PT102779A - Textile materials pretreatment based whiteness enhancement consists of oxidative bleaching with peroxide after treatment with laccases
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Textile materials pretreatment based whiteness enhancement consists of oxidative bleaching with peroxide after treatment with laccases
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Treatments For Attaching Organic Compounds To Fibrous Goods
(AREA)
Abstract
The textile materials pretreatment based whiteness enhancement comprises an economical technique employing oxidative bleaching of the cellulose fibres by peroxide, after treatment with laccases. This gives superior effects compared with two successive peroxide treatments.
PT10277902A2002-05-172002-05-17
PROCESS FOR IMPROVING THE WHITE DEGREE OF TEXTILE MATERIALS BY PRE-TREATING THE SAME WITH LACASES
PT102779B
(en)
Method to treat and use liquid streams in a chemical pulp plant, which comprises subjecting the effluent to at least one biological treatment to obtain a purified effluent with a color of 200 mg / l (pt) or more and a cod value greater than 150 mg / l, and recirculate it between the first and last stages of the bleaching sequence.