SOPHIED
26 European partners gathered for the joint research.
9.5. million euros used to improve European competitiveness.
4 years of collaboration, research and learning to propose results to the colour industry.
EUROPEAN COMMISSION
2002/61/CE Directive limits the use of some azoic dyes in many dyes using products.
COLOUR INDUSTRY & EFFLUENT
60% of domestic effluents and 40% of industrial effluents spread worldwide.
10-15% of all the dyes used in the industry are released into the environment during manufacture or usage.
Dye Class |
Fibre Type |
Degree of fixation (%) |
Effluent Loss (%) |
Benchmark Fixation (%) |
Acid |
Polyamide Wool |
80-95 |
5-20 |
90 |
Basic |
Acrylic |
95-100 |
0-5 |
97 |
Direct |
Cotton Rayon, Cellulosic |
70-95 |
5-30 |
85 |
Disperse |
Polyester |
90-100 |
0-10 |
95 |
Metal-comp |
Wool |
90-98 |
2-10 |
94 |
Reactive Cotton |
Cellulosic |
50-90 |
10-50 |
70 |
Sulphur |
Cellulosic |
60-90 |
10-40 |
75 |
Vat |
Cotton Cellulosic |
80-95 |
5-20 |
90 |
Dye Class |
Production |
|
Europe (*1000T) |
World (*1000T) |
Acid |
24 |
100 |
Reactive |
13 |
114 |
Disperse |
22 |
157 |
Direct |
9 |
64 |
Vat |
4 |
40 |
Basic |
8 |
44 |
Sulphur |
3 |
101 |