Utilization of keratin hydrolysate of wool waste fiber for free-salt dyeing of viscose fabric
Viscose dyeing is one of the major pollutants of water due to the large amount of salt in the dyeing effluent.This study paves the way for improving environmentally sustainable wool waste and highlights a promising invaluable application through salt-free viscose dyeing.The keratin hydrolysate (KH) was obtained using microwave (MW) alkaline hydroly