Difference between revisions of "Bleaching of wool"
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Revision as of 10:05, 16 November 2010
Back to EFFICIENCY FINDER FOR TEXTILE INDUSTRY
- Wool bleaching Flowsheet
- Typical parameters of the process
| Techniques | Temperature [°C] | Pressure (bar) | Heat transfer medium | Residence Time | pH | Bleaching agent | Additional information | Literature |
| H2o2 bleaching | 50 (optitional) | water | 3-4 h | alkaline or acid | peroxide | acid bleaching is said to achieve better results; "Pestrogen W" process, BASF | Lexikon der Textilveredlung | |
| 2nd step after oxidative bleaching, to get full-white | water | insufficient alone; just for brightening or in combination with peroxide bleaching | ||||||
| 3rd step | water | to get H2O2 out of the wool |
