SE455203B - Forfarande for styrning av peroxidblekning av massa - Google Patents
Forfarande for styrning av peroxidblekning av massaInfo
- Publication number
- SE455203B SE455203B SE8604459A SE8604459A SE455203B SE 455203 B SE455203 B SE 455203B SE 8604459 A SE8604459 A SE 8604459A SE 8604459 A SE8604459 A SE 8604459A SE 455203 B SE455203 B SE 455203B
- Authority
- SE
- Sweden
- Prior art keywords
- bleaching
- stage
- pulp
- chemicals
- investment
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004061 bleaching Methods 0.000 claims abstract description 50
- 239000000126 substance Substances 0.000 claims abstract description 38
- 150000002978 peroxides Chemical class 0.000 claims abstract description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 5
- 230000000930 thermomechanical effect Effects 0.000 claims abstract 2
- 239000003513 alkali Substances 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims 1
- 239000007844 bleaching agent Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 1
- 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 1
- 241001229135 Nassa Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000183024 Populus tremula Species 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 241000656145 Thyrsites atun Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 101150016402 fsn-1 gene Proteins 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000004460 silage Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000005406 washing Methods 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Developing Agents For Electrophotography (AREA)
- Dental Preparations (AREA)
- Photoreceptors In Electrophotography (AREA)
- Stereophonic System (AREA)
- Synchronizing For Television (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8604459A SE455203B (sv) | 1986-10-20 | 1986-10-20 | Forfarande for styrning av peroxidblekning av massa |
| AT87907030T ATE84582T1 (de) | 1986-10-20 | 1987-10-14 | Regelung der peroxidbleiche verschiedener papierfaserstoffe. |
| JP62506507A JPS63502522A (ja) | 1986-10-20 | 1987-10-14 | 各種パルプの過酸化物による漂白の制御 |
| BR8707508A BR8707508A (pt) | 1986-10-20 | 1987-10-14 | Controle do alvejamento com peroxido de diferentes polpas |
| DE8787907030T DE3783604T2 (de) | 1986-10-20 | 1987-10-14 | Regelung der peroxidbleiche verschiedener papierfaserstoffe. |
| EP87907030A EP0287626B1 (en) | 1986-10-20 | 1987-10-14 | Control of peroxide bleaching of different pulps |
| US07/210,281 US4878998A (en) | 1986-10-20 | 1987-10-14 | Method for controlling peroxide bleaching in a plurality of bleaching stages |
| PCT/SE1987/000467 WO1988002796A1 (en) | 1986-10-20 | 1987-10-14 | Control of peroxide bleaching of different pulpes |
| CA000549679A CA1277109C (en) | 1986-10-20 | 1987-10-20 | Control of peroxide bleaching of different pulps |
| FI882769A FI89517C (fi) | 1986-10-20 | 1988-06-10 | Styrning av peroxidblekning av olika traemassor |
| NO882681A NO165206C (no) | 1986-10-20 | 1988-06-16 | Fremgangsmaate ved kontroll av peroksydbleking. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8604459A SE455203B (sv) | 1986-10-20 | 1986-10-20 | Forfarande for styrning av peroxidblekning av massa |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8604459D0 SE8604459D0 (sv) | 1986-10-20 |
| SE8604459L SE8604459L (sv) | 1988-04-21 |
| SE455203B true SE455203B (sv) | 1988-06-27 |
Family
ID=20366000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8604459A SE455203B (sv) | 1986-10-20 | 1986-10-20 | Forfarande for styrning av peroxidblekning av massa |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4878998A (pt) |
| EP (1) | EP0287626B1 (pt) |
| JP (1) | JPS63502522A (pt) |
| AT (1) | ATE84582T1 (pt) |
| BR (1) | BR8707508A (pt) |
| CA (1) | CA1277109C (pt) |
| DE (1) | DE3783604T2 (pt) |
| FI (1) | FI89517C (pt) |
| NO (1) | NO165206C (pt) |
| SE (1) | SE455203B (pt) |
| WO (1) | WO1988002796A1 (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2661431B1 (fr) * | 1990-04-30 | 1992-07-17 | Atochem | Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement. |
| US5118389A (en) * | 1990-07-06 | 1992-06-02 | Ici Canada Inc. | Two-stage peroxide bleaching process using different amounts of peroxide on different portions of mechanical pulp |
