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Integrated Preparatory Method for Cotton Towel by Using Enzymes

Author(s): Shamshad Ali | Zeeshan Khatri | Anwaruddin Tanwari

Journal: International Journal of Chemical and Environmental Engineering
ISSN 2078-0737

Volume: 2;
Issue: 5;
Start page: 295;
Date: 2011;
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Keywords: One bath preparatory process | conventional processing method | integrated process | glucose oxidase enzyme | catalase enzyme

This study was undertaken to develop one-bath preparatory process for cotton towel by the use of different enzymes. The results obtained were compared with the conventional processing method. Instead of using amylase enzyme in the conventional method, amyloglucosidase / pullanase enzyme was used to carry out desizing in one-bath process that produces glucose units. The next process of bleaching (GOx treatment) was carried out in the spent bath of desizing, the glucose oxidase enzyme (Aspergillus Oryzae) was used to generate hydrogen peroxide from the residual glucose generated during desizing previously. The hydrogen peroxide yield was 85 mg/l. Glucose oxidase enzyme catalyzes the oxidation of glucose units to gluconic acid and hydrogen peroxide simultaneously in the presence of oxygen. The decomposition of residual hydrogen peroxide from bleached towel was done with catalase enzyme. The results revealed similar Tegewa scale rating and Absorbency coupled with acceptable degree of Whiteness with integrated method when compared with the conventional method. The proposed integrated method is more economical as it requires less utilities and having environmental benefit owing to the elimination of desizing process effluent discharge.
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