Procedure for the discoloration of textile industry dye bathrooms (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for the discoloration of a dyeing bath of the textile industry. A dye bar is filled with cold water, which is heated up to 50-60 c. Acetic acid is added, a retarder and adequate colorants, following heating up to 98-100 c, temperature that keeps until total absorption of the coloring material for the dyeing material, obtaining its fixed. The bathroom is cooled at 70-75 c. After which the bath is evacuated, the autoclave is filled again with cold water, which is heated at 30 c. Procedure then to the operation of softening or finishing, to end with the evacuation of the totality of the bathroom, becoming repeated the work cycle. (Machine-translation by Google Translate, not legally binding)