CA1078558A - Process for producing bleached mechanical pulp having high strength and brightness and with low discharge of oxygen consuming substances - Google Patents
Process for producing bleached mechanical pulp having high strength and brightness and with low discharge of oxygen consuming substancesInfo
- Publication number
- CA1078558A CA1078558A CA242,593A CA242593A CA1078558A CA 1078558 A CA1078558 A CA 1078558A CA 242593 A CA242593 A CA 242593A CA 1078558 A CA1078558 A CA 1078558A
- Authority
- CA
- Canada
- Prior art keywords
- peroxide
- bleaching
- softening
- pulp
- wood
- 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
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 title abstract description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract description 5
- 239000001301 oxygen Substances 0.000 title abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 title abstract description 5
- 238000004061 bleaching Methods 0.000 claims abstract description 42
- 150000002978 peroxides Chemical class 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000012978 lignocellulosic material Substances 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 4
- 150000004679 hydroxides Chemical class 0.000 claims description 2
- 239000002023 wood Substances 0.000 abstract description 21
- 239000007844 bleaching agent Substances 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000002738 chelating agent Substances 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000000536 complexating effect Effects 0.000 abstract description 2
- 238000012993 chemical processing Methods 0.000 abstract 1
- 239000008139 complexing agent Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000003513 alkali Substances 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000011121 hardwood Substances 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000040710 Chela Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 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
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 carbohydrate acids Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 229960001484 edetic acid Drugs 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- APVPOHHVBBYQAV-UHFFFAOYSA-N n-(4-aminophenyl)sulfonyloctadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 APVPOHHVBBYQAV-UHFFFAOYSA-N 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7500843A SE387977B (sv) | 1975-01-27 | 1975-01-27 | Sett att framstella blekt, mekanisk massa med hog styrka och ljushet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1078558A true CA1078558A (en) | 1980-06-03 |
Family
ID=20323502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA242,593A Expired CA1078558A (en) | 1975-01-27 | 1975-12-24 | Process for producing bleached mechanical pulp having high strength and brightness and with low discharge of oxygen consuming substances |
Country Status (7)
| Country | Link |
|---|---|
| CA (1) | CA1078558A (enrdf_load_stackoverflow) |
| DE (1) | DE2601380C2 (enrdf_load_stackoverflow) |
| FI (1) | FI760103A7 (enrdf_load_stackoverflow) |
| FR (1) | FR2298642A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1053387B (enrdf_load_stackoverflow) |
| NO (1) | NO760232L (enrdf_load_stackoverflow) |
| SE (1) | SE387977B (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8048263B2 (en) | 2001-07-19 | 2011-11-01 | Andritz Inc. | Four stage alkaline peroxide mechanical pulpings |
| US8216423B2 (en) | 2001-07-19 | 2012-07-10 | Andritz Inc. | Multi-stage AP mechanical pulping with refiner blow line treatment |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE452346C (sv) * | 1982-12-17 | 1990-03-26 | Sunds Defibrator | Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg |
| FR2661431B1 (fr) * | 1990-04-30 | 1992-07-17 | Atochem | Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement. |
| FR2661430B1 (fr) * | 1990-04-30 | 1992-07-17 | Atochem | Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement. |
| DE10234833A1 (de) * | 2002-07-31 | 2004-02-12 | Stora Enso Publication Paper Gmbh & Co. Kg | Verfahren zum Aufschluss von Altholz |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| GB838893A (en) * | 1957-04-05 | 1960-06-22 | Degussa | A process for the production of mechanical wood pulp and newsprint produced therefrom |
| GB846232A (en) * | 1958-01-14 | 1960-08-31 | Hawailan Dev Company Ltd | Improvements in and relating to paper-making pulp |
| FR1277371A (fr) * | 1960-10-19 | 1961-12-01 | Papeteries De Clairefontaine | Procédé et appareillage pour la fabrication de pâte à papier à partir de déchets de scierie |
| SE341322B (enrdf_load_stackoverflow) * | 1968-04-02 | 1971-12-20 | Defibrator Ab | |
| BE792031A (fr) * | 1971-12-14 | 1973-03-16 | Mo Och Domsjoe Ab | Procede pour la preparation de pulpes mecaniques |
| JP2014197074A (ja) * | 2013-03-29 | 2014-10-16 | ブラザー工業株式会社 | 定着装置 |
-
1975
- 1975-01-27 SE SE7500843A patent/SE387977B/xx unknown
- 1975-12-24 CA CA242,593A patent/CA1078558A/en not_active Expired
-
1976
- 1976-01-15 DE DE2601380A patent/DE2601380C2/de not_active Expired
- 1976-01-19 FI FI760103A patent/FI760103A7/fi not_active Application Discontinuation
- 1976-01-20 IT IT47704/76A patent/IT1053387B/it active
- 1976-01-21 FR FR7601510A patent/FR2298642A1/fr active Granted
- 1976-01-26 NO NO760232A patent/NO760232L/no unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8048263B2 (en) | 2001-07-19 | 2011-11-01 | Andritz Inc. | Four stage alkaline peroxide mechanical pulpings |
| US8216423B2 (en) | 2001-07-19 | 2012-07-10 | Andritz Inc. | Multi-stage AP mechanical pulping with refiner blow line treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| NO760232L (enrdf_load_stackoverflow) | 1976-07-28 |
| FR2298642A1 (fr) | 1976-08-20 |
| SE7500843L (sv) | 1976-07-28 |
| FR2298642B1 (enrdf_load_stackoverflow) | 1981-10-23 |
| IT1053387B (it) | 1981-08-31 |
| DE2601380A1 (de) | 1976-07-29 |
| DE2601380C2 (de) | 1984-03-15 |
| FI760103A7 (enrdf_load_stackoverflow) | 1976-07-28 |
| SE387977B (sv) | 1976-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |