SE8102138L - Forfarande for framstellning av fibermassa - Google Patents
Forfarande for framstellning av fibermassaInfo
- Publication number
- SE8102138L SE8102138L SE8102138A SE8102138A SE8102138L SE 8102138 L SE8102138 L SE 8102138L SE 8102138 A SE8102138 A SE 8102138A SE 8102138 A SE8102138 A SE 8102138A SE 8102138 L SE8102138 L SE 8102138L
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- defibration
- lignin softening
- spruce
- refining
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8102138A SE451202C (sv) | 1981-04-03 | 1981-04-03 | Foerfarande foer framstaellning av kemimekanisk massa |
CA000399643A CA1187657A (en) | 1981-04-03 | 1982-03-29 | Method for the production of fiber pulp |
FI821131A FI73473C (sv) | 1981-04-03 | 1982-04-01 | Förfarande för framställning av fibermassa. |
US07/085,221 US4767499A (en) | 1981-04-03 | 1987-08-13 | Method for the production of fiber pulp by impregnating lignocellulosic material with a sulphonating agent prior to refining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8102138A SE451202C (sv) | 1981-04-03 | 1981-04-03 | Foerfarande foer framstaellning av kemimekanisk massa |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8102138L true SE8102138L (sv) | 1982-10-04 |
SE451202B SE451202B (sv) | 1987-09-14 |
SE451202C SE451202C (sv) | 1989-04-17 |
Family
ID=20343507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8102138A SE451202C (sv) | 1981-04-03 | 1981-04-03 | Foerfarande foer framstaellning av kemimekanisk massa |
Country Status (4)
Country | Link |
---|---|
US (1) | US4767499A (sv) |
CA (1) | CA1187657A (sv) |
FI (1) | FI73473C (sv) |
SE (1) | SE451202C (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5437418A (en) | 1987-01-20 | 1995-08-01 | Weyerhaeuser Company | Apparatus for crosslinking individualized cellulose fibers |
SE462287B (sv) * | 1987-11-04 | 1990-05-28 | Celleco Ab | Foerfarande och anlaeggning foer framstaellning av hoegutbytesmassor ur lignocellulosamateial |
US5298118A (en) * | 1988-07-12 | 1994-03-29 | Atochem | Preparation of bleached chemithermomechanical pulp |
DE3932347A1 (de) * | 1989-09-28 | 1991-04-11 | Feldmuehle Ag | Herstellung chemo-mechanischer und/oder chemo-thermo-mechanischer holzstoffe |
WO1992008843A2 (en) * | 1990-10-31 | 1992-05-29 | Weyerhaeuser Company | Fiber treatment apparatus |
US6159335A (en) * | 1997-02-21 | 2000-12-12 | Buckeye Technologies Inc. | Method for treating pulp to reduce disintegration energy |
US7726592B2 (en) * | 2003-12-04 | 2010-06-01 | Hercules Incorporated | Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood |
US7967948B2 (en) * | 2006-06-02 | 2011-06-28 | International Paper Company | Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents |
US9090915B2 (en) * | 2008-04-22 | 2015-07-28 | Wisconsin Alumni Research Foundation | Sulfite pretreatment for biorefining biomass |
US9932709B2 (en) | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
US20100224333A1 (en) * | 2009-03-09 | 2010-09-09 | Prasad Duggirala | Method and chemical composition to improve efficiency of mechanical pulp |
US8815561B2 (en) | 2010-08-23 | 2014-08-26 | Wisconsin Alumni Research Foundation | Metal compounds to eliminate nonproductive enzyme adsorption and enhance enzymatic saccharification of lignocellulose |
EP2616186B1 (en) * | 2010-09-17 | 2020-10-14 | Titan Wood Limited | Treatment of wood pieces |
CN114136260A (zh) * | 2021-09-02 | 2022-03-04 | 浙江鹤丰新材料有限公司 | 一种毛竹纸杯的综合性能测定方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2610119A (en) * | 1946-09-14 | 1952-09-09 | Defibrator Ab | Defibering presoaked ligno-cellulose |
US3013931A (en) * | 1957-02-01 | 1961-12-19 | Hawaiian Dev Company Ltd | Printing paper and process of making the same |
CA1075857A (en) * | 1976-02-20 | 1980-04-22 | Price Company Limited (The) | Chemical pretreatment of wood prior to making refiner groundwood |
US4116758A (en) * | 1976-05-14 | 1978-09-26 | Canadian International Paper Co. | Method of producing high yield chemimechanical pulps |
US4247362A (en) * | 1979-05-21 | 1981-01-27 | The Buckeye Cellulose Corporation | High yield fiber sheets |
-
1981
- 1981-04-03 SE SE8102138A patent/SE451202C/sv not_active IP Right Cessation
-
1982
- 1982-03-29 CA CA000399643A patent/CA1187657A/en not_active Expired
- 1982-04-01 FI FI821131A patent/FI73473C/sv not_active IP Right Cessation
-
1987
- 1987-08-13 US US07/085,221 patent/US4767499A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE451202B (sv) | 1987-09-14 |
US4767499A (en) | 1988-08-30 |
CA1187657A (en) | 1985-05-28 |
FI73473C (sv) | 1989-05-29 |
FI73473B (fi) | 1987-06-30 |
FI821131A0 (fi) | 1982-04-01 |
SE451202C (sv) | 1989-04-17 |
FI821131L (fi) | 1982-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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