SE534004C2 - Förfarande för framställning av kemimekanisk massa - Google Patents
Förfarande för framställning av kemimekanisk massa Download PDFInfo
- Publication number
- SE534004C2 SE534004C2 SE0801296A SE0801296A SE534004C2 SE 534004 C2 SE534004 C2 SE 534004C2 SE 0801296 A SE0801296 A SE 0801296A SE 0801296 A SE0801296 A SE 0801296A SE 534004 C2 SE534004 C2 SE 534004C2
- Authority
- SE
- Sweden
- Prior art keywords
- ice
- impregnation
- pulp
- temperature
- impregnation solution
- Prior art date
Links
- 239000000126 substance Substances 0.000 title claims description 29
- 229920001131 Pulp (paper) Polymers 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000005470 impregnation Methods 0.000 claims description 74
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 38
- 239000000243 solution Substances 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 24
- 239000002023 wood Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 238000010025 steaming Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- -1 sodium hydroxide Chemical class 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 235000010265 sodium sulphite Nutrition 0.000 claims description 2
- 238000010411 cooking Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 49
- 239000003513 alkali Substances 0.000 description 21
- 241000183024 Populus tremula Species 0.000 description 16
- 238000007670 refining Methods 0.000 description 11
- 239000000123 paper Substances 0.000 description 9
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 8
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 235000018185 Betula X alpestris Nutrition 0.000 description 6
- 235000018212 Betula X uliginosa Nutrition 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000011121 hardwood Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 241000218657 Picea Species 0.000 description 4
- 241000219000 Populus Species 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 241000219429 Betula Species 0.000 description 3
- 235000003932 Betula Nutrition 0.000 description 3
- 241000218978 Populus deltoides Species 0.000 description 3
- 240000004923 Populus tremuloides Species 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010297 mechanical methods and process Methods 0.000 description 3
- 230000005226 mechanical processes and functions Effects 0.000 description 3
- 239000011122 softwood Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 235000011263 Populus tremuloides Nutrition 0.000 description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 2
- 229930013930 alkaloid Natural products 0.000 description 2
- 150000003797 alkaloid derivatives Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000006277 sulfonation reaction Methods 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- PDBXHPORMXSXKO-UHFFFAOYSA-N 8-benzyl-7-[2-[ethyl(2-hydroxyethyl)amino]ethyl]-1,3-dimethylpurine-2,6-dione;hydron;chloride Chemical compound Cl.N=1C=2N(C)C(=O)N(C)C(=O)C=2N(CCN(CCO)CC)C=1CC1=CC=CC=C1 PDBXHPORMXSXKO-UHFFFAOYSA-N 0.000 description 1
- 244000283070 Abies balsamea Species 0.000 description 1
- 241000219430 Betula pendula Species 0.000 description 1
- 241001520764 Betula pubescens Species 0.000 description 1
- 240000000572 Blumea balsamifera Species 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 241000486846 Pheosia tremula Species 0.000 description 1
- 235000008124 Picea excelsa Nutrition 0.000 description 1
- 235000005205 Pinus Nutrition 0.000 description 1
- 241000218602 Pinus <genus> Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241000202951 Populus grandidentata Species 0.000 description 1
- 241000768229 Populus heterophylla Species 0.000 description 1
- 241001278099 Populus maximowiczii Species 0.000 description 1
- 241000217825 Populus tremula x Populus tremuloides Species 0.000 description 1
- 241000218976 Populus trichocarpa Species 0.000 description 1
- 241000218977 Populus trichocarpa x Populus deltoides Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 241000062949 Tremula Species 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010353 genetic engineering Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- VXYRWKSIAWIQMG-UHFFFAOYSA-K manganese(2+) N-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate triphenylstannyl acetate Chemical compound [Mn++].[S-]C(=S)NCCNC([S-])=S.CC(=O)O[Sn](c1ccccc1)(c1ccccc1)c1ccccc1 VXYRWKSIAWIQMG-UHFFFAOYSA-K 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
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
-
