METHOD OF PREPARING FIBROUS SEMIPRODUCT FOR PAPER PRODUCTION Russian patent published in 1995 - IPC

Abstract RU 2042004 C1

FIELD: paper industry. SUBSTANCE: sodium tungstate or sodium molybdate is used as catalyst at milled wood boiling in the mixture of acetic acid and hydrogen peroxide. EFFECT: improved method of semiproduct production. 2 tbl

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RU 2 042 004 C1

Authors

Suvorova S.I.

Pen R.Z.

Mel'Nikov E.B.

Leonova M.O.

Byvshev A.V.

Beljaev E.Ju.

Dates

1995-08-20—Published

1993-12-25—Filed