FI58521C - Saett att oeka cellulosautbytet vid sulfitkokning av ved - Google Patents
Saett att oeka cellulosautbytet vid sulfitkokning av ved Download PDFInfo
- Publication number
- FI58521C FI58521C FI752508A FI752508A FI58521C FI 58521 C FI58521 C FI 58521C FI 752508 A FI752508 A FI 752508A FI 752508 A FI752508 A FI 752508A FI 58521 C FI58521 C FI 58521C
- Authority
- FI
- Finland
- Prior art keywords
- cooking
- formate
- cellulosautbytet
- ved
- vid
- Prior art date
Links
- 238000010411 cooking Methods 0.000 description 37
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 27
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 13
- 238000007792 addition Methods 0.000 description 13
- 235000019253 formic acid Nutrition 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- 239000002253 acid Substances 0.000 description 11
- -1 norbornyl alcohols Chemical class 0.000 description 10
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 9
- 229920005610 lignin Polymers 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 235000014347 soups Nutrition 0.000 description 9
- 239000002023 wood Substances 0.000 description 9
- 150000004675 formic acid derivatives Chemical class 0.000 description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 6
- OUGPMNMLWKSBRI-UHFFFAOYSA-N Hexyl formate Chemical compound CCCCCCOC=O OUGPMNMLWKSBRI-UHFFFAOYSA-N 0.000 description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- 241000218657 Picea Species 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000006277 sulfonation reaction Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 244000089654 Betula populifolia Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical group OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 description 1
- 240000008299 Pinus lambertiana Species 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 101150075433 SSO2 gene Proteins 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 241000779819 Syncarpia glomulifera Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000007080 aromatic substitution reaction Methods 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008162 cooking oil Substances 0.000 description 1
- 229930007927 cymene Natural products 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- LPHFLPKXBKBHRW-UHFFFAOYSA-L magnesium;hydrogen sulfite Chemical compound [Mg+2].OS([O-])=O.OS([O-])=O LPHFLPKXBKBHRW-UHFFFAOYSA-L 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- HFPZCAJZSCWRBC-UHFFFAOYSA-N p-cymene Chemical compound CC(C)C1=CC=C(C)C=C1 HFPZCAJZSCWRBC-UHFFFAOYSA-N 0.000 description 1
- 239000001739 pinus spp. Substances 0.000 description 1
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical group CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 229940036248 turpentine Drugs 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
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Paper (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7411268A SE384883B (sv) | 1974-09-06 | 1974-09-06 | Sett att oka cellulosautbytet vid sulfitkokning av ved |
| SE7411268 | 1974-09-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI752508A7 FI752508A7 (en, 2012) | 1976-03-07 |
| FI58521B FI58521B (fi) | 1980-10-31 |
| FI58521C true FI58521C (fi) | 1981-02-10 |
Family
ID=20322071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI752508A FI58521C (fi) | 1974-09-06 | 1975-09-05 | Saett att oeka cellulosautbytet vid sulfitkokning av ved |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5153002A (en, 2012) |
| AT (1) | AT344498B (en, 2012) |
| CA (1) | CA1057008A (en, 2012) |
| CH (1) | CH600036A5 (en, 2012) |
| DE (1) | DE2537785A1 (en, 2012) |
| FI (1) | FI58521C (en, 2012) |
| FR (1) | FR2283988A1 (en, 2012) |
| NO (1) | NO144577C (en, 2012) |
