US20080295986A1 - Method of Producing Paper and Cardboard - Google Patents
Method of Producing Paper and Cardboard Download PDFInfo
- Publication number
- US20080295986A1 US20080295986A1 US12/096,203 US9620306A US2008295986A1 US 20080295986 A1 US20080295986 A1 US 20080295986A1 US 9620306 A US9620306 A US 9620306A US 2008295986 A1 US2008295986 A1 US 2008295986A1
- Authority
- US
- United States
- Prior art keywords
- pulp
- hemicelluloses
- xylan
- bleached
- paper
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000011111 cardboard Substances 0.000 title claims abstract description 20
- 239000011087 paperboard Substances 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 80
- 229920002488 Hemicellulose Polymers 0.000 claims abstract description 74
- 229920001221 xylan Polymers 0.000 claims description 80
- 150000004823 xylans Chemical class 0.000 claims description 80
- 238000000605 extraction Methods 0.000 claims description 46
- 239000002655 kraft paper Substances 0.000 claims description 39
- 235000018185 Betula X alpestris Nutrition 0.000 claims description 34
- 235000018212 Betula X uliginosa Nutrition 0.000 claims description 34
- 239000000126 substance Substances 0.000 claims description 33
- 238000001179 sorption measurement Methods 0.000 claims description 28
- 239000000123 paper Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 18
- 239000002023 wood Substances 0.000 claims description 18
- 238000004537 pulping Methods 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 108090000790 Enzymes Proteins 0.000 claims description 8
- 102000004190 Enzymes Human genes 0.000 claims description 8
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000811 xylitol Substances 0.000 claims description 6
- 235000010447 xylitol Nutrition 0.000 claims description 6
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 6
- 229960002675 xylitol Drugs 0.000 claims description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 238000004383 yellowing Methods 0.000 claims description 4
- 241000219429 Betula Species 0.000 claims description 3
- 101710121765 Endo-1,4-beta-xylanase Proteins 0.000 claims description 3
- 108010059820 Polygalacturonase Proteins 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 230000000593 degrading effect Effects 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 2
- 108010002430 hemicellulase Proteins 0.000 claims description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 2
- 150000004692 metal hydroxides Chemical class 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 45
- 229920001021 polysulfide Polymers 0.000 description 27
- 239000005077 polysulfide Substances 0.000 description 26
- 150000008117 polysulfides Polymers 0.000 description 26
- 230000001965 increasing effect Effects 0.000 description 22
- 239000003513 alkali Substances 0.000 description 18
- 238000004061 bleaching Methods 0.000 description 17
- 238000001556 precipitation Methods 0.000 description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 15
- 230000000694 effects Effects 0.000 description 15
- 238000002474 experimental method Methods 0.000 description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- 238000010009 beating Methods 0.000 description 12
- 238000010411 cooking Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 229910001868 water Inorganic materials 0.000 description 10
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 9
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 9
- 229920002678 cellulose Polymers 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000000149 argon plasma sintering Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 150000001720 carbohydrates Chemical class 0.000 description 5
- 235000014633 carbohydrates Nutrition 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000013055 pulp slurry Substances 0.000 description 5
- 241000894007 species Species 0.000 description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- LUEWUZLMQUOBSB-FSKGGBMCSA-N (2s,3s,4s,5s,6r)-2-[(2r,3s,4r,5r,6s)-6-[(2r,3s,4r,5s,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5s,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](OC3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-FSKGGBMCSA-N 0.000 description 3
