DE69121332T2 - Verfahren zur herstellung von kraftpulpe - Google Patents
Verfahren zur herstellung von kraftpulpeInfo
- Publication number
- DE69121332T2 DE69121332T2 DE69121332T DE69121332T DE69121332T2 DE 69121332 T2 DE69121332 T2 DE 69121332T2 DE 69121332 T DE69121332 T DE 69121332T DE 69121332 T DE69121332 T DE 69121332T DE 69121332 T2 DE69121332 T2 DE 69121332T2
- Authority
- DE
- Germany
- Prior art keywords
- cellulosic material
- cooking
- carried out
- temperature
- minutes
- 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.)
- Revoked
Links
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 101
- 238000010411 cooking Methods 0.000 claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000002655 kraft paper Substances 0.000 claims abstract description 13
- 229920005610 lignin Polymers 0.000 claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 48
- 102100030386 Granzyme A Human genes 0.000 claims description 23
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 claims description 23
- 239000011122 softwood Substances 0.000 claims description 3
- 239000011121 hardwood Substances 0.000 claims description 2
- 230000001476 alcoholic effect Effects 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 230000029087 digestion Effects 0.000 abstract description 10
- 238000005470 impregnation Methods 0.000 description 20
- 239000003513 alkali Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000002386 leaching Methods 0.000 description 14
- 239000002023 wood Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 9
- 230000004087 circulation Effects 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 238000004537 pulping Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-M hydrosulfide Chemical compound [SH-] RWSOTUBLDIXVET-UHFFFAOYSA-M 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- UNHKSXOTUHOTAB-UHFFFAOYSA-N sodium;sulfane Chemical compound [Na].S UNHKSXOTUHOTAB-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
Landscapes
- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Paper (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Holo Graphy (AREA)
- Nonmetallic Welding Materials (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
- Noodles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI900663A FI93866B (fi) | 1990-02-09 | 1990-02-09 | Menetelmä sulfaattimassan valmistamiseksi |
| PCT/FI1991/000043 WO1991012368A1 (en) | 1990-02-09 | 1991-02-11 | Process for preparing kraft pulp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69121332D1 DE69121332D1 (de) | 1996-09-19 |
| DE69121332T2 true DE69121332T2 (de) | 1997-03-13 |
Family
ID=8529860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69121332T Revoked DE69121332T2 (de) | 1990-02-09 | 1991-02-11 | Verfahren zur herstellung von kraftpulpe |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0468016B1 (no) |
| JP (1) | JP2900091B2 (no) |
| AT (1) | ATE141351T1 (no) |
| AU (1) | AU639304B2 (no) |
| BR (1) | BR9104333A (no) |
| CA (1) | CA2049322C (no) |
| DE (1) | DE69121332T2 (no) |
| ES (1) | ES2091319T3 (no) |
| FI (1) | FI93866B (no) |
| NO (1) | NO178935C (no) |
| NZ (1) | NZ236941A (no) |
| PT (1) | PT96713B (no) |
| WO (1) | WO1991012368A1 (no) |
| ZA (1) | ZA91958B (no) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE469842C (sv) * | 1992-01-21 | 1996-01-15 | Sunds Defibrator Ind Ab | Blekning av kemisk massa med peroxid |
| NZ247276A (en) * | 1992-04-06 | 1994-12-22 | Westvaco Corp | Production of papermaking fibre of low lignin content from recycled high lignin waste paper; mixtures with fresh pulp and products produced therefrom |
| FI970254A (fi) | 1997-01-22 | 1998-07-23 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan keittämiseksi |
| FI20002586A (fi) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Alkalinen eräkeittomenetelmä kuitumateriaalille |
| FI20002587A (fi) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Alkalinen keittomenetelmä kuitumateriaalille |
| KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
| AR091998A1 (es) | 2012-05-03 | 2015-03-18 | Annikki Gmbh | Procedimiento de preparacion de celulosa con baja concentracion de lignina |
| KR102143773B1 (ko) * | 2018-10-25 | 2020-08-12 | 한국세라믹기술원 | 리그노셀룰로오스 바이오매스를 이용한 부분결정성 활성탄의 제조방법 및 상기 부분결정성 활성탄을 이용한 슈퍼커패시터의 제조방법 |
| KR102157512B1 (ko) * | 2018-11-16 | 2020-09-18 | 한국세라믹기술원 | 리그노셀룰로오스 바이오매스를 이용한 구형의 다공성 활성탄 제조방법 및 이를 이용한 슈퍼커패시터의 제조방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE101369C1 (no) * | ||||
| US1687076A (en) * | 1927-10-12 | 1928-10-09 | Venning D Simons | Process for cooking wood chips by the alkaline process of pulp manufacture |
| US2639987A (en) * | 1947-07-09 | 1953-05-26 | Ass Pulp & Paper Mills | Two-stage pulping process |
| US4578149A (en) * | 1981-03-05 | 1986-03-25 | Fagerlund Bertil K E | Process for digesting cellulosic material with heat recovery |
-
1990
- 1990-02-09 FI FI900663A patent/FI93866B/fi not_active IP Right Cessation
-
1991
- 1991-01-30 NZ NZ236941A patent/NZ236941A/en unknown
- 1991-02-08 PT PT96713A patent/PT96713B/pt not_active IP Right Cessation
- 1991-02-08 ZA ZA91958A patent/ZA91958B/xx unknown
- 1991-02-11 DE DE69121332T patent/DE69121332T2/de not_active Revoked
- 1991-02-11 AU AU72189/91A patent/AU639304B2/en not_active Ceased
- 1991-02-11 JP JP3503756A patent/JP2900091B2/ja not_active Expired - Fee Related
- 1991-02-11 EP EP91903366A patent/EP0468016B1/en not_active Revoked
- 1991-02-11 ES ES91903366T patent/ES2091319T3/es not_active Expired - Lifetime
- 1991-02-11 BR BR919104333A patent/BR9104333A/pt not_active IP Right Cessation
- 1991-02-11 CA CA002049322A patent/CA2049322C/en not_active Expired - Lifetime
- 1991-02-11 WO PCT/FI1991/000043 patent/WO1991012368A1/en not_active Application Discontinuation
- 1991-02-11 AT AT91903366T patent/ATE141351T1/de active
- 1991-10-02 NO NO913873A patent/NO178935C/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATE141351T1 (de) | 1996-08-15 |
| EP0468016B1 (en) | 1996-08-14 |
| NO913873D0 (no) | 1991-10-02 |
| CA2049322A1 (en) | 1991-08-10 |
| JP2900091B2 (ja) | 1999-06-02 |
| NO913873L (no) | 1991-10-02 |
| DE69121332D1 (de) | 1996-09-19 |
| NO178935C (no) | 2000-06-26 |
| EP0468016A1 (en) | 1992-01-29 |
| AU639304B2 (en) | 1993-07-22 |
| NZ236941A (en) | 1993-10-26 |
| NO178935B (no) | 1996-03-25 |
| PT96713A (pt) | 1991-10-31 |
| FI900663A0 (fi) | 1990-02-09 |
| ES2091319T3 (es) | 1996-11-01 |
| ZA91958B (en) | 1991-11-27 |
| PT96713B (pt) | 2001-05-31 |
| CA2049322C (en) | 2002-08-20 |
| FI93866B (fi) | 1995-02-28 |
| BR9104333A (pt) | 1992-04-21 |
| JPH04505485A (ja) | 1992-09-24 |
| FI900663A (fi) | 1991-08-10 |
| AU7218991A (en) | 1991-09-03 |
| WO1991012368A1 (en) | 1991-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |