FI118348B - Lämpötilan ja alkalipanoksen vaikutus massan vaaleuteen - Google Patents
Lämpötilan ja alkalipanoksen vaikutus massan vaaleuteen Download PDFInfo
- Publication number
- FI118348B FI118348B FI963448A FI963448A FI118348B FI 118348 B FI118348 B FI 118348B FI 963448 A FI963448 A FI 963448A FI 963448 A FI963448 A FI 963448A FI 118348 B FI118348 B FI 118348B
- Authority
- FI
- Finland
- Prior art keywords
- liquor
- cooking
- hot
- black liquor
- temperature
- Prior art date
Links
- 239000003513 alkali Substances 0.000 title description 2
- 230000000694 effects Effects 0.000 title description 2
- 238000010411 cooking Methods 0.000 claims abstract description 88
- 238000000034 method Methods 0.000 claims abstract description 57
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 73
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000002023 wood Substances 0.000 claims description 9
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 2
- 238000004537 pulping Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 3
- 238000002203 pretreatment Methods 0.000 claims 3
- 239000002826 coolant Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000011734 sodium Substances 0.000 description 54
- 238000011049 filling Methods 0.000 description 42
- 239000007787 solid Substances 0.000 description 28
- 238000004061 bleaching Methods 0.000 description 24
- 235000014347 soups Nutrition 0.000 description 22
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 21
- 235000010633 broth Nutrition 0.000 description 20
- 239000000126 substance Substances 0.000 description 18
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 16
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 14
- 235000019398 chlorine dioxide Nutrition 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 235000011149 sulphuric acid Nutrition 0.000 description 10
- 239000000460 chlorine Substances 0.000 description 8
- 239000004155 Chlorine dioxide Substances 0.000 description 7
- 238000005660 chlorination reaction Methods 0.000 description 6
- 229920005610 lignin Polymers 0.000 description 6
- 102100030386 Granzyme A Human genes 0.000 description 5
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 description 5
- 241000183024 Populus tremula Species 0.000 description 5
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910052979 sodium sulfide Inorganic materials 0.000 description 4
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 239000013058 crude material Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000004076 pulp bleaching Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 101100175010 Caenorhabditis elegans gbf-1 gene Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003339 best practice Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 210000004885 white matter Anatomy 0.000 description 1
- 230000002087 whitening effect Effects 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
- 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)
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
Landscapes
- Paper (AREA)
- Pens And Brushes (AREA)
- Primary Cells (AREA)
- Dental Preparations (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Glass Compositions (AREA)
- Secondary Cells (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Peptides Or Proteins (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20649694A | 1994-03-04 | 1994-03-04 | |
| US20649694 | 1994-03-04 | ||
| PCT/US1995/002719 WO1995023891A1 (en) | 1994-03-04 | 1995-03-02 | Impact of temperature and alkali charge on pulp brightness |
| US9502719 | 1995-03-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI963448L FI963448L (fi) | 1996-09-03 |
| FI963448A0 FI963448A0 (fi) | 1996-09-03 |
| FI118348B true FI118348B (fi) | 2007-10-15 |
Family
ID=22766657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI963448A FI118348B (fi) | 1994-03-04 | 1996-09-03 | Lämpötilan ja alkalipanoksen vaikutus massan vaaleuteen |
Country Status (19)
| Country | Link |
|---|---|
| EP (1) | EP0748412B1 (de) |
| JP (1) | JP2876428B2 (de) |
| CN (1) | CN1143398A (de) |
| AT (1) | ATE172503T1 (de) |
| AU (1) | AU684623B2 (de) |
| BR (1) | BR9506974A (de) |
| CA (1) | CA2184706C (de) |
| DE (1) | DE69505503T2 (de) |
| ES (1) | ES2126263T3 (de) |
