NO300511B1 - Fremgangsmåte for delignifisering av cellulosemasse - Google Patents
Fremgangsmåte for delignifisering av cellulosemasse Download PDFInfo
- Publication number
- NO300511B1 NO300511B1 NO930307A NO930307A NO300511B1 NO 300511 B1 NO300511 B1 NO 300511B1 NO 930307 A NO930307 A NO 930307A NO 930307 A NO930307 A NO 930307A NO 300511 B1 NO300511 B1 NO 300511B1
- Authority
- NO
- Norway
- Prior art keywords
- cellulose
- weight
- treatment
- dry
- acid
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title claims abstract description 82
- 239000001913 cellulose Substances 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000002253 acid Substances 0.000 claims abstract description 25
- 239000000243 solution Substances 0.000 claims abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 51
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 239000003929 acidic solution Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 3
- 238000011282 treatment Methods 0.000 abstract description 33
- 229920005610 lignin Polymers 0.000 abstract description 13
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 235000010980 cellulose Nutrition 0.000 description 63
- 238000004061 bleaching Methods 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 238000010411 cooking Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 description 1
- OKBMCNHOEMXPTM-UHFFFAOYSA-M potassium peroxymonosulfate Chemical compound [K+].OOS([O-])(=O)=O OKBMCNHOEMXPTM-UHFFFAOYSA-M 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 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
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002025 wood fiber Substances 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
-
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- External Artificial Organs (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Unknown Constitution (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Bakery Products And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI920192A IT1258844B (it) | 1992-01-31 | 1992-01-31 | Procedimento per la delignificazione di cellulosa grezza |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO930307D0 NO930307D0 (no) | 1993-01-29 |
| NO930307L NO930307L (no) | 1993-08-02 |
| NO300511B1 true NO300511B1 (no) | 1997-06-09 |
Family
ID=11361763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO930307A NO300511B1 (no) | 1992-01-31 | 1993-01-29 | Fremgangsmåte for delignifisering av cellulosemasse |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5587049A (cs) |
| EP (1) | EP0553649B1 (cs) |
| JP (1) | JP3325324B2 (cs) |
| AT (1) | ATE143073T1 (cs) |
| CA (1) | CA2088281A1 (cs) |
| CZ (1) | CZ282570B6 (cs) |
| DE (1) | DE69304723T2 (cs) |
| FI (1) | FI111386B (cs) |
| HR (1) | HRP930060B1 (cs) |
| HU (1) | HU216143B (cs) |
| IT (1) | IT1258844B (cs) |
| NO (1) | NO300511B1 (cs) |
| PL (1) | PL181248B1 (cs) |
| SI (1) | SI9300044B (cs) |
| SK (1) | SK281308B6 (cs) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19704054C2 (de) | 1997-02-04 | 2000-08-10 | Stockhausen Chem Fab Gmbh | Verfahren zur Herstellung von Faserstoffen mit verbesserten Eigenschaften |
| CN100392179C (zh) * | 1999-10-15 | 2008-06-04 | 卡吉尔公司 | 来自植物种子的纤维和其用途 |
| SE525064C2 (sv) * | 2003-04-17 | 2004-11-23 | Kvaerner Pulping Tech | Metod för impregnering av flis med sur behandlingsvätska i samband med sulfatkokning av cellulosamassa |
