Integrated desizing–bleaching–reactive dyeing process for cotton towel using glucose oxidase enzyme》.pdfVIP

Journal of Cleaner Production 66 (2014) 562 e567 Contents lists available at ScienceDirect Journal of Cleaner Production journal homepage: www.elsevi /locate/jclepro Integrated desizingebleachingereactive dyeing process for cotton towel using glucose oxidase enzyme Shamshad Ali a, b, **, Zeeshan Khatri a, c, *, Awais Khatri a, Anwaruddin Tanwari a a Department of Textile Engineering, Mehran University of Engineering and Technology Jamshoro, 76062 Sindh, Pakistan b Department of Organic and Nano System Engineering, Hanyang University, 17 Haegdang-dong, Sungdong-gu, Seoul 133-791, South Korea c Nano Fusion Technology Research Group, Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano 386-8567, Japan a r t i c l e i n f o a b s t r a c t Article history: Series of individual preparatory processes prior to dyeing for cotton towel are unavoidable that not only Received 30 May 2013 produce a polluted discharge but also require an enormous amount of utilities. We report integration of Received in revised form desizing, bleaching and dyeing processes without discharging each spent bath using enzymes in 10 November 2013 batchwise method. The desizing effluent discharge eliminated by using Amyloglucosidaseepullanase Accepted 11 November 2013 Available online 20 November 2013 enzyme to produce glucose; and glucose oxidase (GOx) enzyme (Aspergillus oryzae ) to generate hydrogen peroxide (H O ) that yielded 85