FIELD: cellulose industry. SUBSTANCE: in the process of alkaline boiling organic addition is used that is taken from the group consisting of sodium alpha-sulfomethyllaurate or its mixture with cocdiethanolamide, sodium xylenesulfone, triethanolammonium laurylsulfate, sodium laurylsulfosuccinate and block-copolymer of butylethylene oxide and propylene oxide at concentration 0.4-0.8 kg/t wood raw. EFFECT: improved method of cellulose production. 1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD AND SYSTEMS FOR BLEACHING OF LIGNOCELLULOSIC MASS AFTER COOKING WITH SODA AND ANTHRAQUINONE | 2008 |
|
RU2479683C2 |
PROCESS FOR PRODUCING PULP | 0 |
|
SU968125A1 |
METHODS FOR INCREASING PULP COOKING EFFICIENCY | 2015 |
|
RU2698735C2 |
METHOD OF OXYGEN DELIGNIFICATION OF NONBLEACHED PULP | 1991 |
|
RU2071518C1 |
PULP PREPARATION METHOD | 1997 |
|
RU2135665C1 |
METHOD AND DEVICE FOR ALKALINE BOILING OF CELLULOSE FROM HARD WOOD | 2007 |
|
RU2414555C2 |
METHODS AND DEVICES TO BOIL LIGNOCELLULOSE MATERIALS | 2007 |
|
RU2440449C2 |
METHODS OF CARBONATE PRETREATMENT AND PULPING CELLULOSIC MATERIAL | 2007 |
|
RU2445414C2 |
METHOD FOR PRODUCING CELLULOSE | 1991 |
|
RU2037594C1 |
METHODS AND SYSTEMS FOR PULPING CELLULOSE FROM LIGNOCELLULOSE MATERIALS | 2016 |
|
RU2690562C2 |
Authors
Dates
1995-08-20—Published
1991-09-26—Filed