NZ520518A - Process to remove lignin from lignocellulose material by first treating with a oxygen containing delignifying gas before a mechanical pulping process - Google Patents
Process to remove lignin from lignocellulose material by first treating with a oxygen containing delignifying gas before a mechanical pulping processInfo
- Publication number
- NZ520518A NZ520518A NZ520518A NZ52051801A NZ520518A NZ 520518 A NZ520518 A NZ 520518A NZ 520518 A NZ520518 A NZ 520518A NZ 52051801 A NZ52051801 A NZ 52051801A NZ 520518 A NZ520518 A NZ 520518A
- Authority
- NZ
- New Zealand
- Prior art keywords
- containing material
- gas
- chlorine dioxide
- process according
- lignocellulose containing
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 66
- 230000008569 process Effects 0.000 title claims abstract description 62
- 239000000463 material Substances 0.000 title claims abstract description 48
- 238000004537 pulping Methods 0.000 title claims abstract description 26
- 229920005610 lignin Polymers 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 title description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title description 3
- 239000001301 oxygen Substances 0.000 title description 3
- 229910052760 oxygen Inorganic materials 0.000 title description 3
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 46
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 46
- 238000011282 treatment Methods 0.000 claims description 18
- 239000002023 wood Substances 0.000 claims description 18
- 229920001131 Pulp (paper) Polymers 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 6
- 238000010025 steaming Methods 0.000 claims description 5
- 238000007670 refining Methods 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000000227 grinding Methods 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000004291 sulphur dioxide Substances 0.000 description 2
- 235000010269 sulphur dioxide Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical class [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
- 229960002218 sodium chlorite Drugs 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000010875 treated wood Substances 0.000 description 1
- 239000010876 untreated wood Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 239000000080 wetting agent 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
Landscapes
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50138400A | 2000-02-09 | 2000-02-09 | |
| EP00850037A EP1130155A1 (de) | 2000-03-01 | 2000-03-01 | Aufschlussverfahren |
| PCT/SE2001/000257 WO2001059203A2 (en) | 2000-02-09 | 2001-02-08 | Pulping process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ520518A true NZ520518A (en) | 2004-02-27 |
Family
ID=26074189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ520518A NZ520518A (en) | 2000-02-09 | 2001-02-08 | Process to remove lignin from lignocellulose material by first treating with a oxygen containing delignifying gas before a mechanical pulping process |
Country Status (7)
| Country | Link |
|---|---|
| EP (2) | EP1264038A2 (de) |
| JP (2) | JP2003522844A (de) |
| AU (2) | AU779711B2 (de) |
| CA (2) | CA2399772A1 (de) |
| NO (2) | NO20023712L (de) |
| NZ (1) | NZ520518A (de) |
| WO (2) | WO2001059202A2 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8003818B2 (en) | 2004-12-23 | 2011-08-23 | Shell Oil Company | Process for the hydrogenation of a lactone or of a carboxylic acid or an ester having a gamma-carbonyl group |
| US20070034345A1 (en) * | 2005-06-15 | 2007-02-15 | Leonardus Petrus | Process for organosolv pulping and use of a gamma lactone in a solvent for organosolv pulping |
