Bleaching of wool

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  • Wool bleaching Flowsheet


Wool bleaching Flowsheet.jpg


  • 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


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