FIELD: textile, paper.
SUBSTANCE: method includes the first treatment with chlorine dioxide (D) of initial bleaching and chelation (Q), carried out in combination with it, forming together DQ treatment. Chelation is carried out at pH from 2 to 7, at the same time specified treatment with chlorine dioxide (D) and chelation (Q) is followed by alkalising treatment (N) of cellulose, without intermediate washing between specified treatments, to increase pH of cellulose from more than 7 and to maximum 12 prior to the next stage, which is the washing stage.
EFFECT: invention provides for efficiency of bleaching stage.
17 cl, 17 dwg
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