FI104339B - Förbättrat förfarande för framställning av papper - Google Patents
Förbättrat förfarande för framställning av papper Download PDFInfo
- Publication number
- FI104339B FI104339B FI981448A FI981448A FI104339B FI 104339 B FI104339 B FI 104339B FI 981448 A FI981448 A FI 981448A FI 981448 A FI981448 A FI 981448A FI 104339 B FI104339 B FI 104339B
- Authority
- FI
- Finland
- Prior art keywords
- peracid
- pulp
- process according
- treatment
- neutral
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 60
- 150000004965 peroxy acids Chemical class 0.000 claims description 27
- 238000004061 bleaching Methods 0.000 claims description 19
- 239000000853 adhesive Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 230000007935 neutral effect Effects 0.000 claims description 18
- -1 alkyl ketene dimer Chemical compound 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 229940014800 succinic anhydride Drugs 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000123 paper Substances 0.000 description 29
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 230000014759 maintenance of location Effects 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 5
- 235000018185 Betula X alpestris Nutrition 0.000 description 4
- 235000018212 Betula X uliginosa Nutrition 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000011122 softwood Substances 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000004076 pulp bleaching Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- MSPJNHHBNOLHOC-UHFFFAOYSA-N 3,3-dimethylcyclopropane-1,2-dicarboxylic acid Chemical compound CC1(C)C(C(O)=O)C1C(O)=O MSPJNHHBNOLHOC-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000052 vinegar Substances 0.000 description 2
- 235000021419 vinegar Nutrition 0.000 description 2
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- SCKXCAADGDQQCS-UHFFFAOYSA-N Performic acid Chemical compound OOC=O SCKXCAADGDQQCS-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- VEXZGXHMUGYJMC-IGMARMGPSA-N chlorine-35 Chemical compound [35ClH] VEXZGXHMUGYJMC-IGMARMGPSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000004966 inorganic peroxy acids Chemical class 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000004967 organic peroxy acids Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Paper (AREA)
Claims (12)
1. Förfarande för framställning av papper eller motsvaran-de fibermaterial, kännetecknat av att den 5 blekta maiden behandlas med persyra för att modifiera fi-berns egenskaper före tillsats av neutrallim i maiden.
2. Förfarande enligt patentkrav 1, kännetecknat av att massans vithet före behandlingen med persyra är 10 minst 80 % ISO.
3. Förfarande enligt patentkrav 1 eller 2, kännetecknat av att massans kappatal före behandlingen med persyra är minst 4. 15
4. Förfarande enligt nägot av de föregäende patentkrav, kännetecknat av att den vid persyrabehandlin-gen använda persyrans mängd är 0,1 - 5 kg/tm, fördelaktigt 0,5-3 kg/tm. . 20
5. Förfarande enligt patentkrav 4, kännetecknat av att persyran är perättiksyra.
6. Förfarande enligt nägot av de föregäende patentkrav, 25 kännetecknat av att persyralösningens pH är . emellan 2,5 - 9, fördelaktigt mellan 4-7.
7. Förfarande enligt patentkrav 1, kännetecknat av att neutrallimmet är alkylketendimer, alkenylketendi- 30 mer, alkenylbärnstenssyrans anhydrid eller alkylbärstens-syrans anhydrid.
* 8. Förfarande enligt nägot av patentkraven 1 eller 7, kännetecknat av att neutrallimmet doseras i 35 massan enligt 0,01 - 0,6 vikt-% av massans torrsubstans. 104339
9. Förfarande enligt nägot av patentkraven 1, 7 eller 8, kännetecknat av att neutrallimmet tillsätts i form av en vattendispersion. 5
10. Förfarande enligt nägot av de föregäende patentkrav, kännetecknat av att behandlingen med persyra sker efter blekningsskedet i massaröret, lagertornet och/eller i pappersmakinen, fördelaktigt före inloppslä-dan. 10
11. Förfarande enligt nägot av de föregäende patentkrav, kännetecknat av att behandlingen med persyra sker i pappersmaskinen eller annorstädes pä pappersfabriks omrädet. 15
12. Användningen av en lösning, innehällande persyra, vid behandlingen av den blekta massan vilket sker före till-sattsen av neutralism vid en pappersfabrik. • ·
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI981448A FI104339B (sv) | 1998-06-24 | 1998-06-24 | Förbättrat förfarande för framställning av papper |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI981448A FI104339B (sv) | 1998-06-24 | 1998-06-24 | Förbättrat förfarande för framställning av papper |
| FI981448 | 1998-06-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI981448A0 FI981448A0 (sv) | 1998-06-24 |
| FI104339B1 FI104339B1 (sv) | 1999-12-31 |
| FI104339B true FI104339B (sv) | 1999-12-31 |
Family
ID=8552057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI981448A FI104339B (sv) | 1998-06-24 | 1998-06-24 | Förbättrat förfarande för framställning av papper |
Country Status (1)
| Country | Link |
|---|---|
| FI (1) | FI104339B (sv) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7481905B2 (en) | 2001-12-19 | 2009-01-27 | Kemira Oyj | Process for manufacturing board |
| US7914646B2 (en) | 2006-07-21 | 2011-03-29 | Nalco Company | Compositions and processes for paper production |
| US10550518B2 (en) | 2015-06-23 | 2020-02-04 | Kemira Oyj | Method for controlling hydrophobic particles in aqueous environment in paper or board manufacture |
-
1998
- 1998-06-24 FI FI981448A patent/FI104339B/sv active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7481905B2 (en) | 2001-12-19 | 2009-01-27 | Kemira Oyj | Process for manufacturing board |
| US7914646B2 (en) | 2006-07-21 | 2011-03-29 | Nalco Company | Compositions and processes for paper production |
| US8262858B2 (en) | 2006-07-21 | 2012-09-11 | Nalco Company | Compositions and processes for paper production |
| US10550518B2 (en) | 2015-06-23 | 2020-02-04 | Kemira Oyj | Method for controlling hydrophobic particles in aqueous environment in paper or board manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| FI104339B1 (sv) | 1999-12-31 |
| FI981448A0 (sv) | 1998-06-24 |
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