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Alkaline Pulp Cooking in Presence of Phosphorus Compounds

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M.F. Kiryushina, T.G. Fedulina, M.Ya. Zarubin

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UDС

676.1.022

DOI:

Abstract

The positive effect of phosphorus compounds additives (triphenylphosphene, tributylphosphene and sodium phosphate) under alkaline delignification of spruce and aspen is established for the yield, residual lignin concentration and degree of fiber product polymerization; the phosphorus compounds additive has no effect for pine.

Authors

M.F. Kiryushina, T.G. Fedulina, M.Ya. Zarubin
Saint-Petersburg Forest-Technical Academy

Affiliation

Saint-Petersburg Forest-Technical Academy

Keywords

model compounds, ?-ether bond, phenylglucoside, pulp, lignin of milled spruce timber, spruce, aspen, ine, alkaline cooking, triphenyl- and tributylphosphene, sodium phosphate.

Alkaline Pulp Cooking in Presence of Phosphorus Compounds

 

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