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N. Hmidet, N. El-Hadj Ali, A. Haddar, S. Kanoun, S.-K. Alya and M. Nasri, “Alkaline Proteases and Thermostable Amylase Co-Produced by Bacillus Licheniformis NH1: Characterization and Potential Application as Detergent Additive,” Biochemical Engineering Journal, Vol. 47, No. 1-3, 2009, pp. 71-79. doi:10.1016/j.bej.2009.07.005

has been cited by the following article:

• TITLE: Enzyme Assisted Ultrasound Scouring of Raw Wool Fibres

  AUTHORS: Betcheva Rositza, Yordanov Dancho, Yotova Lubov

  KEYWORDS: Enzyme, Felting, Scouring, Ultrasound, Wool

  JOURNAL NAME: Journal of Biomaterials and Nanobiotechnology, Vol.2 No.1, January 27, 2011

  ABSTRACT: Scouring of raw wool is a chemical treatment that needs a high amount of detergents, alkalis and water. Effluents produced by this treatment are extremely polluted with chemicals and impurities washed out from the fibers. It is well known that the ultrasound washing can remove effectively different substances from the textile surfaces even without surfactants due to the cavitations occurring at certain parameters of the ultrasound field. On the other side water treatments of wool combined with mechanical agitation provoked felting which can impair the quality of wool materials. Felting itself depends not only on the parameters of water treatments but also on the structure of wool cuticle. Partial hydrolysis of the cuticle with some proteases can decrease considerably the wool felting. The aim of this work is to study the possibility of applying the ultrasound at the process of raw wool scouring and the influence of proteases on the felting properties of wool at these conditions. It has been found out that ultrasound environment applied does not impair the specific activity of enzyme auxiliaries used and leads to increasing of their effect on the surface of wool fibers. Thus the scouring process studied could be used for developing of a technology producing lower amount and less polluted effluents.