- 229920002581 Glucomannan Polymers 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229940046240 glucomannan Drugs 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- SMNDYUVBFMFKNZ-UHFFFAOYSA-N 2-furoic acid Chemical compound OC(=O)C1=CC=CO1 SMNDYUVBFMFKNZ-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 2
- 244000166124 Eucalyptus globulus Species 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 229920002000 Xyloglucan Polymers 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 150000004804 polysaccharides Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000003265 pulping liquor Substances 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- -1 xylosyl- Chemical group 0.000 description 2
- SATHPVQTSSUFFW-UHFFFAOYSA-N 4-[6-[(3,5-dihydroxy-4-methoxyoxan-2-yl)oxymethyl]-3,5-dihydroxy-4-methoxyoxan-2-yl]oxy-2-(hydroxymethyl)-6-methyloxane-3,5-diol Chemical compound OC1C(OC)C(O)COC1OCC1C(O)C(OC)C(O)C(OC2C(C(CO)OC(C)C2O)O)O1 SATHPVQTSSUFFW-UHFFFAOYSA-N 0.000 description 1
- 229920000189 Arabinogalactan Polymers 0.000 description 1
- 239000001904 Arabinogalactan Substances 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 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
- AEMOLEFTQBMNLQ-AQKNRBDQSA-N D-glucopyranuronic acid Chemical group OC1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-AQKNRBDQSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 102100030386 Granzyme A Human genes 0.000 description 1
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 description 1
- 108090000604 Hydrolases Proteins 0.000 description 1
- 102000004157 Hydrolases Human genes 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 235000019312 arabinogalactan Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 150000002016 disaccharides Chemical class 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 125000002519 galactosyl group Chemical group C1([C@H](O)[C@@H](O)[C@@H](O)[C@H](O1)CO)* 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011005 laboratory method Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
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
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/005—Microorganisms or enzymes
-
- 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
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/065,130 US20110168345A1 (en) | 2005-12-05 | 2011-03-14 | Method of producing paper and cardboard |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20051256A FI122975B (fi) | 2005-12-05 | 2005-12-05 | Menetelmä paperin ja kartongin valmistamiseksi |
| FI20051256 | 2005-12-05 | ||
| PCT/FI2006/000406 WO2007065969A1 (en) | 2005-12-05 | 2006-12-05 | Method of producing paper and cardboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20080295986A1 true US20080295986A1 (en) | 2008-12-04 |
Family
ID=35510626
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/096,203 Abandoned US20080295986A1 (en) | 2005-12-05 | 2006-12-05 | Method of Producing Paper and Cardboard |
| US13/065,130 Abandoned US20110168345A1 (en) | 2005-12-05 | 2011-03-14 | Method of producing paper and cardboard |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/065,130 Abandoned US20110168345A1 (en) | 2005-12-05 | 2011-03-14 | Method of producing paper and cardboard |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US20080295986A1 (fi) |
| EP (1) | EP1957709A1 (fi) |
| BR (1) | BRPI0619442A2 (fi) |
| FI (1) | FI122975B (fi) |
| WO (1) | WO2007065969A1 (fi) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080196847A1 (en) * | 2006-12-18 | 2008-08-21 | Pieter Van Heiningen Adriaan R | Pre-extraction and solvent pulping of lignocellulosic material |
| US20110088858A1 (en) * | 2009-10-16 | 2011-04-21 | Osman Polat | Fibrous structures comprising non-naturally occurring hardwood pulp fibers |
| US20110214826A1 (en) * | 2006-12-18 | 2011-09-08 | University Of Maine System Board Of Trustees | Process of treating a lignocellulosic material |
| US20120247696A1 (en) * | 2009-12-15 | 2012-10-04 | Sodra Cell Ab | Pulping process |
| US20170350072A1 (en) * | 2014-11-17 | 2017-12-07 | Novozymes A/S | Enzymatic process combined with hot caustic extraction for the removal of hemicelluloses from paper-grade pulp |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI123421B (fi) | 2008-05-09 | 2013-04-30 | Upm Kymmene Corp | Painettavaksi soveltuva tuote ja menetelmä painettavaksi soveltuvan tuotteen valmistamiseksi |
| FI20115711L (fi) * | 2011-07-01 | 2013-01-02 | Metsae Fibre Oy | Menetelmä hemiselluloosien poistamiseksi sellusta |
