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Pulp Deresination by Surfactants at Bisulfite Pulping Stage

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F.Kh. Khakimova, T.N. Kovtun, R.R. Khakimov

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UDС

661.728

DOI:

Abstract

It is shown that addition of nonionic surfactant Neonol AF 9-12 in amount of 0,2 … 0,3 % of bone-dry wood during bisulfite pulping is efficient for spruce, birch and aspen pulp deresination.

Authors

F.Kh. Khakimova, T.N. Kovtun, R.R. Khakimov

Affiliation

Keywords

Keywords: bisulfite pulping, softwood and hardwood, deresination, surfactant, general gumminess, “harmful” gumminess, critical concentration of micelle formation.

Pulp Deresination by Surfactants at Bisulfite Pulping Stage

 

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