| US8580978B2 (en) | 2009-08-07 | 2013-11-12 | Shell Oil Company | Process for preparing a hydroxyacid or hydroxyester |
| CN109790162B (zh) | 2016-07-27 | 2022-06-28 | 帕德罗科治疗公司 | Pad4的共价抑制剂 |
| CN109972436A (zh) * | 2017-12-28 | 2019-07-05 | 北京小池原品科技有限公司 | 一种竹料制造生活用纸的方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB567774A (en) * | 1942-08-24 | 1945-03-02 | George Brainard Fowler | Improvements in or relating to processes of treating cellulosic raw material, and the improved cellulosic fibres resulting therefrom |
| US3591451A (en) * | 1969-02-06 | 1971-07-06 | Ethyl Corp | Pretreatment of vegetable matter and delignification of the refined matter with chloring dioxide |
| US4211605A (en) * | 1978-08-03 | 1980-07-08 | Canadian International Paper Company | High yield chemimechanical pulping processes |
| SE450393B (sv) * | 1981-10-27 | 1987-06-22 | Mo Och Domsjoe Ab | Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning |
| SU1416576A1 (ru) * | 1986-08-14 | 1988-08-15 | Ленинградская лесотехническая академия им.С.М.Кирова | Способ получени целлюлозного полуфабриката |
| SE466964B (sv) * | 1988-03-01 | 1992-05-04 | Sca Pulp Ab | Foerbehandling av flis medelst svaveldioxid vid framstaellning av sulfatmassa |
| FI85389C (fi) * | 1989-12-12 | 1992-04-10 | Enso Gutzeit Oy | Foerfarande foer tillverkning av massa. |
| SE9002039D0 (sv) * | 1990-06-07 | 1990-06-07 | Svenska Traeforskningsinst | Saett att framstaella massa |
| WO1993004231A1 (en) * | 1991-08-23 | 1993-03-04 | Olin Corporation | Process for gas phase delignifying wood pulp |
| FR2701274B1 (fr) * | 1993-02-09 | 1995-03-31 | Air Liquide | Procédé de fabrication de pâtes à papier chimicothermomécaniques blanchies (CTMP). |
-
2001
- 2001-02-08 CA CA002399772A patent/CA2399772A1/en not_active Abandoned
- 2001-02-08 EP EP01904736A patent/EP1264038A2/de not_active Withdrawn
- 2001-02-08 EP EP01904735A patent/EP1264037A2/de not_active Withdrawn
- 2001-02-08 JP JP2001558527A patent/JP2003522844A/ja active Pending
- 2001-02-08 CA CA002399723A patent/CA2399723A1/en not_active Abandoned
- 2001-02-08 WO PCT/SE2001/000256 patent/WO2001059202A2/en not_active Ceased
- 2001-02-08 NZ NZ520518A patent/NZ520518A/en not_active IP Right Cessation
- 2001-02-08 AU AU32560/01A patent/AU779711B2/en not_active Ceased
- 2001-02-08 JP JP2001558528A patent/JP2003522845A/ja active Pending
- 2001-02-08 WO PCT/SE2001/000257 patent/WO2001059203A2/en not_active Ceased
- 2001-02-08 AU AU32561/01A patent/AU778689B2/en not_active Ceased
-
2002
- 2002-08-06 NO NO20023712A patent/NO20023712L/no not_active Application Discontinuation
- 2002-08-06 NO NO20023711A patent/NO20023711L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NO20023712D0 (no) | 2002-08-06 |
| AU3256001A (en) | 2001-08-20 |
| WO2001059203A2 (en) | 2001-08-16 |
| WO2001059202A2 (en) | 2001-08-16 |
| EP1264037A2 (de) | 2002-12-11 |
| EP1264038A2 (de) | 2002-12-11 |
| AU3256101A (en) | 2001-08-20 |
| CA2399772A1 (en) | 2001-08-16 |
| CA2399723A1 (en) | 2001-08-16 |
| NO20023711D0 (no) | 2002-08-06 |
| JP2003522845A (ja) | 2003-07-29 |
| AU778689B2 (en) | 2004-12-16 |
| NO20023711L (no) | 2002-10-04 |
| AU779711B2 (en) | 2005-02-10 |
| WO2001059203A3 (en) | 2002-01-03 |
| WO2001059202A3 (en) | 2002-01-03 |
| JP2003522844A (ja) | 2003-07-29 |
| NO20023712L (no) | 2002-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PSEA | Patent sealed | ||
| RENW | Renewal (renewal fees accepted) | ||
| RENW | Renewal (renewal fees accepted) | ||
| RENW | Renewal (renewal fees accepted) | ||
| LAPS | Patent lapsed |