FIELD: cellulose industry. SUBSTANCE: after alkaline boiling cellulose is washed up to concentration of residual active alkaline in mass 0.3-3.0 g/l as Na2O units and the presence of inhibiting reagent of phenylpropane derivative at concentration 0.1-0.5% of absolutely dry cellulose mass. Then cellulose is treated with atmospheric and/or ionized air which is fed under pressure 0.5-5.0 ati following by multistep whitening. EFFECT: improved method of cellulose production. 7 tbl
Title |
Year |
Author |
Number |
METHOD OF BLEACHED CELLULOSE PRODUCTION |
1993 |
- Kosheleva V.D.
- Zarudskaja O.L.
- Belodubrovskij R.B.
- Zvezdina L.K.
- Mironova T.Ja.
- Zotova L.G.
- Grishina T.A.
- Bogdan V.M.
- Semiletko S.V.
|
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- Che S.G.
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|
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0 |
- Ivanov Mikhail Alekseevich
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|
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