FIELD: paper industry.
SUBSTANCE: papermaking additive composition contains a treated fermented microbial supernate and one or more non-ionic surfactants. Composition does not contain any active enzymes and living bacteria. pH of the composition is less than 5.0.
EFFECT: improved separation of cellulose fibers from cellulose pulp, removal of impurities and/or contaminants from cellulose pulp and/or from paper material and removal of printing ink from cellulose pulp and/or from paper material.
29 cl, 4 dwg, 7 ex
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