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The influence of ultrasound energy on bioscouring treatment applied on a 50 % of hemp + 50 % of cotton woven fabric was studied. The aim of the bioscouring treatment was the removal of the natural cellulose attendants for better fabric properties. The treatment conditions were: variable concentration between 1-3 % (o.w.f.) of the commercial enzyme product Beisol PRO, which is a mixture of pectinases from Bezema Company, Switzerland, 2 g/L of the complexing agent EDTA, 0.5 % of wetting agent Denimcol Wash RGN, phos...