NO155498C - Process for reducing the resin content in the preparation of bleached or unbleached cellulose pulp from lignocellulosic material. - Google Patents
Process for reducing the resin content in the preparation of bleached or unbleached cellulose pulp from lignocellulosic material.Info
- Publication number
- NO155498C NO155498C NO802658A NO802658A NO155498C NO 155498 C NO155498 C NO 155498C NO 802658 A NO802658 A NO 802658A NO 802658 A NO802658 A NO 802658A NO 155498 C NO155498 C NO 155498C
- Authority
- NO
- Norway
- Prior art keywords
- bleached
- preparation
- reducing
- lignocellulosic material
- resin content
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7907557A SE418628B (en) | 1979-09-12 | 1979-09-12 | PROCEDURE FOR HEART LOSS REDUCTION IN MANUFACTURING CELLULOSAMASSES OF LIGNOCELLULOSAMENTAL |
Publications (3)
Publication Number | Publication Date |
---|---|
NO802658L NO802658L (en) | 1981-03-13 |
NO155498B NO155498B (en) | 1986-12-29 |
NO155498C true NO155498C (en) | 1994-11-21 |
Family
ID=20338805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO802658A NO155498C (en) | 1979-09-12 | 1980-09-09 | Process for reducing the resin content in the preparation of bleached or unbleached cellulose pulp from lignocellulosic material. |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5643496A (en) |
AT (1) | AT374512B (en) |
AU (1) | AU524841B2 (en) |
BR (1) | BR8005524A (en) |
CA (1) | CA1157209A (en) |
CH (1) | CH651083A5 (en) |
DE (1) | DE3034042C2 (en) |
FI (1) | FI68680C (en) |
FR (1) | FR2465026A1 (en) |
NO (1) | NO155498C (en) |
SE (1) | SE418628B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444621A (en) * | 1980-11-21 | 1984-04-24 | Mo Och Domsjo Aktiebolag | Process and apparatus for the deresination and brightness improvement of cellulose pulp |
SE8405128L (en) * | 1984-10-15 | 1986-04-16 | Kamyr Ab | TREATMENT OF HOG EXCHANGE MASS |
SE502321C2 (en) * | 1994-03-04 | 1995-10-02 | Kvaerner Pulping Tech | Process of ozone bleaching of sulphite pulp |
US5728265A (en) * | 1995-06-12 | 1998-03-17 | Henkel Corporation | Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane |
FI20105799A0 (en) | 2010-07-13 | 2010-07-13 | Olli Joutsimo | Improved chemical pulp manufacturing process |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE84946C (en) * | ||||
DE363666C (en) * | 1918-01-23 | 1922-11-11 | Carl G Schwalbe Dr | Process for removing resin, grease, wax and the like Like. Made from vegetable matter, especially wood and wood pulp |
US2000562A (en) * | 1933-07-06 | 1935-05-07 | Patentaktiebolaget Grondal Ram | Process of removing resin from sulphite cellulose |
US2224159A (en) * | 1937-09-27 | 1940-12-10 | Rayonier Inc | Process for purifying wood pulp |
-
1979
- 1979-09-12 SE SE7907557A patent/SE418628B/en not_active IP Right Cessation
-
1980
- 1980-08-26 JP JP11824580A patent/JPS5643496A/en active Granted
- 1980-08-29 BR BR8005524A patent/BR8005524A/en not_active IP Right Cessation
- 1980-09-01 FI FI802742A patent/FI68680C/en not_active IP Right Cessation
- 1980-09-05 CH CH6700/80A patent/CH651083A5/en not_active IP Right Cessation
- 1980-09-09 NO NO802658A patent/NO155498C/en unknown
- 1980-09-10 AU AU62195/80A patent/AU524841B2/en not_active Expired
- 1980-09-10 DE DE3034042A patent/DE3034042C2/en not_active Expired
- 1980-09-11 AT AT0457680A patent/AT374512B/en not_active IP Right Cessation
- 1980-09-12 FR FR8019697A patent/FR2465026A1/en active Granted
- 1980-09-12 CA CA000360196A patent/CA1157209A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO155498B (en) | 1986-12-29 |
FR2465026B1 (en) | 1983-08-19 |
FI68680B (en) | 1985-06-28 |
CA1157209A (en) | 1983-11-22 |
FI68680C (en) | 1985-10-10 |
NO802658L (en) | 1981-03-13 |
FR2465026A1 (en) | 1981-03-20 |
SE418628B (en) | 1981-06-15 |
CH651083A5 (en) | 1985-08-30 |
AU6219580A (en) | 1981-03-19 |
JPH0114357B2 (en) | 1989-03-10 |
DE3034042A1 (en) | 1981-04-02 |
FI802742A (en) | 1981-03-13 |
JPS5643496A (en) | 1981-04-22 |
AU524841B2 (en) | 1982-10-07 |
SE7907557L (en) | 1981-03-13 |
ATA457680A (en) | 1983-09-15 |
AT374512B (en) | 1984-05-10 |
DE3034042C2 (en) | 1985-08-22 |
BR8005524A (en) | 1981-03-17 |
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