| SE (1) | SE384883B (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816473A1 (de) * | 1978-04-15 | 1979-10-25 | Bayer Ag | Dispersion zur verwendung bei der zellstoffgewinnung |
| DE2827111A1 (de) * | 1978-06-21 | 1980-01-10 | Bayer Ag | Mittel zur verwendung bei der zellstoffgewinnung |
| DE19516151A1 (de) * | 1995-05-03 | 1996-11-07 | Sven Siegle | Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE336535C (de) * | 1919-12-02 | 1921-05-03 | Zellstoff Und Papierfabrikatio | Verfahren zur Herstellung reinster Zellulose von baumwoll- oder wollartiger Beschaffenheit aus Vegetabilien mittels saurer Sulfitlaugen |
-
1974
- 1974-09-06 SE SE7411268A patent/SE384883B/xx unknown
-
1975
- 1975-08-25 DE DE19752537785 patent/DE2537785A1/de not_active Withdrawn
- 1975-08-27 CH CH1108775A patent/CH600036A5/xx not_active IP Right Cessation
- 1975-09-01 AT AT670575A patent/AT344498B/de not_active IP Right Cessation
- 1975-09-03 NO NO753029A patent/NO144577C/no unknown
- 1975-09-04 FR FR7527116A patent/FR2283988A1/fr active Granted
- 1975-09-05 JP JP50108467A patent/JPS5153002A/ja active Pending
- 1975-09-05 FI FI752508A patent/FI58521C/fi not_active IP Right Cessation
- 1975-09-05 CA CA234,872A patent/CA1057008A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7411268L (sv) | 1976-03-08 |
| ATA670575A (de) | 1977-11-15 |
| FI58521B (fi) | 1980-10-31 |
| CA1057008A (en) | 1979-06-26 |
| NO144577B (no) | 1981-06-15 |
| FR2283988B1 (en, 2012) | 1978-12-08 |
| NO144577C (no) | 1981-09-23 |
| AT344498B (de) | 1978-07-25 |
| FR2283988A1 (fr) | 1976-04-02 |
| SE384883B (sv) | 1976-05-24 |
| DE2537785A1 (de) | 1976-03-18 |
| CH600036A5 (en, 2012) | 1978-06-15 |
| NO753029L (en, 2012) | 1976-03-09 |
| JPS5153002A (en) | 1976-05-11 |
| FI752508A7 (en, 2012) | 1976-03-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3097987A (en) | Continuous pulping process | |
| FI63607C (fi) | Foerfarande foer framstaellning av cellulosamassor i utbytesomraodet 65-95 % | |
| US6881299B2 (en) | Refiner bleaching with magnesium oxide and hydrogen peroxide | |
| NO173398B (no) | Fremgangsmaate ved kontinuerlig kokning av celluloseholdigfibermateriale | |
| US2926114A (en) | Manufacture of cellulosic products | |
| CN104674583A (zh) | 生产化学机械浆的方法 | |
| FI83794C (fi) | Foerfarande foer framstaellning av kemimekanisk eller semikemisk fibermassa i en tvao-fas impregneringsprocess. | |
| US4116758A (en) | Method of producing high yield chemimechanical pulps | |
| JPS61152892A (ja) | セルロースパルプの製造法 | |
| JP2009540132A (ja) | パルプの製造方法 | |
| US20040089431A1 (en) | Method for alkaline batch cooking of fiber material | |
| JP7292296B2 (ja) | 溶解パルプの製造方法 | |
| FI58521C (fi) | Saett att oeka cellulosautbytet vid sulfitkokning av ved | |
| IE75202B1 (en) | Process for preparing bleached paper pulp | |
| AU692922B2 (en) | Method and apparatus for the continuous production of cellulosic pulp | |
| US4190490A (en) | Impregnation and digestion of wood chips | |
| US1848661A (en) | of berlin | |
| Määttänen et al. | Determination of phenomena involved in impregnation of softwood chips. Part 2: Alkali uptake, alkali consumption and impregnation yield | |
| EP0239583B2 (en) | Method of pretreating pulp with stabilizers and peroxide prior to mechanical refining | |
| US4094735A (en) | Method of pulping with sulfite liquor containing formic acid esters | |
| Bäckström et al. | Effect of primary fines on cooking and TCF-bleaching | |
| JP7473221B2 (ja) | 化学パルプの製造方法 | |
| NO147115B (no) | Fremgangsmaate og apparat for fremstilling av masse av et lignocellulosemateriale | |
| JP2971111B2 (ja) | リグノセルロース材料の蒸解法 | |
| US20040089430A1 (en) | Method for alkaline cooking of fiber material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: KOPPARFORS AKTIEBOLAG |