| US10415183B2 (en) | 2013-04-15 | 2019-09-17 | Metsä Spring Oy | Method of producing regenerated cellulose and hemicellulose |
| CN112048935B (zh) * | 2020-08-14 | 2022-12-06 | 山鹰纸业(广东)有限公司 | 生物超声激光打孔纸袋纸及其制备工艺 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3459632A (en) * | 1965-11-17 | 1969-08-05 | Nat Starch Chem Corp | Method of making paper containing starch derivatives having both anionic and cationic groups,and the product produced thereby |
| US20020155292A1 (en) * | 1996-08-23 | 2002-10-24 | Weyerhaeuser Company | Lyocell fiber from sawdust pulp |
| US6512110B1 (en) * | 1997-06-10 | 2003-01-28 | Xyrofin Oy | Process for the production of xylose from a paper-grade hardwood pulp |
| US20050022952A1 (en) * | 1997-02-28 | 2005-02-03 | Novozymes A/S | Method for producing cellulose derivatives |
| US20070000627A1 (en) * | 2005-05-24 | 2007-01-04 | Zheng Tan | Modified Kraft fibers |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8406866D0 (en) * | 1984-03-16 | 1984-04-18 | British Petroleum Co Plc | Separating cellulose and hemicellulose |
| WO1995000698A1 (en) * | 1993-06-25 | 1995-01-05 | Kamyr, Inc. | Hemicellulose recovery during kraft pulping |
| US6057438A (en) * | 1996-10-11 | 2000-05-02 | Eastman Chemical Company | Process for the co-production of dissolving-grade pulp and xylan |
| FI113060B (fi) * | 1999-07-14 | 2004-02-27 | Xyrofin Oy | Menetelmä orgaanisten yhdisteiden valmistamiseksi |
| DE10229818A1 (de) * | 2002-06-28 | 2004-01-15 | Carl Zeiss Smt Ag | Verfahren zur Fokusdetektion und Abbildungssystem mit Fokusdetektionssystem |
-
2005
- 2005-12-05 FI FI20051256A patent/FI122975B/fi not_active IP Right Cessation
-
2006
- 2006-12-05 US US12/096,203 patent/US20080295986A1/en not_active Abandoned
- 2006-12-05 BR BRPI0619442-7A patent/BRPI0619442A2/pt not_active Application Discontinuation
- 2006-12-05 WO PCT/FI2006/000406 patent/WO2007065969A1/en active Application Filing
- 2006-12-05 EP EP06830916A patent/EP1957709A1/en not_active Withdrawn
-
2011
- 2011-03-14 US US13/065,130 patent/US20110168345A1/en not_active Abandoned
Patent Citations (5)
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| US3459632A (en) * | 1965-11-17 | 1969-08-05 | Nat Starch Chem Corp | Method of making paper containing starch derivatives having both anionic and cationic groups,and the product produced thereby |
| US20020155292A1 (en) * | 1996-08-23 | 2002-10-24 | Weyerhaeuser Company | Lyocell fiber from sawdust pulp |
| US20050022952A1 (en) * | 1997-02-28 | 2005-02-03 | Novozymes A/S | Method for producing cellulose derivatives |
| US6512110B1 (en) * | 1997-06-10 | 2003-01-28 | Xyrofin Oy | Process for the production of xylose from a paper-grade hardwood pulp |
| US20070000627A1 (en) * | 2005-05-24 | 2007-01-04 | Zheng Tan | Modified Kraft fibers |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080196847A1 (en) * | 2006-12-18 | 2008-08-21 | Pieter Van Heiningen Adriaan R | Pre-extraction and solvent pulping of lignocellulosic material |
| US7842161B2 (en) * | 2006-12-18 | 2010-11-30 | The University Of Maine System Board Of Trustees | Pre-extraction and solvent pulping of lignocellulosic material |
| US20110214826A1 (en) * | 2006-12-18 | 2011-09-08 | University Of Maine System Board Of Trustees | Process of treating a lignocellulosic material |
| US8475627B2 (en) | 2006-12-18 | 2013-07-02 | University Of Maine System Board Of Trustees | Process of treating a lignocellulosic material |
| US20110088858A1 (en) * | 2009-10-16 | 2011-04-21 | Osman Polat | Fibrous structures comprising non-naturally occurring hardwood pulp fibers |
| US20120247696A1 (en) * | 2009-12-15 | 2012-10-04 | Sodra Cell Ab | Pulping process |
| US20170350072A1 (en) * | 2014-11-17 | 2017-12-07 | Novozymes A/S | Enzymatic process combined with hot caustic extraction for the removal of hemicelluloses from paper-grade pulp |
| US10584442B2 (en) * | 2014-11-17 | 2020-03-10 | Novozymes A/S | Enzymatic process combined with hot caustic extraction for the removal of hemicelluloses from paper-grade pulp |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1957709A1 (en) | 2008-08-20 |
| FI20051256A (fi) | 2007-06-06 |
| FI20051256A0 (fi) | 2005-12-05 |
| BRPI0619442A2 (pt) | 2011-10-04 |
| US20110168345A1 (en) | 2011-07-14 |
| FI122975B (fi) | 2012-09-28 |
| WO2007065969A1 (en) | 2007-06-14 |
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