CA1066697A - Method of producing cellulose - Google Patents
Method of producing celluloseInfo
- Publication number
- CA1066697A CA1066697A CA259,578A CA259578A CA1066697A CA 1066697 A CA1066697 A CA 1066697A CA 259578 A CA259578 A CA 259578A CA 1066697 A CA1066697 A CA 1066697A
- Authority
- CA
- Canada
- Prior art keywords
- raw material
- liquor
- temperature
- cooking
- chemical activity
- 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 description 46
- 229920002678 cellulose Polymers 0.000 title claims description 8
- 239000001913 cellulose Substances 0.000 title claims description 8
- 239000002994 raw material Substances 0.000 claims abstract description 40
- 239000003513 alkali Substances 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 4
- 238000010411 cooking Methods 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 15
- 238000005470 impregnation Methods 0.000 claims description 14
- 239000002023 wood Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 229920002522 Wood fibre Polymers 0.000 claims 3
- 239000002025 wood fiber Substances 0.000 claims 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims 1
- 238000010793 Steam injection (oil industry) Methods 0.000 claims 1
- 229920001021 polysulfide Polymers 0.000 claims 1
- 229920005610 lignin Polymers 0.000 description 9
- 229910021653 sulphate ion Inorganic materials 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 244000166124 Eucalyptus globulus Species 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 244000082204 Phyllostachys viridis Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 206010033733 Papule Diseases 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009993 causticizing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 102000034240 fibrous proteins Human genes 0.000 description 1
- 108091005899 fibrous proteins Proteins 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic 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
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR7505352 | 1975-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066697A true CA1066697A (en) | 1979-11-20 |
Family
ID=3996454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA259,578A Expired CA1066697A (en) | 1975-08-20 | 1976-08-20 | Method of producing cellulose |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5237802A (enrdf_load_stackoverflow) |
| CA (1) | CA1066697A (enrdf_load_stackoverflow) |
| FI (1) | FI762341A7 (enrdf_load_stackoverflow) |
| SE (1) | SE7609148L (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012007642A1 (en) | 2010-07-13 | 2012-01-19 | Olli Joutsimo | Improved method of processing chemical pulp |
| US11440214B2 (en) * | 2017-04-03 | 2022-09-13 | University Of Maryland, College Park | Flexible wood structures and devices, and methods for fabricating and use thereof |
| US11578894B2 (en) | 2017-06-09 | 2023-02-14 | University Of Maryland, College Park | Wood-based solar thermal devices, and methods for fabrication and use thereof |
| US11958209B2 (en) | 2017-09-15 | 2024-04-16 | University Of Maryland, College Park | Delignified wood materials, and methods for fabricating and use thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3773610A (en) * | 1970-12-11 | 1973-11-20 | Bauer Bros Co | Pressurized system for pulp refining including pressurized double disk treatment |
| JPS4887101A (enrdf_load_stackoverflow) * | 1972-02-22 | 1973-11-16 |
-
1976
- 1976-08-17 FI FI762341A patent/FI762341A7/fi not_active Application Discontinuation
- 1976-08-17 SE SE7609148A patent/SE7609148L/xx not_active Application Discontinuation
- 1976-08-20 CA CA259,578A patent/CA1066697A/en not_active Expired
- 1976-08-20 JP JP51098812A patent/JPS5237802A/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012007642A1 (en) | 2010-07-13 | 2012-01-19 | Olli Joutsimo | Improved method of processing chemical pulp |
| US9139955B2 (en) | 2010-07-13 | 2015-09-22 | Olli Joutsimo | Method of processing chemical pulp |
| US11440214B2 (en) * | 2017-04-03 | 2022-09-13 | University Of Maryland, College Park | Flexible wood structures and devices, and methods for fabricating and use thereof |
| US12157249B2 (en) | 2017-04-03 | 2024-12-03 | University Of Maryland, College Park | Flexible wood structures and devices, and methods for fabricating and use thereof |
| US11578894B2 (en) | 2017-06-09 | 2023-02-14 | University Of Maryland, College Park | Wood-based solar thermal devices, and methods for fabrication and use thereof |
| US11958209B2 (en) | 2017-09-15 | 2024-04-16 | University Of Maryland, College Park | Delignified wood materials, and methods for fabricating and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| SE7609148L (sv) | 1977-02-21 |
| JPS5237802A (en) | 1977-03-24 |
| FI762341A7 (enrdf_load_stackoverflow) | 1977-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4248662A (en) | Oxygen pulping with recycled liquor | |
| US4486267A (en) | Chemithermomechanical pulping process employing separate alkali and sulfite treatments | |
| US3707436A (en) | Exploding of ammonia impregnated wood chips | |
| US4857145A (en) | Process for making a pulp from bamboo | |
| US7824521B2 (en) | Process of treating a lignocellulosic material with hemicellulose pre-extraction and hemicellulose adsorption | |
| US4431479A (en) | Process for improving and retaining pulp properties | |
| US4311553A (en) | Method for use in the defibration or refining of lignocellulose-containing fibrous materials | |
| US4869783A (en) | High-yield chemical pulping | |
| CA2067129A1 (en) | Process for manufacturing chemo-mechanical and/or chemo-thermal-mechanical wood pulps | |
| CA2221619A1 (en) | Modified organosolv pulping | |
| EP0501059A1 (en) | Steam explosion pulping process for papermaking | |
| US2749241A (en) | Process for producing semi-chemical pulp | |
| US3919041A (en) | Multi-stage chlorine dioxide delignification of wood pulp | |
| US3829357A (en) | Oxidative manufacture of pulp with chlorine dioxide | |
| CA1066697A (en) | Method of producing cellulose | |
| US7306698B2 (en) | Method for producing pulp | |
| CA1145107A (en) | Procedure for forming refiner pulps | |
| US2708160A (en) | Process for pulping | |
| US5433825A (en) | Method for pulping wood chips separate alkali and peroxymonosulfate treatments | |
| US3262839A (en) | Neutral to weakly alkaline sulfite process for the extraction of cellulose from cellulosic material | |
| US4329200A (en) | Method and system for selective alkaline defiberization and delignification | |
| US4773965A (en) | Strong and clean sulfite pulp and method of making same | |
| EP0096460B1 (en) | Process for improving and retaining pulp properties | |
| JPH0114357B2 (enrdf_load_stackoverflow) | ||
| CA1145106A (en) | Procedure for improving properties of mechanical wood pulps |