CA2036311A1 - Methode pour l'obtention de pate a partir de matieres lignocellulosiques - Google Patents
Methode pour l'obtention de pate a partir de matieres lignocellulosiquesInfo
- Publication number
- CA2036311A1 CA2036311A1 CA002036311A CA2036311A CA2036311A1 CA 2036311 A1 CA2036311 A1 CA 2036311A1 CA 002036311 A CA002036311 A CA 002036311A CA 2036311 A CA2036311 A CA 2036311A CA 2036311 A1 CA2036311 A1 CA 2036311A1
- Authority
- CA
- Canada
- Prior art keywords
- alkali
- pulp
- extraction step
- pulping
- alkali extraction
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000008569 process Effects 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 title claims abstract description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 72
- 239000003513 alkali Substances 0.000 claims abstract description 42
- 238000000605 extraction Methods 0.000 claims abstract description 40
- 229920005610 lignin Polymers 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000004537 pulping Methods 0.000 claims description 35
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 20
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 239000002023 wood Substances 0.000 description 7
- 238000004061 bleaching Methods 0.000 description 6
- 239000007844 bleaching agent Substances 0.000 description 6
- 229920000875 Dissolving pulp Polymers 0.000 description 5
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 5
- 150000004056 anthraquinones Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 239000003265 pulping liquor Substances 0.000 description 4
- 244000166124 Eucalyptus globulus Species 0.000 description 3
- 229920002488 Hemicellulose Polymers 0.000 description 3
- YAZJBJXUPFNJSH-UHFFFAOYSA-N anthracene-9,10-dione;sulfurous acid Chemical compound OS(O)=O.C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 YAZJBJXUPFNJSH-UHFFFAOYSA-N 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
- 101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000993444 Acacia mearnsii Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 244000034068 Elaeocarpus grandis Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 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
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000000051 wattle Anatomy 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
-
- 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
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA901031 | 1990-02-12 | ||
| ZA90/1031 | 1990-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2036311A1 true CA2036311A1 (fr) | 1991-08-13 |
Family
ID=25580010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002036311A Abandoned CA2036311A1 (fr) | 1990-02-12 | 1991-02-12 | Methode pour l'obtention de pate a partir de matieres lignocellulosiques |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0442806A1 (fr) |
| AU (1) | AU643746B2 (fr) |
| BR (2) | BR9100565A (fr) |
| CA (1) | CA2036311A1 (fr) |
| FI (1) | FI910655A (fr) |
| MW (1) | MW191A1 (fr) |
| NZ (1) | NZ237098A (fr) |
| PT (1) | PT96722A (fr) |
| RU (1) | RU2037594C1 (fr) |
| ZW (1) | ZW1191A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8182650B2 (en) | 2005-05-24 | 2012-05-22 | International Paper Company | Modified Kraft fibers |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6057438A (en) * | 1996-10-11 | 2000-05-02 | Eastman Chemical Company | Process for the co-production of dissolving-grade pulp and xylan |
| AU9778398A (en) * | 1997-10-01 | 1999-04-23 | Weyerhaeuser Company | Cellulose treatment and the resulting product |
| KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
| CN104345126B (zh) * | 2014-09-23 | 2016-02-17 | 周栋 | 一种快速评价楹木硫酸盐法制浆工艺的方法 |
| CN104330525B (zh) * | 2014-09-24 | 2016-03-23 | 梁朔 | 一种快速评价桉木烧碱蒽醌法制浆工艺的方法 |
| EP3960771A1 (fr) | 2014-11-12 | 2022-03-02 | Renmatix, Inc. | Procédé de coalescence d'une substance |
| SE538752C2 (en) * | 2014-11-21 | 2016-11-08 | Innventia Ab | Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp |
| GB2534589A (en) * | 2015-01-28 | 2016-08-03 | Innovia Films Ltd | Process |
| SG10201503723TA (en) * | 2015-05-12 | 2016-12-29 | Pt Sateri Viscose Internat | Dissolving Pulp |
| FI130070B (fi) * | 2018-03-07 | 2023-01-31 | Andritz Oy | Menetelmä liukosellun valmistamiseksi |
| FI130568B (en) | 2020-07-06 | 2023-11-21 | Amppc Finland Oy | COOKING METHOD |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2301314A (en) * | 1935-02-16 | 1942-11-10 | Univ Minnesota Board Of Regent | Process of making alpha cellulose |
-
1991
- 1991-02-08 PT PT96722A patent/PT96722A/pt not_active Application Discontinuation
- 1991-02-08 BR BR919100565A patent/BR9100565A/pt unknown
- 1991-02-11 FI FI910655A patent/FI910655A/fi unknown
- 1991-02-11 RU SU914894714A patent/RU2037594C1/ru active
- 1991-02-11 ZW ZW11/91A patent/ZW1191A1/xx unknown
- 1991-02-12 NZ NZ237098A patent/NZ237098A/en unknown
- 1991-02-12 CA CA002036311A patent/CA2036311A1/fr not_active Abandoned
- 1991-02-12 MW MW01/91A patent/MW191A1/xx unknown
- 1991-02-12 EP EP91400355A patent/EP0442806A1/fr not_active Withdrawn
- 1991-02-12 AU AU70987/91A patent/AU643746B2/en not_active Ceased
- 1991-02-13 BR BR919100592A patent/BR9100592A/pt unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8182650B2 (en) | 2005-05-24 | 2012-05-22 | International Paper Company | Modified Kraft fibers |
| US8328983B2 (en) | 2005-05-24 | 2012-12-11 | International Paper Company | Modified kraft fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| PT96722A (pt) | 1991-10-31 |
| MW191A1 (en) | 1991-09-10 |
| EP0442806A1 (fr) | 1991-08-21 |
| BR9100592A (pt) | 1991-10-29 |
| NZ237098A (en) | 1994-01-26 |
| BR9100565A (pt) | 1991-10-29 |
| ZW1191A1 (en) | 1991-08-28 |
| AU643746B2 (en) | 1993-11-25 |
| RU2037594C1 (ru) | 1995-06-19 |
| FI910655A (fi) | 1991-08-13 |
| FI910655A0 (fi) | 1991-02-11 |
| AU7098791A (en) | 1991-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |