FIELD: production of paper and paper products in pulp-and-paper industry.
SUBSTANCE: method involves adding effective amounts of at least one cation-active polymer coagulant or inorganic coagulant with following adding of material consisting of microparticles, wherein pulp contains cellulose produced at least partly from processed paper products. Coagulant used is of natural or synthetic origin. Material based on microparticles is, for example, bentonite clay, network polymer, colloidal silicon, or polysilicate.
EFFECT: increased efficiency in reducing of white resin sedimentation.
17 cl, 2 dwg, 2 ex
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Authors
Dates
2007-10-27—Published
2003-04-03—Filed