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Latest revision as of 12:41, 1 March 2013
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- Synthetic Fabric Flowsheet
Dyeing of Polyester Textured Yarn Fabric:
Literature:Handy Manual: Textile industry,Output of the Seminar on Energy Conservation in Textile Industry, United Nations Industrial development Organization (UNIDO) and Ministry of International Trade and Industry (MITI, Japan), 1992)
Polyester dyeing flowsheet:
- Typical parameters of the process
| Techniques | Temperature [°C] | Pressure (bar) | pH | Heat transfer medium | Residence Time | Additional information | Literature |
| Batch dyeing or Exhaustion dyeing | 98 | 4-5 | Hot water | 55-60 min | Acid, disperse or metalcomplex dyes | BAT in textile industries, 2003 | |
| Batch dyeing or Exhaustion dyeing | 70 | 4-5 | Hot water | 55-60 min | Cationic dyes | ||
| Batch dyeing or Exhaustion dyeing | 98 | Hot water | 120 min | Disperse dyes; technique in disuse | |||
| Batch dyeing or Exhaustion dyeing | 120-130 | 3-4 | 4-5 | Hot water | 45 min | disperse dyes | |
| Thermosol process (continous process) | 180-220 | 4-5 | Hot water | 30-60 sec | Disperse dyes |
- Energy consumption
| Fibres/Fabrics etc. | Process/technique | Electricity [kWh/kg] | Thermal energy [MJ/kg] | Water for dyeing [l/kg] | Water for rinsing [l/kg] | Dyestuff | Literature |
| PAC, loose fibre | dyeing | 0,1-0,4 | 4-14 | 4-12 | 4-16 | cationic dyes | BAT in textile industry, 2003 |
| PAC yarn | dyeing | 0,8-1,1 | 13-16 | 15-30 | 30-50 | dyes not specified | |
| PES, loose fibre | dyeing | 0,1-0,4 | 4-14 | 6-15 | 12-20 | disperse dyes | |
| PA, loose fibre | dyeing | 0,1-0,4 | 4-14 | 6-15 | 6-12 | direct, acid dyes | |
| PA, yarn | dyeing | 0,8-1,1 | 13-16 | 15-30 | 30-50 | dyes not specified |