- 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
-
- 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
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/10—Physical methods for facilitating impregnation
-
- 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
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20051251A FI126694B (fi) | 2005-12-02 | 2005-12-02 | Kemimekaaninen massa ja menetelmä sen valmistamiseksi |
| PCT/FI2006/000399 WO2007063171A1 (fr) | 2005-12-02 | 2006-12-01 | Procédé de production d’une pâte chimico-mécanique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE0801296L SE0801296L (sv) | 2008-08-22 |
| SE534004C2 true SE534004C2 (sv) | 2011-03-29 |
Family
ID=35510621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0801296A SE534004C2 (sv) | 2005-12-02 | 2006-12-01 | Förfarande för framställning av kemimekanisk massa |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JP4823317B2 (fr) |
| CN (2) | CN104674583A (fr) |
| AR (1) | AR058265A1 (fr) |
| AU (1) | AU2006319052B2 (fr) |
| BR (1) | BRPI0619143B1 (fr) |
| CA (1) | CA2631767C (fr) |
| FI (1) | FI126694B (fr) |
| RU (1) | RU2401350C2 (fr) |
| SE (1) | SE534004C2 (fr) |
| UY (1) | UY29982A1 (fr) |
| WO (1) | WO2007063171A1 (fr) |
| ZA (1) | ZA200804758B (fr) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8262851B2 (en) | 2006-08-10 | 2012-09-11 | Andritz Inc. | Processes and systems for the pulping of lignocellulosic materials |
| US20090038767A1 (en) * | 2007-08-07 | 2009-02-12 | Andritz Inc. | Method and System for Semi-Chemical Pulping |
| US8282773B2 (en) * | 2007-12-14 | 2012-10-09 | Andritz Inc. | Method and system to enhance fiber development by addition of treatment agent during mechanical pulping |
| US20100263813A1 (en) * | 2009-04-21 | 2010-10-21 | Andritz Inc. | Green liquor pretreatment of lignocellulosic material |
| RU2493000C2 (ru) * | 2011-09-08 | 2013-09-20 | Роман Александрович Веселовский | Модификатор лигноцеллюлозных материалов и способ изготовления композитных изделий из лигноцеллюлозных материалов |
| CN102493249B (zh) * | 2011-11-18 | 2013-08-14 | 天津科技大学 | 一种提高马尾松漂白热磨机械浆松厚度并降低废液污染负荷的漂白方法 |
| CN104594089B (zh) * | 2014-12-22 | 2017-05-17 | 金东纸业（江苏）股份有限公司 | 化机浆的制备方法及装置 |
| CN104695260B (zh) * | 2015-02-15 | 2016-06-15 | 李风志 | 一种离解改性植物纤维清洁制浆工艺 |
| CN104846678B (zh) * | 2015-05-08 | 2017-10-24 | 白博 | 一种全棉秸秆化机浆的色素分解和色素提取生产工艺 |
| CN105133408A (zh) * | 2015-09-01 | 2015-12-09 | 安庆市新宜纸业有限公司 | 一种纸浆的生产工艺 |
| EP3333312B1 (fr) | 2016-12-08 | 2019-09-18 | Valmet AB | Procédé et système de traitement de biomasse |
| EP3333313B1 (fr) | 2016-12-08 | 2019-10-16 | Valmet AB | Procédé de traitement de biomasse et dispositif de traitement de biomasse |
| EP3333311B1 (fr) * | 2016-12-08 | 2019-09-25 | Valmet AB | Procédé d'imprégnation de biomasse et dispositif d'imprégnation de biomasse |
| CA3117671A1 (fr) | 2018-10-24 | 2020-04-30 | IFG Technologies, LLC | Processus, procedes et systemes pour une explosion cellulaire chimio-mecanique et produits solides et liquides fabriques a l'aide de ceux-ci |
| CN111549552B (zh) * | 2020-05-25 | 2022-06-14 | 广西大学 | 一种废水碱回收循环利用的高得率化学机械浆制浆方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3795574A (en) * | 1971-07-27 | 1974-03-05 | Int Paper Canada | Impregnation of wood with a formaldehyde free alkaline solution of sodium hydroxide at a ph between 12.4 and 13 |
| SE436368B (sv) * | 1979-01-12 | 1984-12-03 | Sunds Defibrator | Sett att framstella blekta, mekaniska, kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial |
| JPS56148987A (en) * | 1980-04-18 | 1981-11-18 | Modookemechitsukusu Ab | Purification of cellulose pulp |
| CA1240456A (fr) * | 1983-10-20 | 1988-08-16 | Kamyr, Inc. | Preparation de la pate mecanique |
| SE8501246L (sv) * | 1985-03-13 | 1986-09-14 | Eka Ab | Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering |
| NZ211684A (en) * | 1985-04-04 | 1989-07-27 | Caxton Paper Ltd | Manufacture of cellulose pulp: second digestion step follows initial digestion and refining steps |
| US5002635A (en) * | 1985-09-20 | 1991-03-26 | Scott Paper Company | Method for producing pulp using pre-treatment with stabilizers and refining |
| US4743338A (en) * | 1986-05-19 | 1988-05-10 | Kamyr, Inc. | Method of removing air from lignocellulosic material by passing the material through conduit paths of different diameters |
| SE458690B (sv) * | 1986-11-06 | 1989-04-24 | Sunds Defibrator | Saett att framstaella mekanisk massa fraan lignocellulosahaltigt material i styckeform med en laengd i fiberriktningen av minst 200 mm |