| FR2746091B1 (fr) * | 1996-03-18 | 1998-04-30 | Procede et installation de fourniture de peroxyde d'hydrogene a debit variable | |
| US6023065A (en) * | 1997-03-10 | 2000-02-08 | Alberta Research Council | Method and apparatus for monitoring and controlling characteristics of process effluents |
| US6153050A (en) * | 1998-03-24 | 2000-11-28 | Noranda Forest Inc. | Method and system for controlling the addition of bleaching reagents to obtain a substantially constant percentage of pulp delignification across the first bleaching/delignifying stage |
| CA2377775A1 (fr) * | 2002-03-18 | 2003-09-18 | Gilles Bouchard | Procede de fabrication de papier couche de grades cfs#3, cfs#4 et cgw #4 a partir de pate thermomecanique a bas indice d'egouttement et a haute blancheur |
| FI122238B (fi) * | 2006-02-09 | 2011-10-31 | Metso Automation Oy | Menetelmä ja laitteisto massasuspension kokonaisperoksidipitoisuuden määrittämiseksi |
| JP5471050B2 (ja) * | 2009-06-09 | 2014-04-16 | 三菱瓦斯化学株式会社 | Ｔｃｆ漂白方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3729375A (en) * | 1970-05-01 | 1973-04-24 | Int Paper Co | Meter for measuring brightness of bleached fibers and controlling the bleaching process |
| FI47786C (fi) * | 1972-02-28 | 1974-03-11 | Neste Oy | Menetelmä selluun kohdistuvan jatkuvan valkaisuprosessi automaattiseks i säätämiseksi. |
| US4013506A (en) * | 1974-07-22 | 1977-03-22 | Canadian International Paper Company | Method and apparatus for automatically and simultaneously controlling solution viscosity and brightness of a pulp during multi-stage bleaching |
| US4192708A (en) * | 1974-09-05 | 1980-03-11 | Mo Och Domsjo Aktiebolag | Method for controlling the addition of active chemical for delignifying and/or bleaching cellulose pulp suspended in a liquor containing chemicals reactive with the delignifying and/or bleaching chemical |
| SE384884C (sv) * | 1974-09-05 | 1986-04-14 | Mo Och Domsjoe Ab | Forfarande for reglering av tillforseln av reaktionskemikalier vid delignifiering och/eller blekning av massa |
| SE413684C (sv) * | 1974-09-23 | 1987-05-18 | Mo Och Domsjoe Ab | Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 % |
| SE415581B (sv) * | 1977-04-18 | 1980-10-13 | Mo Och Domsjoe Ab | Forfarande for perocidblekning av hogutbytesmassa |
| SE452346C (sv) * | 1982-12-17 | 1990-03-26 | Sunds Defibrator | Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg |
| ATE39714T1 (de) * | 1985-02-15 | 1989-01-15 | Kamyr Ab | Mehrstufige peroxidbleiche einer mechanischen pulpe. |
-
1986
- 1986-10-20 SE SE8604459A patent/SE455203B/sv not_active IP Right Cessation
-
1987
- 1987-10-14 WO PCT/SE1987/000467 patent/WO1988002796A1/en not_active Ceased
- 1987-10-14 EP EP87907030A patent/EP0287626B1/en not_active Expired - Lifetime
- 1987-10-14 AT AT87907030T patent/ATE84582T1/de active
- 1987-10-14 US US07/210,281 patent/US4878998A/en not_active Expired - Fee Related
- 1987-10-14 JP JP62506507A patent/JPS63502522A/ja active Pending
- 1987-10-14 DE DE8787907030T patent/DE3783604T2/de not_active Expired - Fee Related
- 1987-10-14 BR BR8707508A patent/BR8707508A/pt not_active IP Right Cessation
- 1987-10-20 CA CA000549679A patent/CA1277109C/en not_active Expired - Lifetime
-
1988
- 1988-06-10 FI FI882769A patent/FI89517C/fi not_active IP Right Cessation
- 1988-06-16 NO NO882681A patent/NO165206C/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE8604459L (sv) | 1988-04-21 |
| SE8604459D0 (sv) | 1986-10-20 |
| NO165206C (no) | 1991-01-09 |
| BR8707508A (pt) | 1989-02-21 |
| FI89517C (fi) | 1993-10-11 |
| WO1988002796A1 (en) | 1988-04-21 |
| EP0287626B1 (en) | 1993-01-13 |
| NO882681L (no) | 1988-06-16 |
| NO165206B (no) | 1990-10-01 |
| ATE84582T1 (de) | 1993-01-15 |
| NO882681D0 (no) | 1988-06-16 |
| DE3783604T2 (de) | 1993-07-01 |
| EP0287626A1 (en) | 1988-10-26 |
| FI882769L (fi) | 1988-06-10 |
| JPS63502522A (ja) | 1988-09-22 |
| CA1277109C (en) | 1990-12-04 |
| DE3783604D1 (de) | 1993-02-25 |
| FI89517B (fi) | 1993-06-30 |
| US4878998A (en) | 1989-11-07 |
| FI882769A0 (fi) | 1988-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 8604459-1 Format of ref document f/p: F |
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| NUG | Patent has lapsed |