| FI (1) | FI118348B (de) |
| MX (1) | MX9603876A (de) |
| NO (1) | NO963520L (de) |
| NZ (1) | NZ282616A (de) |
| PL (1) | PL316144A1 (de) |
| RO (1) | RO117929B1 (de) |
| RU (1) | RU2127342C1 (de) |
| TW (1) | TW270159B (de) |
| WO (1) | WO1995023891A1 (de) |
| ZA (1) | ZA951777B (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI970254A7 (fi) * | 1997-01-22 | 1998-07-23 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan keittämiseksi |
| US6139689A (en) * | 1997-06-11 | 2000-10-31 | Beloit Technologies, Inc. | Apparatus for digesting pulp in a displacement batch digester that uses displacement liquor having a sufficient hydrostatic head |
| FI20001351A0 (fi) * | 2000-06-06 | 2000-06-06 | Valmet Chemical Pulping Oy | Eräkeittomenetelmä |
| SE0602476L (sv) * | 2006-11-22 | 2007-08-21 | Metso Fiber Karlstad Ab | Metod för att återvinna värmeenergi från svartlut |
| KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
| CN103757961B (zh) * | 2013-12-30 | 2016-01-20 | 汶瑞机械(山东)有限公司 | 一种间歇蒸煮装置及其布液方法 |
| US9644317B2 (en) | 2014-11-26 | 2017-05-09 | International Paper Company | Continuous digester and feeding system |
| FI129440B (fi) * | 2020-01-15 | 2022-02-28 | Chempolis Oy | Keittolaitteisto ja -menetelmä lignoselluloosaa sisältävän biomassan käsittelemiseksi |
| CN117513041B (zh) * | 2023-11-07 | 2025-08-08 | 新疆臣达盛业环保科技有限公司 | 一种rdh蒸煮制浆工艺及其系统 |
| CN117661355A (zh) * | 2023-11-16 | 2024-03-08 | 湖南骏泰新材料科技有限责任公司 | 一种工业生产置换蒸煮制浆方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1687076A (en) * | 1927-10-12 | 1928-10-09 | Venning D Simons | Process for cooking wood chips by the alkaline process of pulp manufacture |
| US4578149A (en) * | 1981-03-05 | 1986-03-25 | Fagerlund Bertil K E | Process for digesting cellulosic material with heat recovery |
| JPS6059189A (ja) * | 1983-08-24 | 1985-04-05 | ベロイト コ−ポレ−ション | 多段式木材チツプ蒸解法 |
| SU1498857A1 (ru) * | 1987-07-17 | 1989-08-07 | Сибирский научно-исследовательский институт целлюлозы и картона | Способ щелочной варки целлюлозы в котлах периодического действи |
-
1995
- 1995-02-23 TW TW084101667A patent/TW270159B/zh active
- 1995-03-02 ES ES95912729T patent/ES2126263T3/es not_active Expired - Lifetime
- 1995-03-02 MX MX9603876A patent/MX9603876A/es unknown
- 1995-03-02 JP JP7523062A patent/JP2876428B2/ja not_active Expired - Lifetime
- 1995-03-02 PL PL95316144A patent/PL316144A1/xx unknown
- 1995-03-02 CN CN95191955A patent/CN1143398A/zh active Pending
- 1995-03-02 BR BR9506974A patent/BR9506974A/pt not_active IP Right Cessation
- 1995-03-02 WO PCT/US1995/002719 patent/WO1995023891A1/en not_active Ceased
- 1995-03-02 AT AT95912729T patent/ATE172503T1/de active
- 1995-03-02 RU RU96121355A patent/RU2127342C1/ru active
- 1995-03-02 AU AU19789/95A patent/AU684623B2/en not_active Ceased
- 1995-03-02 CA CA002184706A patent/CA2184706C/en not_active Expired - Fee Related
- 1995-03-02 EP EP95912729A patent/EP0748412B1/de not_active Expired - Lifetime
- 1995-03-02 NZ NZ282616A patent/NZ282616A/en unknown
- 1995-03-02 RO RO96-01743A patent/RO117929B1/ro unknown
- 1995-03-02 DE DE69505503T patent/DE69505503T2/de not_active Expired - Fee Related
- 1995-03-03 ZA ZA951777A patent/ZA951777B/xx unknown
-
1996
- 1996-08-23 NO NO963520A patent/NO963520L/no unknown
- 1996-09-03 FI FI963448A patent/FI118348B/fi active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN1143398A (zh) | 1997-02-19 |
| PL316144A1 (en) | 1996-12-23 |
| ZA951777B (en) | 1995-12-11 |
| FI963448L (fi) | 1996-09-03 |
| DE69505503T2 (de) | 1999-10-21 |
| CA2184706C (en) | 2001-10-30 |
| DE69505503D1 (de) | 1998-11-26 |
| AU1978995A (en) | 1995-09-18 |
| BR9506974A (pt) | 1997-09-16 |
| ES2126263T3 (es) | 1999-03-16 |
| EP0748412A1 (de) | 1996-12-18 |
| ATE172503T1 (de) | 1998-11-15 |
| JPH09505115A (ja) | 1997-05-20 |
| NO963520L (no) | 1996-08-23 |
| MX9603876A (es) | 1997-03-29 |
| FI963448A0 (fi) | 1996-09-03 |
| EP0748412B1 (de) | 1998-10-21 |
| JP2876428B2 (ja) | 1999-03-31 |
| CA2184706A1 (en) | 1995-09-08 |
| TW270159B (de) | 1996-02-11 |
| WO1995023891A1 (en) | 1995-09-08 |
| RO117929B1 (ro) | 2002-09-30 |
| AU684623B2 (en) | 1997-12-18 |
| NZ282616A (en) | 1997-05-26 |
| RU2127342C1 (ru) | 1999-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
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