| CA1230208A (fr) * | 1987-03-24 | 1987-12-15 | Bohuslav V. Kokta | Preparation de la pate a papier |
| CA2069984C (fr) * | 1992-05-29 | 1999-03-09 | Roland Gilbert | Methode d'extraction de preservatifs chimiques du bois par detente a la pression atmospherique |
| EP1161592B1 (fr) * | 1999-02-15 | 2004-09-22 | Kiram AB | Procede de cuisson a l'oxygene de materiau lignocellulosique et de recuperation d'agents chimiques de cuisson |
| CA2318027C (fr) * | 1999-09-13 | 2008-07-08 | Andritz-Ahlstrom Inc. | Traitement de la pate a papier avec un additif ameliorant le rendement ou la resistance |
-
2005
- 2005-12-02 FI FI20051251A patent/FI126694B/fi active IP Right Grant
-
2006
- 2006-11-30 UY UY29982A patent/UY29982A1/es active IP Right Grant
- 2006-12-01 CN CN201510047854.XA patent/CN104674583A/zh active Pending
- 2006-12-01 SE SE0801296A patent/SE534004C2/sv not_active IP Right Cessation
- 2006-12-01 JP JP2008542785A patent/JP4823317B2/ja not_active Expired - Fee Related
- 2006-12-01 CA CA2631767A patent/CA2631767C/fr active Active
- 2006-12-01 AR ARP060105313A patent/AR058265A1/es active IP Right Grant
- 2006-12-01 AU AU2006319052A patent/AU2006319052B2/en not_active Ceased
- 2006-12-01 WO PCT/FI2006/000399 patent/WO2007063171A1/fr active Application Filing
- 2006-12-01 CN CNA2006800451546A patent/CN101341288A/zh active Pending
- 2006-12-01 BR BRPI0619143-6A patent/BRPI0619143B1/pt not_active IP Right Cessation
- 2006-12-01 RU RU2008125038/12A patent/RU2401350C2/ru active
-
2008
- 2008-06-02 ZA ZA200804758A patent/ZA200804758B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0619143A2 (pt) | 2011-09-13 |
| RU2008125038A (ru) | 2010-01-10 |
| AU2006319052A1 (en) | 2007-06-07 |
| FI126694B (fi) | 2017-04-13 |
| WO2007063171A1 (fr) | 2007-06-07 |
| SE0801296L (sv) | 2008-08-22 |
| CN101341288A (zh) | 2009-01-07 |
| RU2401350C2 (ru) | 2010-10-10 |
| JP2009517560A (ja) | 2009-04-30 |
| UY29982A1 (es) | 2007-06-29 |
| AU2006319052B2 (en) | 2011-03-24 |
| CN104674583A (zh) | 2015-06-03 |
| FI20051251A (fi) | 2007-06-03 |
| JP4823317B2 (ja) | 2011-11-24 |
| CA2631767C (fr) | 2014-08-26 |
| AR058265A1 (es) | 2008-01-30 |
| BRPI0619143B1 (pt) | 2017-10-24 |
| FI20051251A0 (fi) | 2005-12-02 |
| ZA200804758B (en) | 2009-09-30 |
| CA2631767A1 (fr) | 2007-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE534004C2 (sv) | Förfarande för framställning av kemimekanisk massa | |
| CA2821871C (fr) | Procede et appareil pour la separation de fibres cellulosiques, procede pour le traitement de pates fibreuses pour un procede de fabrication de papier, procedes pour le sechage depapier et de produits papetiers avec des fibres separees | |
| EP1541753B1 (fr) | Blanchiment en raffineur avec hydroxyde ou oxyde de magnesium et ions de perhydroxyles | |
| CA2806600C (fr) | Procede de production d'une pate a indice d'egouttage eleve | |
| RU2391453C2 (ru) | Способ получения механической древесной массы, пригодной для изготовления бумаги или картона | |
| EP3011108B1 (fr) | Produit fibreux et procede de fabrication d'une bande de matiere fibreuse | |
| SE462222B (sv) | Kemitermomekaniskt foerfarande, vari loevvedsflis utsaetts foer en kemisk tvaastegsbehandling foere defibrering | |
| JP6796148B2 (ja) | 高分子量リグニンの製造方法及びシステム | |
| JP2009540132A (ja) | パルプの製造方法 | |
| FI127062B (en) | Method and apparatus for mass production | |
| CA2869215A1 (fr) | Procede pour l'elimination de matiere non fibreuse solide a partir d'une pate | |
| WO2017204723A1 (fr) | Procédé de fourniture d'une composition de fibres de papier | |
| Bäckström et al. | Effect of primary fines on cooking and TCF-bleaching | |
| FI123107B (fi) | Menetelmä ja laitteisto uuteaineiden poistamiseksi kuitupitoisesta suspensiosta | |
| Lamminen | Understanding the fines in BCTMP process | |
| JP6280417B2 (ja) | 製紙用パルプ及びその製造方法 | |
| JP6707460B2 (ja) | 漂白された木材繊維物質の製造方法 | |
| CN117881845A (zh) | 一种方法、其用途、浆料组合物和系统 | |
| JP2024501377A (ja) | 木材を原料とする製品の製造方法 | |
| Shukry et al. | Pulping of Casuarina glauca with ASAM-An environmental friendly process | |
| CN117795155A (zh) | 方法、其用途，浆料组合物和系统 | |
| Adusumalli et al. | ANALYSIS OF WOOD PULP AFTER COOKING AND BLEACHING | |
| POTŮČEK et al. | Displacement washing of kraft pulp with aqueous solutions of surfactants | |
| Udayshankar et al. | APMP Process-Key to Optical Properties of Mechanical Bagasse Pulp | |
| Alekhina | The Impact of Aspen and Alder on the Quality of NHBK |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |