CA936309A - Impregnation of cellulosic fibre material with digesting liquor - Google Patents
Impregnation of cellulosic fibre material with digesting liquorInfo
- Publication number
- CA936309A CA936309A CA107986A CA107986A CA936309A CA 936309 A CA936309 A CA 936309A CA 107986 A CA107986 A CA 107986A CA 107986 A CA107986 A CA 107986A CA 936309 A CA936309 A CA 936309A
- Authority
- CA
- Canada
- Prior art keywords
- impregnation
- fibre material
- cellulosic fibre
- digesting liquor
- digesting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE03501/70A SE359331B (en) | 1970-03-17 | 1970-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA936309A true CA936309A (en) | 1973-11-06 |
Family
ID=20262266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA107986A Expired CA936309A (en) | 1970-03-17 | 1971-03-17 | Impregnation of cellulosic fibre material with digesting liquor |
Country Status (8)
Country | Link |
---|---|
US (1) | US3802956A (en) |
JP (1) | JPS5324521B1 (en) |
CA (1) | CA936309A (en) |
DE (1) | DE2112633C3 (en) |
FI (1) | FI54155C (en) |
FR (1) | FR2084755A5 (en) |
NO (1) | NO129361B (en) |
SE (1) | SE359331B (en) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162933A (en) * | 1973-05-15 | 1979-07-31 | Kamyr Inc. | Exothermic heat as a means of determining the degree of delignification |
US4190490A (en) * | 1974-04-03 | 1980-02-26 | Domtar Inc. | Impregnation and digestion of wood chips |
US3941650A (en) * | 1974-08-09 | 1976-03-02 | Schnyder Auxilius P | Continuous digester |
SE7604167L (en) * | 1976-04-08 | 1977-10-09 | Reinhall Rolf Bertil | DEVICE FOR TREATMENT OF LIGNOCELLULOSE-CONTAINING MATERIAL IN A PRESSURE REACTION VESSEL |
US4104113A (en) * | 1976-06-21 | 1978-08-01 | Kamyr, Inc. | Two-stage digestion with between vessel heating |
US4071399A (en) * | 1976-09-01 | 1978-01-31 | Kamyr, Inc. | Apparatus and method for the displacement impregnation of cellulosic chips material |
US4155805A (en) * | 1978-01-19 | 1979-05-22 | Kamyr Aktiebolag | Method for continuously digesting cellulosic fiber by evenly spreading the fiber material over the digestion vessel with steam |
DE2927579C2 (en) * | 1979-07-07 | 1981-08-27 | J.M. Voith Gmbh, 7920 Heidenheim | Method and device for pressureless impregnation of fiber material for pulp production |
US4432836A (en) * | 1979-07-30 | 1984-02-21 | Kamyr, Inc. | Vessel false bottoming |
US4746400A (en) * | 1979-07-30 | 1988-05-24 | Kamyr, Inc. | Method of treating cellulosic chips in a vessel with a false bottom |
AU553221B2 (en) * | 1980-10-09 | 1986-07-10 | Paccar Australia Pty. Ltd. | Vehicle cab suspension |
US4536969A (en) * | 1983-09-30 | 1985-08-27 | Kamyr, Inc. | Hot water drying of low rank coal |
US4514910A (en) * | 1983-02-22 | 1985-05-07 | Kamyr, Inc. | Dehydration of lignite or the like |
FI71176C (en) * | 1983-11-30 | 1991-12-03 | Ekono Oy | Process for preparing cellulose with batch boiling |
SE468053B (en) * | 1988-12-20 | 1992-10-26 | Kamyr Ab | SET ON CONTINUOUS DISSOLUTION COOKING OF CELLULOSIC FIBER MATERIAL |
US5192396A (en) * | 1988-12-20 | 1993-03-09 | Kamyr Ab | Process for the continuous digestion of cellulosic fiber material |
US5236553A (en) * | 1989-06-28 | 1993-08-17 | Kamyr Ab | Continuous cooking with reduced horsepower and pulp degradation |
US5053108A (en) * | 1989-06-28 | 1991-10-01 | Kamyr Ab | High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips |
CA2030090A1 (en) * | 1990-08-17 | 1992-02-18 | Bertil Stromberg | Sulfite modified continuous digesting |
EP0477059B1 (en) * | 1990-09-20 | 1995-07-12 | Kvaerner Pulping Technologies AB | Impregnation with black liquor prior to white liquor introduction |
SE469078B (en) * | 1991-08-23 | 1993-05-10 | Kamyr Ab | SET FOR CONTINUOUS COOKING OF CELLULOSIC FIBER MATERIAL |
US5529661A (en) * | 1991-08-23 | 1996-06-25 | Kvaerner Pulping Technologies Ab | Process for controlling the flow of cellulosic fiber material through an impregnation vessel |
US5766413A (en) * | 1993-04-23 | 1998-06-16 | Kvaerner Pulping Ab | Process for isothermal cooking pulp in a continuous digester |
US5536366A (en) * | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
US5674359A (en) * | 1995-02-08 | 1997-10-07 | Ahlstrom Machinery Inc. | Continuous cooking of cellulosic fibrous material with cold alkali impregnation |
US6248208B1 (en) | 1995-06-02 | 2001-06-19 | Andritz-Ahlstrom Inc. | Pretreatment of chips before cooking |
SE504644C2 (en) * | 1995-07-12 | 1997-03-24 | Kvaerner Pulping Tech | Liquid circulation in a vessel for impregnation of chips |
SE506703C2 (en) | 1995-07-12 | 1998-02-02 | Kvaerner Pulping Tech | Impregnation of fiber material in co-current during continuous boiling |
US5795438A (en) * | 1996-11-04 | 1998-08-18 | Ahlstrom Machinery Inc. | Method and apparatus for feeding multiple digesters |
US5882477A (en) * | 1997-02-10 | 1999-03-16 | Ahlstrom Machinery, Inc. | Continuous digester with a low temperature gas-phase |
US5985096A (en) * | 1997-09-23 | 1999-11-16 | Ahlstrom Machinery Inc. | Vertical pulping digester having substantially constant diameter |
US6123808A (en) * | 1997-12-09 | 2000-09-26 | Ahlstrom Machinery Inc. | Distribution of dilution liquor to the discharge of a cellulose pulp digester |
US6120647A (en) * | 1998-01-26 | 2000-09-19 | Ahlstrom Machinery Inc. | Simplified liquid removal system for a cellulose pulp digester |
SE9802844D0 (en) * | 1998-08-24 | 1998-08-24 | Kvaerner Pulping Tech | Method for continuous cooking of lignocellulosic fiber material |
SE526704C2 (en) | 2003-12-30 | 2005-10-25 | Kvaerner Pulping Tech | Feeding of cellulose chips from a low pressure part to a high pressure part with a lock feeder |
FI120547B (en) * | 2004-10-04 | 2009-11-30 | Metso Paper Inc | Alkaline cooking process and pulp making plant |
SE0702874L (en) | 2007-12-20 | 2009-06-09 | Metso Fiber Karlstad Ab | Process of manufacture of sulphate pulp in which hemicelluloses are recycled |
SE538725C2 (en) * | 2014-06-26 | 2016-11-01 | Valmet Oy | Steam separation unit and hydrolysis process system comprising a steam separation unit |
-
1970
- 1970-03-17 SE SE03501/70A patent/SE359331B/xx unknown
-
1971
- 1971-03-15 NO NO00972/71A patent/NO129361B/no unknown
- 1971-03-15 FI FI743/71A patent/FI54155C/en active
- 1971-03-16 US US00124857A patent/US3802956A/en not_active Expired - Lifetime
- 1971-03-16 DE DE2112633A patent/DE2112633C3/en not_active Expired
- 1971-03-16 JP JP1413871A patent/JPS5324521B1/ja active Pending
- 1971-03-17 FR FR7109350A patent/FR2084755A5/fr not_active Expired
- 1971-03-17 CA CA107986A patent/CA936309A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI54155B (en) | 1978-06-30 |
FI54155C (en) | 1978-10-10 |
DE2112633A1 (en) | 1971-09-30 |
FR2084755A5 (en) | 1971-12-17 |
SE359331B (en) | 1973-08-27 |
US3802956A (en) | 1974-04-09 |
DE2112633C3 (en) | 1973-12-20 |
DE2112633B2 (en) | 1973-05-24 |
JPS5324521B1 (en) | 1978-07-21 |
NO129361B (en) | 1974-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA936309A (en) | Impregnation of cellulosic fibre material with digesting liquor | |
CA902861A (en) | Bleaching of cellulosic pulp | |
CA943707A (en) | Delignification of chemical cellulosic pulp | |
GB1412254A (en) | Sizing of cellulosic fibres | |
ZA711692B (en) | Method and arrangement for impregnation of cellulosic fibre material with digesting liquor | |
CA956755A (en) | Process for modifying cellulosic fibres | |
CA975111A (en) | Bleaching cellulosic pulp | |
CA801704A (en) | Fibrous cellulosic material | |
AU457903B2 (en) | Colouration of cellulose textile materials | |
CA787065A (en) | Process for improving textile material consisting at least partly of cellulosic fibers | |
AU461389B2 (en) | Bleaching of cellulosic pulp | |
AU455703B2 (en) | Sizing of textile fibres | |
CA846755A (en) | Process for the flame-proofing of fibrous materials consisting of polyester fibers and cellulose fibers | |
CA932909A (en) | Bleaching of lignin-containing cellulose materials such as pulp | |
CA886480A (en) | Bleaching cellulosic materials | |
CA877856A (en) | Process for improving fabrics containing cellulosic fibers | |
CA806069A (en) | Modification of cellulosic textile materials | |
CA778668A (en) | Catalytic pulping of lignocellulosic material | |
AU278110B2 (en) | Process forthe production of cellulosic fibrous materials of low flammability | |
CA785678A (en) | Bleaching fibrous material of natural cellulose | |
CA840722A (en) | Countercurrent pulping of cellulosic materials | |
CA797721A (en) | Coloration of cellulose textile material | |
CA779176A (en) | Bleaching of cellulosic pulp | |
CA716481A (en) | Properties of cellulosic textile material | |
GB1409635A (en) | Process for the combination dyeing of cellulose fibres or cellulosic/synthetic fibre blends |