Optimization of enzymatic scouring

Factors which should be considered for optimal enzymatic scouring were investigated in the present work. Enzymatic scouring was performed in two different pHs at various temperatures for various times with several surfactants. In addition, the effect of a chelating agent on enzymatic scouring was investigated as well. The degree of scouring was measured with an absorbency of treated fabrics using the Gravimetric Absorbency Testing System and compared with a water-drop test. The most important factors to achieve satisfactory absorbency were emulsification step and type of surfactant. Although the enzymatic action is completed at an optimum temperature of the enzyme, the wax removal would not be accomplished without an emulsification procedure at a high temperature over 80°C, which is the melting temperature of waxes.