SE446993B - Forfarande for framstellning av blekt slipmassa - Google Patents
Forfarande for framstellning av blekt slipmassaInfo
- Publication number
- SE446993B SE446993B SE8005034A SE8005034A SE446993B SE 446993 B SE446993 B SE 446993B SE 8005034 A SE8005034 A SE 8005034A SE 8005034 A SE8005034 A SE 8005034A SE 446993 B SE446993 B SE 446993B
- Authority
- SE
- Sweden
- Prior art keywords
- spray water
- jug
- logs
- grinding
- pulp
- Prior art date
Links
- 238000000227 grinding Methods 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 101
- 239000007921 spray Substances 0.000 claims description 81
- 238000004061 bleaching Methods 0.000 claims description 53
- 239000000126 substance Substances 0.000 claims description 46
- 239000002023 wood Substances 0.000 claims description 27
- 239000004575 stone Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000012978 lignocellulosic material Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 description 28
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 26
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 15
- 229960003330 pentetic acid Drugs 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 9
- 235000019795 sodium metasilicate Nutrition 0.000 description 9
- 229910052911 sodium silicate Inorganic materials 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- 241000218657 Picea Species 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- 150000002978 peroxides Chemical class 0.000 description 6
- 235000019353 potassium silicate Nutrition 0.000 description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 239000008139 complexing agent Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 235000015096 spirit Nutrition 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013305 flexible fiber Substances 0.000 description 1
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009896 oxidative bleaching Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009895 reductive bleaching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- D21B1/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8005034A SE446993B (sv) | 1980-07-09 | 1980-07-09 | Forfarande for framstellning av blekt slipmassa |
| NZ197396A NZ197396A (en) | 1980-07-09 | 1981-06-11 | A method for manufacturing bleached groundwood pulp |
| AU71812/81A AU548676B2 (en) | 1980-07-09 | 1981-06-12 | Manufacturing bleached groundwood pulp |
| JP9370281A JPS5729689A (en) | 1980-07-09 | 1981-06-16 | Production of bleached ground pulp |
| CA000380790A CA1140305A (en) | 1980-07-09 | 1981-06-29 | Process for manufacturing bright and strong bleached groundwood pulp of uniform quality |
| FI812073A FI71173C (fi) | 1980-07-09 | 1981-07-01 | Foerfarande foer framstaellning av blekt slipmassa |
| NO812324A NO154640C (no) | 1980-07-09 | 1981-07-08 | Fremgangsmaate ved fremstilling av bleket slipmasse. |
| AT0302381A AT377293B (de) | 1980-07-09 | 1981-07-08 | Verfahren zur herstellung von gebleichtem holzschliff |
| DE3127163A DE3127163C2 (de) | 1980-07-09 | 1981-07-09 | Verfahren zur Herstellung eines gebleichten Holzschliffs aus einem gemahlenen, lignocellulosischen Material |
| FR8113469A FR2486555B1 (fr) | 1980-07-09 | 1981-07-09 | Procede de fabrication de pate de bois rape blanchie provenant de matieres lignocellulosiques |
| US06/667,314 US4578148A (en) | 1980-07-09 | 1984-11-01 | Process for manufacturing bright and strong bleached groundwood pulp of uniform quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8005034A SE446993B (sv) | 1980-07-09 | 1980-07-09 | Forfarande for framstellning av blekt slipmassa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8005034L SE8005034L (sv) | 1982-01-10 |
| SE446993B true SE446993B (sv) | 1986-10-20 |
