NZ199697A - Delignifying lignocellulose pulp using oxygen and nitrogen dioxide treatment followed by oxygen and alkali treatment - Google Patents
Delignifying lignocellulose pulp using oxygen and nitrogen dioxide treatment followed by oxygen and alkali treatmentInfo
- Publication number
- NZ199697A NZ199697A NZ199697A NZ19969782A NZ199697A NZ 199697 A NZ199697 A NZ 199697A NZ 199697 A NZ199697 A NZ 199697A NZ 19969782 A NZ19969782 A NZ 19969782A NZ 199697 A NZ199697 A NZ 199697A
- Authority
- NZ
- New Zealand
- Prior art keywords
- oxygen gas
- pulp
- alkali
- treatment
- stage
- Prior art date
Links
- 239000003513 alkali Substances 0.000 title claims description 91
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 70
- 229910052760 oxygen Inorganic materials 0.000 title claims description 70
- 239000001301 oxygen Substances 0.000 title claims description 70
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 title description 34
- 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 title description 20
- 238000000034 method Methods 0.000 claims description 123
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 69
- 229910001882 dioxygen Inorganic materials 0.000 claims description 68
- 230000003213 activating effect Effects 0.000 claims description 45
- 229920002678 cellulose Polymers 0.000 claims description 30
- 239000001913 cellulose Substances 0.000 claims description 30
- 238000004061 bleaching Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000005406 washing Methods 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 11
- 229920005610 lignin Polymers 0.000 claims description 10
- 238000002474 experimental method Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 229920002488 Hemicellulose Polymers 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 6
- 150000001720 carbohydrates Chemical class 0.000 claims description 5
- 235000014633 carbohydrates Nutrition 0.000 claims description 5
- 238000010411 cooking Methods 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000012978 lignocellulosic material Substances 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 60
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 13
- 229910021653 sulphate ion Inorganic materials 0.000 description 13
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 6
- 235000011613 Pinus brutia Nutrition 0.000 description 6
- 241000018646 Pinus brutia Species 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 5
- WFPZPJSADLPSON-UHFFFAOYSA-N dinitrogen tetraoxide Chemical compound [O-][N+](=O)[N+]([O-])=O WFPZPJSADLPSON-UHFFFAOYSA-N 0.000 description 4
- 239000011121 hardwood Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000007430 reference method Methods 0.000 description 3
- 239000011122 softwood Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 241000218657 Picea Species 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- LZDSILRDTDCIQT-UHFFFAOYSA-N dinitrogen trioxide Chemical compound [O-][N+](=O)N=O LZDSILRDTDCIQT-UHFFFAOYSA-N 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001021 polysulfide Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 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 1
- MJVAVZPDRWSRRC-UHFFFAOYSA-N Menadione Chemical compound C1=CC=C2C(=O)C(C)=CC(=O)C2=C1 MJVAVZPDRWSRRC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- MAYPHUUCLRDEAZ-UHFFFAOYSA-N chlorine peroxide Inorganic materials ClOOCl MAYPHUUCLRDEAZ-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 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
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1068—Bleaching ; Apparatus therefor with O2
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8101815A SE425674B (sv) | 1981-03-23 | 1981-03-23 | Forfarande for delignifiering av cellulosamassa med kvevedioxid och syrgas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ199697A true NZ199697A (en) | 1986-01-24 |
Family
ID=20343394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ199697A NZ199697A (en) | 1981-03-23 | 1982-02-11 | Delignifying lignocellulose pulp using oxygen and nitrogen dioxide treatment followed by oxygen and alkali treatment |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS57161185A (enrdf_load_stackoverflow) |
| AU (1) | AU550433B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1180510A (enrdf_load_stackoverflow) |
| FR (1) | FR2502203A1 (enrdf_load_stackoverflow) |
| NZ (1) | NZ199697A (enrdf_load_stackoverflow) |
| SE (1) | SE425674B (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1505070A (en) * | 1974-06-11 | 1978-03-22 | Canadian Ind | Process for bleaching of lignocellulosic material |
| CA1070909A (en) * | 1976-05-04 | 1980-02-05 | Canadian Industries Limited | Nitrogen dioxide-oxygen delignification |
-
1981
- 1981-03-23 SE SE8101815A patent/SE425674B/sv not_active IP Right Cessation
-
1982
- 1982-02-11 NZ NZ199697A patent/NZ199697A/en unknown
- 1982-03-05 AU AU81151/82A patent/AU550433B2/en not_active Ceased
- 1982-03-08 JP JP57037131A patent/JPS57161185A/ja active Granted
- 1982-03-23 FR FR8204875A patent/FR2502203A1/fr active Granted
- 1982-03-31 CA CA000399940A patent/CA1180510A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU550433B2 (en) | 1986-03-20 |
| JPS57161185A (en) | 1982-10-04 |
| AU8115182A (en) | 1982-09-30 |
| JPS6360158B2 (enrdf_load_stackoverflow) | 1988-11-22 |
| SE8101815L (enrdf_load_stackoverflow) | 1982-09-24 |
| SE425674B (sv) | 1982-10-25 |
| FR2502203B1 (enrdf_load_stackoverflow) | 1984-11-23 |
| FR2502203A1 (fr) | 1982-09-24 |
| CA1180510A (en) | 1985-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4661205A (en) | Method of bleaching lignocellulosic material with peroxide catalyzed with a salt of a metal | |
| JP2592747B2 (ja) | リグノセルロース含有パルプの漂白方法 | |
| FI69135B (fi) | Foerfarande foer syrgasblekning av cellulosamassa | |
| EP0395792B1 (en) | Procedure for the bleaching of pulp | |
| US4897156A (en) | Process for activating cellulose pulp with NO and/or NO2 and oxygen in the presence of nitric acid and then delignifying bleaching the activated cellulose pulp | |
| US4406735A (en) | Process for alkaline oxygen gas bleaching of cellulose pulp | |
| US4002526A (en) | Oxygen-alkali delignification of low consistency wood pulp | |
| US4537656A (en) | Method for delignifying or bleaching cellulose pulp wherein chlorine is added to recycle liquor to regenerate chlorine dioxide | |
| NZ199697A (en) | Delignifying lignocellulose pulp using oxygen and nitrogen dioxide treatment followed by oxygen and alkali treatment | |
| JP3325324B2 (ja) | 粗セルロースの脱リグニン化方法 | |
| JPS6214678B2 (enrdf_load_stackoverflow) | ||
| US4295928A (en) | Phenolic compounds as viscosity preservatives during hypochlorite pulp bleaching | |
| FI70056C (fi) | Foerfarande foer delignifiering av cellulosamassa | |
| FI73017C (fi) | Foerfarande vid blekning av cellulosa. | |
| US8980051B2 (en) | Sulfonation of pulp produced by alkali pulping process | |
| NZ202296A (en) | Pretreatment of wood prior to sulphate cooking for manufacture of cellulose pulp | |
| CA2405325A1 (en) | A method for controlling the delignification and bleaching of a pulp suspension | |
| US4445969A (en) | Process for the delignifying bleaching of cellulose pulp by activating the pulp with NO2 and oxygen | |
| US4039374A (en) | Bleaching of cellulosic pulp fibers with chlorine dioxide in the presence of a vanadium compound | |
| NO159542B (no) | Fremgangsmaate ved delignifisering av cellulosemasse. | |
| JPH06220786A (ja) | パルプの漂白方法 | |
| EP0377981A2 (en) | Process for improved alkaline oxidative delignification of cellulose pulp | |
| WO1991000386A1 (en) | A method for bleaching kraft pulp with a mixture of oxygen and peroxide | |
| JPH06294087A (ja) | 漂白クラフトパルプ | |
| DE3213856A1 (de) | Verfahren zum delignifizieren eines cellulosehalbstoffes |