Textile Recycling Technologies, Colouring and Finishing Methods

 
 
 
 
 
 
 
 

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Textile Recycling Technologies, Colouring and Finishing Methods | Le 
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LIST OF FIGURES
 
Figure 1: Apparel material waste flows from raw materials to end-of-life (estimates). ............................... 3 
Figure 2: Apparel-related firms in British Columbia by product (%). .......................................................... 4 
Figure 3: Global fibre production in 2015 .................................................................................................... 5 
Figure 4: Material and chemical waste flows during apparel manufacturing and use .................................. 6 
Figure 5: Overview of possible post-industrial and post-consumer textile waste flows. .............................. 8 
Figure 6: Virgin polyester production methods. ......................................................................................... 12 
Figure 7: General route for mechanical recycling of polyester. , ................................................................ 14 
Figure 8: Overview of different approaches for chemical recycling of polyester ...................................... 15 
Figure 9: Polymerization of Nylon 6 (general process). ............................................................................. 18 
Figure 10: Polymerization of Nylon-6,6 (general process). ........................................................................ 18 
Figure 11: General route for mechanical recycling of nylon ...................................................................... 19 
Figure 12: Overview of different approaches for chemical recycling of nylon .......................................... 20 
Figure 13: Overview of the DuPont ammonolysis chemical recycling process for Nylon ......................... 20 
Figure 14: Cotton global fibre production .................................................................................................. 23 
Figure 15: Cotton textile production steps from fibres to garments. .......................................................... 23 
Figure 16: Overview of mechanical recycling process of cotton ................................................................ 24 
Figure 17: Overview of cotton chemical recovery processes ..................................................................... 25 
Figure 18: Overview of Lyocell process ..................................................................................................... 26 
Figure 19: Overview of ionic liquid process ............................................................................................... 27 
Figure 20: Overview of wool fibre processing steps .................................................................................. 30 
Figure 21: Open-loop recycling system for wool, with examples .............................................................. 31 
Figure 22: Basic steps in closed loop recycling of wool ............................................................................. 32