis, fiber impurities, sand, and inorganic salts. It is characterized by large volumes, high organic pollutant concentrations, high alkalinity, and significant fluctuations in water quality.
TREATMENT METHODS FOR TEXTILE DYEING AND PRINTING WASTEWATER:
- Physical treatment methods: sedimentation, adsorption,etc;
- Chemical treatment methods: neutralization, coagulation, and oxidation, etc;
- Biological treatment methods: activated sludge, biological rotating discs, biological rotating drums, and biological contact oxidation, etc.
