SE501309C2 - Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ - Google Patents
Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträInfo
- Publication number
- SE501309C2 SE501309C2 SE9301834A SE9301834A SE501309C2 SE 501309 C2 SE501309 C2 SE 501309C2 SE 9301834 A SE9301834 A SE 9301834A SE 9301834 A SE9301834 A SE 9301834A SE 501309 C2 SE501309 C2 SE 501309C2
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- raw wood
- mixture
- cellulose
- digestion
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000029087 digestion Effects 0.000 title claims abstract description 8
- 239000002023 wood Substances 0.000 title claims description 28
- 239000000203 mixture Substances 0.000 title claims description 27
- 239000001913 cellulose Substances 0.000 title claims description 19
- 229920002678 cellulose Polymers 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000010411 cooking Methods 0.000 claims abstract description 21
- 230000007935 neutral effect Effects 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 3
- 239000001301 oxygen Substances 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 41
- 238000009835 boiling Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 13
- 238000004061 bleaching Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 3
- 239000000123 paper Substances 0.000 abstract description 23
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000007717 exclusion Effects 0.000 abstract 1
- 239000011087 paperboard Substances 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 10
- 239000000835 fiber Substances 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 241000218657 Picea Species 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 229920002488 Hemicellulose Polymers 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UDHXJZHVNHGCEC-UHFFFAOYSA-N Chlorophacinone Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)C(=O)C1C(=O)C2=CC=CC=C2C1=O UDHXJZHVNHGCEC-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical class [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011591 potassium Chemical class 0.000 description 1
- 229910052700 potassium Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000011097 solid fiberboard 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
-
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Paper (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9301834A SE501309C2 (sv) | 1993-05-28 | 1993-05-28 | Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ |
| PCT/SE1994/000499 WO1994028236A1 (fr) | 1993-05-28 | 1994-05-26 | Procede de production de pate de cellulose |
| EP19940917858 EP0704002A1 (fr) | 1993-05-28 | 1994-05-26 | Procede de production de pate de cellulose |
| AU69400/94A AU6940094A (en) | 1993-05-28 | 1994-05-26 | A pulp production process |
| CZ953133A CZ313395A3 (en) | 1993-05-28 | 1994-05-26 | Process for preparing fibrous material |
| NO954820A NO954820L (no) | 1993-05-28 | 1995-11-27 | Fremgangsmåte for fremstilling av masse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9301834A SE501309C2 (sv) | 1993-05-28 | 1993-05-28 | Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9301834D0 SE9301834D0 (sv) | 1993-05-28 |
| SE9301834L SE9301834L (sv) | 1994-11-29 |
| SE501309C2 true SE501309C2 (sv) | 1995-01-09 |
Family
ID=20390091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9301834A SE501309C2 (sv) | 1993-05-28 | 1993-05-28 | Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0704002A1 (fr) |
| AU (1) | AU6940094A (fr) |
| CZ (1) | CZ313395A3 (fr) |
| NO (1) | NO954820L (fr) |
| SE (1) | SE501309C2 (fr) |
| WO (1) | WO1994028236A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4334422C2 (de) * | 1993-10-08 | 1996-07-11 | Fraunhofer Ges Forschung | Ablauge aus chemisch-thermischem Aufschluß von bereits verarbeiteten bindemittelhaltigen Span- und Faserplatten, Verfahren zu ihrer Herstellung und ihre Verwendung als Streckmittel für Holzwerkstoff-Bindemittel |
| WO2022178391A1 (fr) * | 2021-02-22 | 2022-08-25 | Westrock Mwv, Llc | Procédé permettant de fabriquer de la pâte blanchie, matière première et système de conditionnement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1327590A (en) * | 1916-04-14 | 1920-01-06 | John M Burby | Process of repulping old or waste paper |
| US1298779A (en) * | 1918-09-30 | 1919-04-01 | Wesley Milton Osborne | Process for removing ink and coloring-matter from printed paper. |
| US1782382A (en) * | 1929-01-04 | 1930-11-18 | Alexander Orgovan | Process for the manufacture of paper from plant fiber |
| DE2805445C2 (de) * | 1978-02-09 | 1979-06-07 | J.M. Voith Gmbh, 7920 Heidenheim | Verfahren zur Wiederaufbereitung von hochwertigem Altpapier |
| FR2639371B1 (fr) * | 1988-11-24 | 1995-04-14 | Atochem | Procede de blanchiment de pates desencrees |
| US5147503B1 (en) * | 1991-03-01 | 1997-10-21 | Domtar Inc | Recycling waste cellulosic material with sodium sulphide digestion |
-
1993
- 1993-05-28 SE SE9301834A patent/SE501309C2/sv unknown
-
1994
- 1994-05-26 AU AU69400/94A patent/AU6940094A/en not_active Abandoned
- 1994-05-26 CZ CZ953133A patent/CZ313395A3/cs unknown
- 1994-05-26 WO PCT/SE1994/000499 patent/WO1994028236A1/fr not_active Ceased
- 1994-05-26 EP EP19940917858 patent/EP0704002A1/fr not_active Ceased
-
1995
- 1995-11-27 NO NO954820A patent/NO954820L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO954820L (no) | 1996-01-24 |
| CZ313395A3 (en) | 1996-05-15 |
| NO954820D0 (no) | 1995-11-27 |
| SE9301834L (sv) | 1994-11-29 |
| WO1994028236A1 (fr) | 1994-12-08 |
| SE9301834D0 (sv) | 1993-05-28 |
| AU6940094A (en) | 1994-12-20 |
| EP0704002A1 (fr) | 1996-04-03 |
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