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Prototype demonstration of dyeing with the application of clean technologies in the reduction of the colorant (Electric reduction)
Start date: Jan 1, 2001, End date: Jul 1, 2002,
Background
The dyeing processes developed in the finished textile industry use chemical reducing agents such as sodium sulphide, the so-called polysulphides, or, at best, a mixture of sodium hydrosulphide, glucose and caustic soda, in order to reduce the dye. All these chemicals lead to a high level of Chemical Oxygen Demand (COD) and Biological Oxygen De ...
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