FIELD: technological processes.
SUBSTANCE: invention relates to process waters treatment. Method of starch degradation degree controlling in starch containing process water from cellulose production provides for process water treatment with biocidal system containing zinc ions and oxidizing or non-oxidizing biocide.
EFFECT: disclosed method provides effective reduction or prevention of starch degradation with high quality of production.
13 cl, 4 dwg, 4 tbl, 4 ex
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