Family
ID=20341398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8005034A SE446993B (sv) | 1980-07-09 | 1980-07-09 | Forfarande for framstellning av blekt slipmassa |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4578148A (de) |
| JP (1) | JPS5729689A (de) |
| AT (1) | AT377293B (de) |
| AU (1) | AU548676B2 (de) |
| CA (1) | CA1140305A (de) |
| DE (1) | DE3127163C2 (de) |
| FI (1) | FI71173C (de) |
| FR (1) | FR2486555B1 (de) |
| NO (1) | NO154640C (de) |
| NZ (1) | NZ197396A (de) |
| SE (1) | SE446993B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH656877A5 (de) * | 1981-11-27 | 1986-07-31 | Erba Farmitalia | Optisch aktive oder racemische prostaglandinderivate. |
| US5799882A (en) * | 1996-02-21 | 1998-09-01 | Klimpel; Richard R. | Hydroxy-carboxylic acid grinding aids |
| US6702921B2 (en) * | 2001-05-01 | 2004-03-09 | Ondeo Nalco Company | Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent |
| US20100224333A1 (en) * | 2009-03-09 | 2010-09-09 | Prasad Duggirala | Method and chemical composition to improve efficiency of mechanical pulp |
| US9932709B2 (en) | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
| CN109537337A (zh) * | 2018-07-16 | 2019-03-29 | 广西综改咨询服务有限公司 | 一种造纸用木材粉碎研磨装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE227064C (de) * | ||||
| US1633733A (en) * | 1925-03-21 | 1927-06-28 | Jr Frederick K Fish | Process and apparatus for manufacturing ground-wood pulp |
| US2050749A (en) * | 1933-07-25 | 1936-08-11 | Taylor Instrument Co | Pulp grinder temperature control system |
| FR925243A (fr) * | 1945-04-05 | 1947-08-28 | St Regis Paper Co | Perfectionnements apportés à la pâte blanchie de bois moulu et à ses procédés de fabrication |
| FR1204356A (fr) * | 1957-04-05 | 1960-01-26 | Degussa | Procédé de fabrication de pâte de bois mécanique |
| US3690568A (en) * | 1970-06-11 | 1972-09-12 | Koehring Waterous Ltd | Wood grinding |
| US4029543A (en) * | 1971-12-14 | 1977-06-14 | Mo Och Domsjo | Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor |
| US4017356A (en) * | 1973-05-22 | 1977-04-12 | Defibrator Ab | Apparatus and method for manufacturing wood pulp by grinding wood block material |
-
1980
- 1980-07-09 SE SE8005034A patent/SE446993B/sv not_active IP Right Cessation
-
1981
- 1981-06-11 NZ NZ197396A patent/NZ197396A/xx unknown
- 1981-06-12 AU AU71812/81A patent/AU548676B2/en not_active Ceased
- 1981-06-16 JP JP9370281A patent/JPS5729689A/ja active Pending
- 1981-06-29 CA CA000380790A patent/CA1140305A/en not_active Expired
- 1981-07-01 FI FI812073A patent/FI71173C/fi not_active IP Right Cessation
- 1981-07-08 NO NO812324A patent/NO154640C/no unknown
- 1981-07-08 AT AT0302381A patent/AT377293B/de not_active IP Right Cessation
- 1981-07-09 FR FR8113469A patent/FR2486555B1/fr not_active Expired
- 1981-07-09 DE DE3127163A patent/DE3127163C2/de not_active Expired
-
1984
- 1984-11-01 US US06/667,314 patent/US4578148A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU7181281A (en) | 1982-01-14 |
| AU548676B2 (en) | 1986-01-02 |
| FI71173C (fi) | 1986-11-24 |
| DE3127163A1 (de) | 1982-03-18 |
| FI71173B (fi) | 1986-08-14 |
| CA1140305A (en) | 1983-02-01 |
| ATA302381A (de) | 1984-07-15 |
| NZ197396A (en) | 1983-12-16 |
| US4578148A (en) | 1986-03-25 |
| NO154640B (no) | 1986-08-11 |
| NO154640C (no) | 1986-11-19 |
| FR2486555A1 (fr) | 1982-01-15 |
| AT377293B (de) | 1985-02-25 |
| NO812324L (no) | 1982-01-11 |
| FI812073L (fi) | 1982-01-10 |
| JPS5729689A (en) | 1982-02-17 |
| FR2486555B1 (fr) | 1986-09-12 |
| SE8005034L (sv) | 1982-01-10 |
| DE3127163C2 (de) | 1986-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8005034-7 Effective date: 19910211 Format of ref document f/p: F |