FIELD: cellulose materials. SUBSTANCE: molded cellulose products such as fibers, filaments, foil, membranes, and pipes are manufactured by extruding solution of cellulose in water-containing N-methylmorpholine oxide using extrusion die through air slot and coagulation of extruded product in amine oxide-containing aqueous spinning bath. Coagulated product is passed over at least one washing stage to remove residual amine oxide. Liquid in spinning bath in coagulation stage and/or washing liquid in washing stage are exposed to ultraviolet radiation. EFFECT: prevented formation and multiplication of microorganism-caused deposits, films, and mucous discharge on installation parts coming in contact with N-methylmorpholine oxide-containing bath. 8 cl, 1 dwg, 2 ex
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