| JP4967451B2 (ja) | 2006-05-17 | 2012-07-04 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
| JP4997905B2 (ja) * | 2006-10-10 | 2012-08-15 | 三菱瓦斯化学株式会社 | 印刷用塗被紙の製造方法 |
| CN115044178B (zh) * | 2022-05-05 | 2023-05-26 | 保定盖尔医疗科技有限公司 | 一种香蒲草长纤维/聚乳酸复合材料及其制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404061A (en) * | 1981-08-17 | 1983-09-13 | International Paper Company | Bleaching of lignocellulosic materials with monopersulfuric acid or its salts |
| US4552616A (en) * | 1982-10-20 | 1985-11-12 | New Fibers International Inc. | Pulping process pretreatment using a lower alkanolamine in the presence of ammonium hydroxide |
| US5004523A (en) * | 1989-03-30 | 1991-04-02 | The United States Of America As Represented By The Secretary Of Agriculture | Delignification of lignocellulosic materials with monoperoxysulfuric acid |
| FI82079C (fi) * | 1989-04-27 | 1993-05-11 | Poeyry Jaakko & Co Oy | Foerfarande och anordning foer kontinuerlig kokning av cellulosa |
| US5091054A (en) * | 1989-08-18 | 1992-02-25 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic |
| 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 |
-
1992
- 1992-01-31 IT ITMI920192A patent/IT1258844B/it active IP Right Grant
-
1993
- 1993-01-14 EP EP93100468A patent/EP0553649B1/en not_active Expired - Lifetime
- 1993-01-14 DE DE69304723T patent/DE69304723T2/de not_active Expired - Fee Related
- 1993-01-14 AT AT93100468T patent/ATE143073T1/de not_active IP Right Cessation
- 1993-01-28 CA CA002088281A patent/CA2088281A1/en not_active Abandoned
- 1993-01-28 JP JP01281093A patent/JP3325324B2/ja not_active Expired - Fee Related
- 1993-01-28 PL PL93297562A patent/PL181248B1/pl unknown
- 1993-01-28 SI SI9300044A patent/SI9300044B/sl not_active IP Right Cessation
- 1993-01-29 HR HRMI92A000192A patent/HRP930060B1/xx not_active IP Right Cessation
- 1993-01-29 SK SK47-93A patent/SK281308B6/sk unknown
- 1993-01-29 NO NO930307A patent/NO300511B1/no not_active IP Right Cessation
- 1993-01-29 FI FI930412A patent/FI111386B/fi not_active IP Right Cessation
- 1993-01-29 CZ CZ93108A patent/CZ282570B6/cs not_active IP Right Cessation
- 1993-01-29 HU HUP9300246A patent/HU216143B/hu not_active IP Right Cessation
-
1994
- 1994-04-08 US US08/225,353 patent/US5587049A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| SI9300044B (en) | 2001-02-28 |
| SK4793A3 (en) | 1993-09-09 |
| PL297562A1 (en) | 1993-08-23 |
| PL181248B1 (pl) | 2001-06-29 |
| JPH05247866A (ja) | 1993-09-24 |
| HU216143B (hu) | 1999-04-28 |
| SK281308B6 (sk) | 2001-02-12 |
| NO930307D0 (no) | 1993-01-29 |
| DE69304723D1 (de) | 1996-10-24 |
| HRP930060A2 (en) | 1994-08-31 |
| EP0553649B1 (en) | 1996-09-18 |
| SI9300044A (en) | 1993-09-30 |
| CZ282570B6 (cs) | 1997-08-13 |
| HRP930060B1 (en) | 1999-06-30 |
| ITMI920192A0 (it) | 1992-01-31 |
| FI930412A0 (fi) | 1993-01-29 |
| CZ10893A3 (en) | 1994-02-16 |
| HU9300246D0 (en) | 1993-09-28 |
| IT1258844B (it) | 1996-02-29 |
| DE69304723T2 (de) | 1997-01-30 |
| ITMI920192A1 (it) | 1993-07-31 |
| FI111386B (fi) | 2003-07-15 |
| HUT67451A (en) | 1995-04-28 |
| EP0553649A1 (en) | 1993-08-04 |
| CA2088281A1 (en) | 1993-08-01 |
| NO930307L (no) | 1993-08-02 |
| US5587049A (en) | 1996-12-24 |
| FI930412L (fi) | 1993-08-01 |
| JP3325324B2 (ja) | 2002-09-17 |
| ATE143073T1 (de) | 1996-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |