FI120649B - Hakkeen esikäsittely ennen keittoa - Google Patents
Hakkeen esikäsittely ennen keittoa Download PDFInfo
- Publication number
- FI120649B FI120649B FI962281A FI962281A FI120649B FI 120649 B FI120649 B FI 120649B FI 962281 A FI962281 A FI 962281A FI 962281 A FI962281 A FI 962281A FI 120649 B FI120649 B FI 120649B
- Authority
- FI
- Finland
- Prior art keywords
- cellulosic
- container
- temperature
- process according
- vessel
- Prior art date
Links
- 238000010411 cooking Methods 0.000 title claims description 26
- 238000002203 pretreatment Methods 0.000 title description 4
- 239000000463 material Substances 0.000 claims description 43
- 239000003513 alkali Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 238000005470 impregnation Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 27
- 229920005610 lignin Polymers 0.000 claims description 22
- 238000010025 steaming Methods 0.000 claims description 16
- 239000002657 fibrous material Substances 0.000 claims description 14
- 238000002791 soaking Methods 0.000 claims description 14
- 238000011282 treatment Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 12
- 239000002023 wood Substances 0.000 claims description 11
- 239000002655 kraft paper Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- 239000007844 bleaching agent Substances 0.000 claims description 4
- 235000014347 soups Nutrition 0.000 claims description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 239000005446 dissolved organic matter Substances 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims 2
- 238000010924 continuous production Methods 0.000 claims 1
- 239000011368 organic material Substances 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 239000002253 acid Substances 0.000 description 14
- 239000012530 fluid Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000002378 acidificating effect Effects 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229920002488 Hemicellulose Polymers 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012773 agricultural material Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-M hydrosulfide Chemical compound [SH-] RWSOTUBLDIXVET-UHFFFAOYSA-M 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- -1 sulfide ions Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/460,723 US6248208B1 (en) | 1995-06-02 | 1995-06-02 | Pretreatment of chips before cooking |
| US46072395 | 1995-06-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI962281A0 FI962281A0 (fi) | 1996-05-31 |
| FI962281A FI962281A (fi) | 1997-12-01 |
| FI120649B true FI120649B (fi) | 2010-01-15 |
Family
ID=23829821
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI962281A FI120649B (fi) | 1995-06-02 | 1996-05-31 | Hakkeen esikäsittely ennen keittoa |
| FI20060245A FI20060245A (fi) | 1995-06-02 | 2006-03-16 | Hakkeen esikäsittely ennen keittoa |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20060245A FI20060245A (fi) | 1995-06-02 | 2006-03-16 | Hakkeen esikäsittely ennen keittoa |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US6248208B1 (ja) |
| JP (1) | JP3682935B2 (ja) |
| CA (1) | CA2174874C (ja) |
| FI (2) | FI120649B (ja) |
| SE (3) | SE1150802A1 (ja) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958181A (en) * | 1997-08-07 | 1999-09-28 | Ahlstrom Machinery, Inc. | Continuous cooking with a two-stage cool impregnation |
| FI20002587A (fi) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Alkalinen keittomenetelmä kuitumateriaalille |
| FI20002586A (fi) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Alkalinen eräkeittomenetelmä kuitumateriaalille |
| SE519262E (sv) * | 2002-03-15 | 2008-01-08 | Kvaerner Pulping Tech | Förfarande för matning av cellulosaflis vid kontinuerlig kokning |
| CN1318688C (zh) * | 2003-08-26 | 2007-05-30 | 山东泉林纸业有限责任公司 | 一种烧碱法制浆所用原料的浸渍预处理工艺 |
| US7923802B2 (en) * | 2006-10-13 | 2011-04-12 | Hewlett-Packard Development Company, L.P. | Method and apparatus for forming a photodiode |
| SE0401870D0 (sv) * | 2004-07-15 | 2004-07-15 | Kvaerner Pulping Tech | Förfarande för impregnering av flis |
| EP1883731B1 (en) * | 2005-05-24 | 2015-11-11 | International Paper Company | Modified kraft fibers |
| US7520958B2 (en) * | 2005-05-24 | 2009-04-21 | International Paper Company | Modified kraft fibers |
| US7771565B2 (en) * | 2006-02-21 | 2010-08-10 | Packaging Corporation Of America | Method of pre-treating woodchips prior to mechanical pulping |
| US20070240837A1 (en) * | 2006-04-13 | 2007-10-18 | Andritz Inc. | Hardwood alkaline pulping processes and systems |
| US8262856B2 (en) * | 2007-06-18 | 2012-09-11 | Andritz Inc. | Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone |
| US20090038767A1 (en) * | 2007-08-07 | 2009-02-12 | Andritz Inc. | Method and System for Semi-Chemical Pulping |
| FR2932815B1 (fr) * | 2008-06-23 | 2015-10-30 | Cie Ind De La Matiere Vegetale Cimv | Procede de pretraitement de la matiere premiere vegetale pour la production, a partir de ressources sacchariferes et lignocellulosiques, de bioethanol et/ou de sucre, et installation. |
| AU2010202496B2 (en) * | 2010-05-04 | 2015-04-16 | Bahia Specialty Cellulose Sa | Method and system for high alpha dissolving pulp production |
| KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
| MY157311A (en) * | 2010-05-04 | 2016-05-31 | Bahia Specialty Cellulose Sa | Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse |
| WO2012158075A1 (en) * | 2011-05-13 | 2012-11-22 | Metso Paper Sweden Ab | Compact process for producing prehydrolyzed pulp |
| RU2665424C1 (ru) * | 2014-08-26 | 2018-08-29 | Вальмет Аб | Экономически эффективный способ сульфатной варки с применением полисульфидного варочного щелока |
| WO2021024025A1 (en) * | 2019-08-08 | 2021-02-11 | Thai Eastern Pulp And Paper Co., Ltd. | A hopper and a system for preparing empty fruit bunch fiber in a paper and/or pulp production process |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3303088A (en) | 1963-04-19 | 1967-02-07 | Lummus Co | Continuous liquid-phase rapid pulping |
| US3664918A (en) * | 1969-12-09 | 1972-05-23 | Pulp Paper Res Inst | Vapor phase pulping of water saturated lignocellulosic materials |
| SE359331B (ja) | 1970-03-17 | 1973-08-27 | Kamyr Ab | |
| US5192396A (en) | 1988-12-20 | 1993-03-09 | Kamyr Ab | Process for the continuous digestion of cellulosic fiber material |
| SE468053B (sv) | 1988-12-20 | 1992-10-26 | Kamyr Ab | Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial |
| 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 |
| CA2066181C (en) | 1989-09-28 | 1995-09-26 | Karl-Eric Bertil Fagerlund | Displacement heating in continuous digesters |
| EP0477059B1 (en) | 1990-09-20 | 1995-07-12 | Kvaerner Pulping Technologies AB | Impregnation with black liquor prior to white liquor introduction |
| US5213662A (en) * | 1991-08-14 | 1993-05-25 | Kamyr, Inc. | Treatment of chips with high temperature black liquor to reduce black liquor viscosity |
| SE502039C2 (sv) | 1993-12-29 | 1995-07-24 | Kvaerner Pulping Tech | Sätt och anordning för kontinuerlig kokning av massa |
| US5476572A (en) * | 1994-06-16 | 1995-12-19 | Kamyr, Inc. | Chip feeding for a continuous digester |
| US5522958A (en) | 1994-07-18 | 1996-06-04 | Pulp And Paper Research Institute Of Canada | Two-stage kraft cooking |
| US5660686A (en) * | 1994-09-02 | 1997-08-26 | Ahlstrom Machinery Inc. | Cooking with spent liquor pretreatment of cellulose material |
| US5622598A (en) * | 1995-04-25 | 1997-04-22 | Ahlstrom Machinery Inc. | Chip pumping to a digester |
-
1995
- 1995-06-02 US US08/460,723 patent/US6248208B1/en not_active Expired - Lifetime
-
1996
- 1996-04-24 CA CA002174874A patent/CA2174874C/en not_active Expired - Lifetime
- 1996-05-07 JP JP11274296A patent/JP3682935B2/ja not_active Expired - Lifetime
- 1996-05-28 SE SE1150802A patent/SE1150802A1/sv not_active Application Discontinuation
- 1996-05-28 SE SE9602016A patent/SE522853C2/sv not_active IP Right Cessation
- 1996-05-31 FI FI962281A patent/FI120649B/fi active IP Right Review Request
-
2001
- 2001-01-29 US US09/770,408 patent/US6506283B2/en not_active Expired - Lifetime
- 2001-10-15 US US09/975,984 patent/US6544384B2/en not_active Expired - Lifetime
-
2004
- 2004-03-08 SE SE0400568A patent/SE534950C2/sv active IP Right Maintenance
-
2006
- 2006-03-16 FI FI20060245A patent/FI20060245A/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US6248208B1 (en) | 2001-06-19 |
| US6506283B2 (en) | 2003-01-14 |
| CA2174874A1 (en) | 1996-12-03 |
| SE9602016L (sv) | 1996-12-03 |
| JPH093787A (ja) | 1997-01-07 |
| CA2174874C (en) | 2004-07-20 |
| JP3682935B2 (ja) | 2005-08-17 |
| SE0400568D0 (sv) | 2004-03-08 |
| SE9602016D0 (sv) | 1996-05-28 |
| SE534950C2 (sv) | 2012-02-28 |
| US20010013398A1 (en) | 2001-08-16 |
| FI962281A (fi) | 1997-12-01 |
| FI962281A0 (fi) | 1996-05-31 |
| US6544384B2 (en) | 2003-04-08 |
| SE0400568L (sv) | 2004-03-08 |
| US20020017370A1 (en) | 2002-02-14 |
| SE1150802A1 (sv) | 2011-09-06 |
| FI20060245A (fi) | 2006-03-16 |
| SE522853C2 (sv) | 2004-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Ref document number: 120649 Country of ref document: FI |
|
| MD | Opposition filed |
Opponent name: METSO FIBER KARLSTAD AB |
|
| RF | Appeal filed | ||
| RF | Appeal filed |