The Recycling of Reactive Dyeing Effluent of Argazol Blue BF-RR

The recycling process of Argazol Blue BF-RR dip dyeing water was studied in order to reduce environmental pollution of reactive dyeing effluent and save dyes.The amount of effective dye of dyeing effluent has been determined by reusing the dyeing effluent directly.The dyeing process was optmized by orthogonal test.The dyeing K/S values,the dyeing characteristic values and the relevant color fastness of the recycling effluents dyeing samples were compared.The dyeing effluent was recycled many times.The results showed that the amount of effective dye of dyeing effluent was 5%,the best color difference between the sample and the initial sample were 4-5.The relevant color fastnesses were also very close and the relevant performances of the samples which dyed by reusing dyeing effluents many times also achieved the production requirements.